CN114420058B - Backlight adjusting method and device, electronic equipment and storage medium - Google Patents
Backlight adjusting method and device, electronic equipment and storage medium Download PDFInfo
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- CN114420058B CN114420058B CN202111645472.9A CN202111645472A CN114420058B CN 114420058 B CN114420058 B CN 114420058B CN 202111645472 A CN202111645472 A CN 202111645472A CN 114420058 B CN114420058 B CN 114420058B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
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- G09G3/3413—Details of control of colour illumination sources
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Abstract
The embodiment of the invention provides a backlight adjusting method, a backlight adjusting device, electronic equipment and a storage medium. The method comprises the following steps: monitoring a backlight adjustment event, determining a target display device according to the backlight adjustment event, generating a backlight adjustment request for the target display device, determining a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request in the process of driving and processing the backlight adjustment request by the display device, executing the backlight brightness register modification operation, transmitting the adjusted backlight brightness to an embedded controller through a backlight brightness register, and adjusting the target display device to the adjusted backlight brightness, so that the backlight brightness adjustment methods respectively realized by different manufacturers are avoided by configuring the backlight brightness register modification operation in the unified firmware interface, and the same type of backlight brightness register modification operation is adapted to different types of display devices.
Description
Technical Field
The present invention relates to the field of computer technology, and in particular, to a backlight adjusting method, a backlight adjusting device, an electronic device, and a readable storage medium.
Background
Backlight is a form of illumination in the electronics industry, commonly used on LCD (Liquid Crystal Display ) displays. The backlight type is different from the front light type in that the backlight is irradiated from the side or from the back, and the front light is irradiated from the front as the name implies. They are used to increase illuminance in low light environments and brightness on computer displays, liquid crystal screens.
The computer device has a display device such as a liquid crystal screen. A user can quickly control the backlight brightness of the display device through the hot keys of the keyboard.
In the prior art, different computer manufacturers have different designs for the backlight brightness adjusting methods of the computer products, and the same computer manufacturer also has different designs for the backlight brightness adjusting methods of different series of products. For different backlight brightness adjustment methods, new driving codes are required to be added or existing driving codes are required to be modified, and a specific backlight brightness adjustment method is realized in driving and registered in an operating system. The differentiated design of the backlight brightness adjusting method reduces the compatibility of the backlight brightness adjusting software, so that the backlight brightness adjusting software cannot adapt to more hardware, and is not beneficial to the maintenance of the backlight brightness adjusting software.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a backlight adjusting method, a device, an electronic apparatus, and a readable storage medium, so as to solve the problems that the compatibility of backlight brightness adjusting software is reduced, the backlight brightness adjusting software cannot adapt to more hardware, and the maintenance of the backlight brightness adjusting software is not facilitated.
In order to solve the above problems, the present invention provides a backlight adjusting method, comprising:
monitoring for backlight adjustment events;
determining a corresponding target display device according to the backlight adjustment event, and generating a backlight adjustment request for the target display device;
in the process of processing the backlight adjustment request by the display device drive of the target display device, determining a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request;
and executing the backlight brightness register modification operation to transmit the adjusted backlight brightness to an embedded controller through a backlight brightness register so that the embedded controller can adjust the target display device to the adjusted backlight brightness.
Optionally, the determining, according to the backlight adjustment request, a backlight brightness register modification operation provided by a unified firmware interface includes:
searching a backlight brightness register modification operation corresponding to the backlight adjustment request in a plurality of operations provided by the unified firmware interface;
according to the backlight adjustment request, determining an adjustment amount corresponding to the backlight brightness register modification operation;
the performing the backlight brightness register modification operation includes;
determining the adjusted backlight brightness according to the adjustment quantity;
and writing the adjusted backlight brightness into the backlight brightness register.
Optionally, the searching for the backlight brightness register modification operation corresponding to the backlight adjustment request in the multiple operations provided by the unified firmware interface includes:
searching target identification information and target memory address information corresponding to the backlight adjustment request in the identification information and the memory address information of a plurality of operations provided by the unified firmware interface;
and acquiring an executable program of the backlight brightness register modification operation according to the target memory address information.
Optionally, before the monitoring backlight adjustment event, the method further comprises:
Storing an executable program of the backlight brightness register modification operation into a globally accessible memory in the initialization process of the unified firmware interface, and generating target identification information and target memory address information of the backlight brightness register modification operation;
in the starting process of the operating system, acquiring identification information and memory address information of a plurality of operations provided by the unified firmware interface, wherein the operations comprise related operations aiming at the backlight brightness register, and the related operations aiming at the backlight brightness register comprise modification operations of the backlight brightness register;
and registering the target display device in the starting process of the operating system, and registering the related operation aiming at the backlight brightness register to the operating system so as to trigger the backlight brightness register to modify operation after the operating system monitors the backlight adjusting event.
Optionally, before determining, in the process of processing the backlight adjustment request in the display device driving of the target display device, a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request, the method further includes:
And sending the backlight adjustment request to the display device driver corresponding to the target display device through the equipment manager under the operating system.
The invention also provides a backlight adjusting device, which comprises:
the event monitoring module is used for monitoring backlight adjustment events;
the request generation module is used for determining a corresponding target display device according to the backlight adjustment event and generating a backlight adjustment request aiming at the target display device;
the operation determining module is used for determining backlight brightness register modification operation provided by the unified firmware interface according to the backlight adjustment request in the process of driving and processing the backlight adjustment request by the display device of the target display device;
and the operation execution module is used for executing the backlight brightness register modification operation so as to transmit the adjusted backlight brightness to the embedded controller through the backlight brightness register, so that the embedded controller can adjust the target display device to the adjusted backlight brightness.
Optionally, the operation determining module includes:
the operation searching sub-module is used for searching a backlight brightness register modification operation corresponding to the backlight adjustment request in a plurality of operations provided by the unified firmware interface;
The adjustment quantity determining submodule is used for determining the adjustment quantity corresponding to the modification operation of the backlight brightness register according to the backlight adjustment request;
the operation execution module comprises;
the brightness determination submodule is used for determining the adjusted backlight brightness according to the adjustment quantity;
and the brightness writing sub-module is used for writing the adjusted backlight brightness into the backlight brightness register.
Optionally, the operation searching submodule includes:
the information searching unit is used for searching target identification information and target memory address information corresponding to the backlight adjustment request in the identification information and the memory address information of a plurality of operations provided by the unified firmware interface;
and the program acquisition unit is used for acquiring an executable program of the backlight brightness register modification operation according to the target memory address information.
Optionally, the apparatus further comprises:
the information generation module is used for storing an executable program of the backlight brightness register modification operation into a globally accessible memory in the initialization process of the unified firmware interface before the monitoring backlight adjustment event, and generating target identification information and target memory address information of the backlight brightness register modification operation;
The information acquisition module is used for acquiring identification information and memory address information of a plurality of operations provided by the unified firmware interface in the starting process of the operating system, wherein the operations comprise related operations aiming at the backlight brightness register, and the related operations aiming at the backlight brightness register comprise modification operations of the backlight brightness register;
and the registration module is used for registering the target display device in the starting process of the operating system and registering the related operation aiming at the backlight brightness register to the operating system so as to trigger the backlight brightness register to modify operation after the operating system monitors the backlight adjusting event.
Optionally, the apparatus further comprises:
and the request sending module is used for sending the backlight adjustment request to the display device driver corresponding to the target display device through the equipment manager under the operating system before determining the backlight brightness register modification operation provided by the unified firmware interface according to the backlight adjustment request in the process of processing the backlight adjustment request by the display device driver of the target display device.
The embodiment of the invention also discloses an electronic device which is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory are communicated with each other through the communication bus;
a memory for storing a computer program;
and a processor for performing the method steps described above when executing the program stored on the memory.
The embodiment of the invention also discloses a readable storage medium, which enables the electronic device to execute one or more of the methods in the embodiment of the invention when the instructions in the storage medium are executed by the processor of the electronic device.
According to the embodiment of the invention, by monitoring the backlight adjusting event, determining the corresponding target display device according to the backlight adjusting event, generating the backlight adjusting request aiming at the target display device, determining the backlight brightness register modifying operation provided by the unified firmware interface according to the backlight adjusting request in the process of driving and processing the backlight adjusting request by the display device of the target display device, executing the backlight brightness register modifying operation, transmitting the adjusted backlight brightness to the embedded controller through the backlight brightness register, so that the embedded controller adjusts the target display device to the adjusted backlight brightness, and the backlight brightness adjusting methods respectively realized in the display device driving by different manufacturers are avoided by configuring the backlight brightness register modifying operation in the unified firmware interface, thereby using the same type of backlight brightness register modifying operation to adapt to different types of display devices, improving the compatibility of the backlight brightness adjusting method and bringing convenience to the maintenance work of the backlight brightness adjusting method.
Drawings
FIG. 1 is a flow chart showing the steps of a backlight adjustment method according to an embodiment of the present invention;
FIG. 2 is a flowchart showing steps of a backlight adjustment method according to another embodiment of the present invention;
FIG. 3 shows a schematic diagram of a backlight adjustment flow;
FIG. 4 shows a block diagram of an embodiment of a backlight adjustment device according to an embodiment of the present invention;
fig. 5 shows a block diagram of an electronic device for backlight adjustment, according to an example embodiment.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1, a step flowchart of a backlight adjustment method provided by an embodiment of the present invention may specifically include the following steps:
step 101, a backlight adjustment event is monitored.
In the embodiment of the invention, the electronic equipment such as a computer, a mobile phone and the like is provided with a display device, such as a liquid crystal display. The backlight is the backlight of the display device, and the operating system generally controls the brightness of the backlight of the display device. The embodiment of the invention is suitable for hardware design of controlling the brightness of the backlight by the embedded controller.
In an embodiment of the present invention, backlight adjustment events include events corresponding to backlight brightness adjustment from a user (e.g., mouse, keyboard events, etc.), from hardware (e.g., ambient brightness sensor events, etc.), and from software (e.g., operating system, application itself, etc.). Typically the operating system will have specialized system services responsible for monitoring backlight adjustment events. The backlight adjustment event may be an event that increases the backlight brightness, or may be an event that decreases the backlight brightness.
For example, a user activates a hot key on the keyboard for adjusting backlight brightness, and an input event subsystem in the kernel of the operating system reports backlight adjustment events to a specialized system service.
Step 102, determining a corresponding target display device according to the backlight adjustment event, and generating a backlight adjustment request for the target display device.
In an embodiment of the present invention, the operating system uses one or more display devices simultaneously, wherein the default display device is designated as the target display device. And responding to the backlight adjustment event, detecting the target display device, and if the target display device is found, determining the target display device corresponding to the backlight adjustment event. And then generating a corresponding backlight adjustment request according to the backlight adjustment event.
Step 103, determining a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request in the process of processing the backlight adjustment request by the display device drive of the target display device.
In the embodiment of the present invention, in the operating system, the display device drive of the target display device is a special program that can cause the computer and the target display device to communicate with each other. The interface corresponds to the interface of the target display device, and the operating system can control the operation of the target display device only through the interface. In the operating system, the backlight adjustment request will ultimately be passed to the display device driver for processing.
In the embodiment of the invention, in the process of driving and processing the backlight adjustment request by the display device, the backlight adjustment method respectively designed by each manufacturer is not adopted, and the backlight brightness register modification operation provided by the unified firmware interface is determined according to the backlight adjustment request.
The unified firmware interface is an interface for providing connection between an operating system and hardware. Such as BIOS (Basic Input Output System ), UEFI (Unified Extensible Firmware Interface, unified extensible firmware interface), etc., or any other suitable unified firmware interface, as embodiments of the invention are not limited in this respect.
In the embodiment of the invention, in the unified firmware interface, the backlight brightness register modifying operation is defined, the specific operation is defined by the unified firmware interface, and the operating system is only responsible for calling. The unified firmware interface provides backlight brightness register modification operation for the operating system in advance. In the process of processing backlight adjustment requests by the display device driver, backlight brightness register modification operation provided by the unified firmware interface is determined according to the backlight adjustment requests.
In the embodiment of the present invention, the backlight brightness register modifying operation may be implemented as an executable program for both increasing and decreasing the backlight brightness. In particular, the amount of adjustment of the backlight brightness is transferred to the executable program.
Step 104, executing the backlight brightness register modification operation to transmit the adjusted backlight brightness to an embedded controller through a backlight brightness register, so that the embedded controller can adjust the target display device to the adjusted backlight brightness.
In the embodiment of the invention, the operating system executes the modification operation of the backlight brightness register, modifies the backlight brightness register, and writes the adjusted backlight brightness into the backlight brightness register. For example, the backlight luminance register modification operation includes a series of operations: the method comprises the steps of firstly reading a current value of a backlight brightness register, then increasing or decreasing the current value according to a backlight adjustment request, obtaining adjusted backlight brightness after increasing or decreasing, then judging whether the adjusted backlight brightness is between the maximum backlight brightness and the minimum backlight brightness, if so, writing the adjusted backlight brightness into the backlight brightness register. The amount of increase or decrease may be set according to actual needs, which is not limited in the embodiment of the present invention.
In an embodiment of the present invention, an Embedded Controller (EC) adjusts the backlight brightness of a target display device by reading a value in a backlight brightness register. The value in the backlight brightness register is modified to the adjusted backlight brightness, thereby enabling the adjusted backlight brightness to be transferred to the embedded controller. The embedded controller adjusts the target display device to the adjusted backlight brightness according to the hardware control mode of the target display device, and the specific adjustment mode of the embedded controller is not limited in this embodiment of the invention.
According to the embodiment of the invention, by monitoring the backlight adjusting event, determining the corresponding target display device according to the backlight adjusting event, generating the backlight adjusting request aiming at the target display device, determining the backlight brightness register modifying operation provided by the unified firmware interface according to the backlight adjusting request in the process of driving and processing the backlight adjusting request by the display device of the target display device, executing the backlight brightness register modifying operation, transmitting the adjusted backlight brightness to the embedded controller through the backlight brightness register, so that the embedded controller adjusts the target display device to the adjusted backlight brightness, and the backlight brightness adjusting methods respectively realized in the display device driving by different manufacturers are avoided by configuring the backlight brightness register modifying operation in the unified firmware interface, thereby using the same type of backlight brightness register modifying operation to adapt to different types of display devices, improving the compatibility of the backlight brightness adjusting method and bringing convenience to the maintenance work of the backlight brightness adjusting method.
Referring to fig. 2, a step flowchart of a backlight adjusting method provided by an embodiment of the present invention may specifically include the following steps:
in step 201, a backlight adjustment event is monitored.
In the embodiments of the present invention, the specific implementation manner of this step may be referred to the description in the foregoing embodiments, which is not repeated herein.
Step 202, determining a corresponding target display device according to the backlight adjustment event, and generating a backlight adjustment request for the target display device.
In the embodiments of the present invention, the specific implementation manner of this step may be referred to the description in the foregoing embodiments, which is not repeated herein.
In an optional embodiment of the invention, before determining, in the process of processing the backlight adjustment request by the display device driver of the target display device, a backlight brightness register modification operation provided by the unified firmware interface according to the backlight adjustment request, the method may further include: and sending the backlight adjustment request to the display device driver corresponding to the target display device through the equipment manager under the operating system.
The device manager is software that manages the device nodes under the device directory. For example, udev is a Linux kernel family of device managers. After the special system service of the operating system monitors the backlight adjustment event, the backlight adjustment event is reported to the device manager. The device manager then finds the target display device and sends the backlight adjustment request to the display device driver corresponding to the target display device.
In step 203, during the process of processing the backlight adjustment request by the display device driver of the target display device, among a plurality of operations provided by the unified firmware interface, a backlight brightness register modification operation corresponding to the backlight adjustment request is searched.
In embodiments of the present invention, the operating system may invoke a plurality of operations provided by the unified firmware interface. Among the operations, a backlight brightness register modification operation corresponding to the backlight adjustment request is searched. For example, the identifier carried by the backlight adjustment request is found in the identifiers of the list of the plurality of operations provided by the unified firmware interface.
In an optional embodiment of the present invention, in one implementation manner of searching for a backlight brightness register modification operation corresponding to the backlight adjustment request among a plurality of operations provided by the unified firmware interface, the method may include: searching target identification information and target memory address information corresponding to the backlight adjustment request in the identification information and the memory address information of a plurality of operations provided by the unified firmware interface; and acquiring an executable program of the backlight brightness register modification operation according to the target memory address information.
The operating system records the identification information and the memory address information of a plurality of operations provided by the unified firmware interface. Wherein the identification information refers to information for identifying a plurality of operations. The memory address information refers to information for determining an address of an executable program storing a plurality of operations in a memory. And searching corresponding target identification information and target memory address information according to the backlight adjustment request. For example, the backlight adjustment request carries the target identification information, and then the target identification information and the target memory address information are searched in the operating system.
Based on the target memory address information, an address may be determined at which an executable program of the backlight brightness register modification operation is stored in the memory. And acquiring an executable program of the backlight brightness register modification operation from a position corresponding to the target memory address information in the memory.
In an alternative embodiment of the present invention, before the monitoring of the backlight adjustment event, the method may further include: storing an executable program of the backlight brightness register modification operation into a globally accessible memory in the initialization process of the unified firmware interface, and generating target identification information and target memory address information of the backlight brightness register modification operation; in the starting process of the operating system, acquiring identification information and memory address information of a plurality of operations provided by the unified firmware interface, wherein the operations comprise related operations aiming at the backlight brightness register, and the related operations aiming at the backlight brightness register comprise modification operations of the backlight brightness register; and registering the target display device in the starting process of the operating system, and registering the related operation aiming at the backlight brightness register to the operating system so as to trigger the backlight brightness register to modify operation after the operating system monitors the backlight adjusting event.
The operations provided by the unified firmware interface include related operations for the backlight brightness register, including backlight brightness register modification operations, and may also include operations of reading the value of the backlight brightness register, and obtaining the maximum and minimum values of the backlight brightness register, etc.
After the power-on is started, an initialization process of the unified firmware interface is performed first, and in the process, an executable program for modifying the backlight brightness register is stored in a globally accessible memory, so that an operating system can acquire the executable program from the memory location. And generating target identification information and target memory address information of the backlight brightness register modification operation.
And then in the starting process of the operating system, acquiring the identification information and the memory address information of a plurality of operations provided by the unified firmware interface, thereby providing the backlight brightness register modifying operation for the operating system.
During the start-up of the operating system, the operating system kernel may require that each device present report to the bus, or register, and that a driver present also report to the bus, or register. At the time of operating system initialization, the target display device is scanned and connected. Each time the operating system registers a target display device, it will find a display device driver that matches it. The relevant operation for the backlight brightness register is then registered with the operating system, in particular with the display device driver, so that the operating system knows that the display device driver will trigger the backlight brightness register modification operation upon monitoring the backlight adjustment event.
Step 204, in the process of driving and processing the backlight adjustment request by the display device of the target display device, determining an adjustment amount corresponding to the modification operation of the backlight brightness register according to the backlight adjustment request.
In the embodiment of the invention, the adjustment amount corresponding to the modification operation of the backlight brightness register is determined according to the backlight adjustment request. The adjustment amount may be positive or negative, and the adjustment amount may be determined by a setting corresponding to a hot key on the keyboard, for example, hot key F1 corresponds to +10% and hot key F2 corresponds to-10%. For example, the backlight adjustment request is parsed to obtain an adjustment amount therein. The adjustment amount of the backlight adjustment request is generated based on the backlight adjustment event.
Step 205, determining the adjusted backlight brightness according to the adjustment amount.
In the embodiment of the invention, the current value in the backlight brightness register is acquired first, and then the adjusted backlight brightness can be calculated by combining the adjustment quantity. And then judging whether the adjusted backlight brightness is between the maximum backlight brightness and the minimum backlight brightness, if so, determining the adjusted backlight brightness.
And 206, writing the adjusted backlight brightness into the backlight brightness register to transmit the adjusted backlight brightness to an embedded controller through the backlight brightness register so that the embedded controller can adjust the target display device to the adjusted backlight brightness.
In the embodiment of the invention, the backlight brightness register modification operation provided by the unified firmware interface is called, and the adjusted backlight brightness is written into the backlight brightness register.
For example, a schematic diagram of a backlight brightness adjustment flow is shown in fig. 3. The user activates a hotkey that adjusts the backlight brightness. In the kernel mode of the OS (operating system), the input event subsystem reports backlight adjustment events. In the user state of the OS (operating system), a special system service monitors backlight adjustment events and determines the corresponding target display device. The system service generates a backlight adjustment request based on the backlight adjustment event, and passes the backlight adjustment request to udev (device manager) in the user state of the OS. The Udev delivers the backlight adjustment request to the display device driver of the target display device in the kernel mode of the OS. The display device driver determines a backlight brightness register modification operation provided by the BIOS according to the backlight adjustment request. The backlight brightness register modification operation provided by the BIOS is registered with the display device driver of the operating system in advance. And executing the modification operation of the backlight brightness register so that the EC controller can adjust the backlight brightness according to the median operation hardware of the backlight brightness register.
According to the embodiment of the invention, by monitoring the backlight adjustment event, determining the corresponding target display device according to the backlight adjustment event, generating the backlight adjustment request for the target display device, searching the backlight brightness register modification operation corresponding to the backlight adjustment request in a plurality of operations provided by the unified firmware interface in the process of driving and processing the backlight adjustment request by the display device of the target display device, determining the adjustment quantity corresponding to the backlight brightness register modification operation according to the backlight adjustment request, determining the adjusted backlight brightness according to the adjustment quantity, writing the adjusted backlight brightness into the backlight brightness register to transmit the adjusted backlight brightness to the embedded controller through the backlight brightness register, so that the embedded controller adjusts the target display device to the adjusted backlight brightness, and the method for modifying the backlight brightness of a backlight device by using the same type of backlight brightness register is avoided by configuring the brightness register modification operation in the unified firmware interface in the process of driving and processing the backlight adjustment request by different manufacturers, thereby improving the operation of the backlight brightness of the backlight device to have the same type and the compatibility.
It should be noted that, for simplicity of description, the method embodiments are shown as a series of acts, but it should be understood by those skilled in the art that the embodiments are not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred embodiments, and that the acts are not necessarily required by the embodiments of the invention.
Referring to fig. 4, a block diagram of an embodiment of a backlight adjusting device according to another embodiment of the present invention is shown, which may specifically include the following modules:
an event monitoring module 301, configured to monitor a backlight adjustment event;
a request generation module 302, configured to determine a corresponding target display device according to the backlight adjustment event, and generate a backlight adjustment request for the target display device;
an operation determining module 303, configured to determine, according to the backlight adjustment request, a backlight brightness register modification operation provided by a unified firmware interface in a process of processing the backlight adjustment request by a display device driver of the target display device;
The operation execution module 304 is configured to execute the backlight brightness register modification operation, so as to transmit the adjusted backlight brightness to an embedded controller through the backlight brightness register, so that the embedded controller adjusts the target display device to the adjusted backlight brightness.
In an alternative embodiment of the present invention, the operation determining module includes:
the operation searching sub-module is used for searching a backlight brightness register modification operation corresponding to the backlight adjustment request in a plurality of operations provided by the unified firmware interface;
the adjustment quantity determining submodule is used for determining the adjustment quantity corresponding to the modification operation of the backlight brightness register according to the backlight adjustment request;
the operation execution module comprises;
the brightness determination submodule is used for determining the adjusted backlight brightness according to the adjustment quantity;
and the brightness writing sub-module is used for writing the adjusted backlight brightness into the backlight brightness register.
In an alternative embodiment of the invention, the operation searching sub-module comprises:
the information searching unit is used for searching target identification information and target memory address information corresponding to the backlight adjustment request in the identification information and the memory address information of a plurality of operations provided by the unified firmware interface;
And the program acquisition unit is used for acquiring an executable program of the backlight brightness register modification operation according to the target memory address information.
In an alternative embodiment of the invention, the apparatus further comprises:
the information generation module is used for storing an executable program of the backlight brightness register modification operation into a globally accessible memory in the initialization process of the unified firmware interface before the monitoring backlight adjustment event, and generating target identification information and target memory address information of the backlight brightness register modification operation;
the information acquisition module is used for acquiring identification information and memory address information of a plurality of operations provided by the unified firmware interface in the starting process of the operating system, wherein the operations comprise related operations aiming at the backlight brightness register, and the related operations aiming at the backlight brightness register comprise modification operations of the backlight brightness register;
and the registration module is used for registering the target display device in the starting process of the operating system and registering the related operation aiming at the backlight brightness register to the operating system so as to trigger the backlight brightness register to modify operation after the operating system monitors the backlight adjusting event.
In an alternative embodiment of the invention, the apparatus further comprises:
and the request sending module is used for sending the backlight adjustment request to the display device driver corresponding to the target display device through the equipment manager under the operating system before determining the backlight brightness register modification operation provided by the unified firmware interface according to the backlight adjustment request in the process of processing the backlight adjustment request by the display device driver of the target display device.
According to the embodiment of the invention, by monitoring the backlight adjusting event, determining the corresponding target display device according to the backlight adjusting event, generating the backlight adjusting request aiming at the target display device, determining the backlight brightness register modifying operation provided by the unified firmware interface according to the backlight adjusting request in the process of driving and processing the backlight adjusting request by the display device of the target display device, executing the backlight brightness register modifying operation, transmitting the adjusted backlight brightness to the embedded controller through the backlight brightness register, so that the embedded controller adjusts the target display device to the adjusted backlight brightness, and the backlight brightness adjusting methods respectively realized in the display device driving by different manufacturers are avoided by configuring the backlight brightness register modifying operation in the unified firmware interface, thereby using the same type of backlight brightness register modifying operation to adapt to different types of display devices, improving the compatibility of the backlight brightness adjusting method and bringing convenience to the maintenance work of the backlight brightness adjusting method.
For the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
Fig. 5 is a block diagram illustrating a configuration of an electronic device 700 for backlight adjustment, according to an example embodiment. For example, the electronic device 700 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, exercise device, personal digital assistant, or the like.
Referring to fig. 5, an electronic device 700 may include one or more of the following components: a processing component 702, a memory 704, a power component 706, a multimedia component 708, an audio component 710, an input/output (I/O) interface 712, a sensor component 714, and a communication component 716.
The processing component 702 generally controls overall operation of the electronic device 700, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing element 702 may include one or more processors 720 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 702 can include one or more modules that facilitate interaction between the processing component 702 and other components. For example, the processing component 702 may include a multimedia module to facilitate interaction between the multimedia component 708 and the processing component 702.
Memory 704 is configured to store various types of data to support operations at device 700. Examples of such data include instructions for any application or method operating on the electronic device 700, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 704 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
The power component 704 provides power to the various components of the electronic device 700. Power component 704 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for electronic device 700.
The multimedia component 708 includes a screen between the electronic device 700 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 708 includes a front-facing camera and/or a rear-facing camera. When the electronic device 700 is in an operational mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
The audio component 710 is configured to output and/or input audio signals. For example, the audio component 710 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 700 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 704 or transmitted via the communication component 716. In some embodiments, the audio component 710 further includes a speaker for outputting audio signals.
The I/O interface 712 provides an interface between the processing component 702 and peripheral interface modules, which may be a keyboard, click wheel, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.
The sensor assembly 714 includes one or more sensors for providing status assessment of various aspects of the electronic device 700. For example, the sensor assembly 714 may detect an on/off state of the device 700, a relative positioning of the components, such as a display and keypad of the electronic device 700, a change in position of the electronic device 700 or a component of the electronic device 700, the presence or absence of a user's contact with the electronic device 700, an orientation or acceleration/deceleration of the electronic device 700, and a change in temperature of the electronic device 700. The sensor assembly 714 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 714 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 714 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 716 is configured to facilitate communication between the electronic device 700 and other devices, either wired or wireless. The electronic device 700 may access a wireless network based on a communication standard, such as WiFi,2G, or 3G, or a combination thereof. In one exemplary embodiment, the communication part 714 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 714 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the electronic device 700 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as memory 704, including instructions executable by processor 720 of electronic device 700 to perform the above-described method. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
A non-transitory computer readable storage medium, which when executed by a processor of a terminal, enables the terminal to perform a backlight adjustment method, the method comprising:
monitoring for backlight adjustment events;
determining a corresponding target display device according to the backlight adjustment event, and generating a backlight adjustment request for the target display device;
in the process of processing the backlight adjustment request by the display device drive of the target display device, determining a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request;
and executing the backlight brightness register modification operation to transmit the adjusted backlight brightness to an embedded controller through a backlight brightness register so that the embedded controller can adjust the target display device to the adjusted backlight brightness.
Optionally, the determining, according to the backlight adjustment request, a backlight brightness register modification operation provided by a unified firmware interface includes:
searching a backlight brightness register modification operation corresponding to the backlight adjustment request in a plurality of operations provided by the unified firmware interface;
According to the backlight adjustment request, determining an adjustment amount corresponding to the backlight brightness register modification operation;
the performing the backlight brightness register modification operation includes;
determining the adjusted backlight brightness according to the adjustment quantity;
and writing the adjusted backlight brightness into the backlight brightness register.
Optionally, the searching for the backlight brightness register modification operation corresponding to the backlight adjustment request in the multiple operations provided by the unified firmware interface includes:
searching target identification information and target memory address information corresponding to the backlight adjustment request in the identification information and the memory address information of a plurality of operations provided by the unified firmware interface;
and acquiring an executable program of the backlight brightness register modification operation according to the target memory address information.
Optionally, before the monitoring backlight adjustment event, the method further comprises:
storing an executable program of the backlight brightness register modification operation into a globally accessible memory in the initialization process of the unified firmware interface, and generating target identification information and target memory address information of the backlight brightness register modification operation;
In the starting process of the operating system, acquiring identification information and memory address information of a plurality of operations provided by the unified firmware interface, wherein the operations comprise related operations aiming at the backlight brightness register, and the related operations aiming at the backlight brightness register comprise modification operations of the backlight brightness register;
and registering the target display device in the starting process of the operating system, and registering the related operation aiming at the backlight brightness register to the operating system so as to trigger the backlight brightness register to modify operation after the operating system monitors the backlight adjusting event.
Optionally, before determining, in the process of processing the backlight adjustment request in the display device driving of the target display device, a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request, the method further includes:
and sending the backlight adjustment request to the display device driver corresponding to the target display device through the equipment manager under the operating system.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It will be apparent to those skilled in the art that embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the invention may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The above description of a backlight adjusting method, a backlight adjusting device, an electronic device, and a readable storage medium provided by the present invention applies specific examples to illustrate the principles and embodiments of the present invention, and the above examples are only used to help understand the method and core idea of the present invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (10)
1. A backlight adjustment method, comprising:
monitoring for backlight adjustment events; the backlight adjustment event includes: an event of turning up the backlight brightness or an event of turning down the backlight brightness;
determining a corresponding target display device according to the backlight adjustment event, and generating a backlight adjustment request for the target display device;
in the process of processing the backlight adjustment request by the display device drive of the target display device, determining a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request;
and executing the backlight brightness register modification operation to transmit the adjusted backlight brightness to an embedded controller through a backlight brightness register so that the embedded controller can adjust the target display device to the adjusted backlight brightness.
2. The method of claim 1, wherein determining a backlight brightness register modification operation provided by a unified firmware interface in accordance with the backlight adjustment request comprises:
searching a backlight brightness register modification operation corresponding to the backlight adjustment request in a plurality of operations provided by the unified firmware interface;
According to the backlight adjustment request, determining an adjustment amount corresponding to the backlight brightness register modification operation;
the performing the backlight brightness register modification operation includes;
determining the adjusted backlight brightness according to the adjustment quantity;
and writing the adjusted backlight brightness into the backlight brightness register.
3. The method of claim 2, wherein the searching for a backlight brightness register modification operation corresponding to the backlight adjustment request from among the plurality of operations provided by the unified firmware interface comprises:
searching target identification information and target memory address information corresponding to the backlight adjustment request in the identification information and the memory address information of a plurality of operations provided by the unified firmware interface;
and acquiring an executable program of the backlight brightness register modification operation according to the target memory address information.
4. The method of claim 3, wherein prior to the monitoring backlight adjustment event, the method further comprises:
storing an executable program of the backlight brightness register modification operation into a globally accessible memory in the initialization process of the unified firmware interface, and generating target identification information and target memory address information of the backlight brightness register modification operation;
In the starting process of an operating system, acquiring identification information and memory address information of a plurality of operations provided by the unified firmware interface, wherein the operations comprise related operations aiming at the backlight brightness register, and the related operations aiming at the backlight brightness register comprise modification operations of the backlight brightness register;
and registering the target display device in the starting process of the operating system, and registering the related operation aiming at the backlight brightness register to the operating system so as to trigger the backlight brightness register to modify operation after the operating system monitors the backlight adjusting event.
5. The method of claim 1, wherein prior to determining a backlight brightness register modification operation provided by a unified firmware interface in accordance with the backlight adjustment request during the processing of the backlight adjustment request at the display device driver of the target display device, the method further comprises:
and sending the backlight adjustment request to the display device driver corresponding to the target display device through a device manager under an operating system.
6. A backlight adjusting apparatus, comprising:
The event monitoring module is used for monitoring backlight adjustment events; the backlight adjustment event includes: an event of turning up the backlight brightness or an event of turning down the backlight brightness;
the request generation module is used for determining a corresponding target display device according to the backlight adjustment event and generating a backlight adjustment request aiming at the target display device;
the operation determining module is used for determining backlight brightness register modification operation provided by the unified firmware interface according to the backlight adjustment request in the process of driving and processing the backlight adjustment request by the display device of the target display device;
and the operation execution module is used for executing the backlight brightness register modification operation so as to transmit the adjusted backlight brightness to the embedded controller through the backlight brightness register, so that the embedded controller can adjust the target display device to the adjusted backlight brightness.
7. The apparatus of claim 6, wherein the operation determination module comprises:
the operation searching sub-module is used for searching a backlight brightness register modification operation corresponding to the backlight adjustment request in a plurality of operations provided by the unified firmware interface;
The adjustment quantity determining submodule is used for determining the adjustment quantity corresponding to the modification operation of the backlight brightness register according to the backlight adjustment request;
the operation execution module comprises;
the brightness determination submodule is used for determining the adjusted backlight brightness according to the adjustment quantity;
and the brightness writing sub-module is used for writing the adjusted backlight brightness into the backlight brightness register.
8. The apparatus of claim 6, wherein the apparatus further comprises:
and the request sending module is used for sending the backlight adjustment request to the display device driver corresponding to the target display device through a device manager under an operating system before determining the backlight brightness register modification operation provided by the unified firmware interface according to the backlight adjustment request in the process of processing the backlight adjustment request by the display device driver of the target display device.
9. The electronic equipment is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory are communicated with each other through the communication bus;
a memory for storing a computer program;
A processor for carrying out the method steps of any one of claims 1-5 when executing a program stored on a memory.
10. A readable storage medium, characterized in that instructions in the storage medium, when executed by a processor of an electronic device, enable the electronic device to perform a backlight adjustment method according to one or more of the method claims 1-5.
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| US20050057484A1 (en) * | 2003-09-15 | 2005-03-17 | Diefenbaugh Paul S. | Automatic image luminance control with backlight adjustment |
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| CN201199428Y (en) * | 2008-01-28 | 2009-02-25 | 深圳华北工控股份有限公司 | Backlight control device for liquid crystal display screen of computer |
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