CN114420058A - 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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- 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
- G09G3/3406—Control of illumination source
- G09G3/3413—Details of control of colour illumination sources
Abstract
The embodiment of the invention provides a backlight adjusting method and 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, adjusting the target display device to the adjusted backlight brightness, and avoiding dependence on backlight brightness adjustment methods respectively realized by different manufacturers by configuring the backlight brightness register modification operation in the unified firmware interface, thereby enabling the same backlight brightness register modification operation to be adapted to display devices of different models.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a backlight adjusting method, a backlight adjusting apparatus, an electronic device, and a readable storage medium.
Background
Backlight is a form of illumination used in the electronics industry, and is commonly used in LCD (Liquid Crystal Display) displays. The backlight type is different from the front type in that the backlight is irradiated from the side or the back, and the front light is irradiated from the front as the name suggests. They are used to increase illumination 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. The user can quickly realize the control of 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 backlight brightness adjusting methods of their computer products, and the same computer manufacturer has different designs for backlight brightness adjusting methods of its different series of products. For different backlight brightness adjusting methods, new driving codes need to be added, or existing driving codes need to be modified, and specific backlight brightness adjusting methods are realized in a driver and registered in an operating system. Due to the differentiated design of the backlight brightness adjusting method, the compatibility of backlight brightness adjusting software is reduced, so that the backlight brightness adjusting software cannot be adapted to more hardware, and the maintenance of the backlight brightness adjusting software is not facilitated.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a backlight adjusting method, a backlight adjusting device, an electronic device, and a readable storage medium, so as to solve the problems that the backlight brightness adjusting method is designed differently, the compatibility of backlight brightness adjusting software is reduced, the backlight brightness adjusting software cannot be adapted to more hardware, and the maintenance of the backlight brightness adjusting software is not facilitated.
In order to solve the above problem, the present invention provides a backlight adjusting method, including:
monitoring a backlight adjustment event;
determining a corresponding target display device according to the backlight adjusting event, and generating a backlight adjusting request aiming at 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 a display device of the target display device;
and executing the backlight brightness register modification operation 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 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;
determining the adjustment amount corresponding to the backlight brightness register modification operation according to the backlight adjustment request;
the performing the backlight brightness register modification operation comprises;
determining the adjusted backlight brightness according to the adjustment amount;
and writing the adjusted backlight brightness into the backlight brightness register.
Optionally, the finding a 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 adjusting request in identification information and 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, prior to the monitoring a backlight adjustment event, the method further comprises:
in the initialization process of the unified firmware interface, storing an executable program of the backlight brightness register modification operation into a globally accessible memory, 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 in the starting process of the operating system, registering the target display device, and registering the related operation aiming at the backlight brightness register to the operating system, so that the operating system triggers the backlight brightness register to modify the operation after monitoring the backlight adjusting event.
Optionally, before determining, according to the backlight adjustment request, a backlight brightness register modification operation provided by a unified firmware interface in the process of processing the backlight adjustment request by the display device driver of the target display device, 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 present invention also provides a backlight adjusting apparatus, comprising:
the event monitoring module is used for monitoring a backlight adjusting event;
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;
an operation determining module, 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;
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 determination module includes:
the operation searching submodule is used for searching the backlight brightness register modification operation corresponding to the backlight adjusting 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 backlight brightness register modification operation according to the backlight adjustment request;
the operation execution module comprises;
the brightness determining 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 search sub-module includes:
the information searching unit is used for searching target identification information and target memory address information corresponding to the backlight adjusting 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 the executable program of the backlight brightness register modification operation according to the target memory address information.
Optionally, the apparatus further comprises:
an information generating module, configured to store, in an initialization process of the unified firmware interface, an executable program of the backlight brightness register modification operation in a globally accessible memory before the backlight adjustment event is monitored, and generate target identification information and target memory address information of the backlight brightness register modification operation;
an information obtaining module, configured to obtain, during a start-up process of the operating system, identification information and memory address information of a plurality of operations provided by the unified firmware interface, where the operations include a relevant operation for the backlight brightness register, and the relevant operation for the backlight brightness register includes a modification operation of the backlight brightness register;
and the registering 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 that the operating system triggers the backlight brightness register to modify the operation after monitoring the backlight adjusting event.
Optionally, the apparatus further comprises:
a request sending module, configured to send, by the device manager under the operating system, the backlight adjustment request to the display device driver corresponding to the target display device before determining, according to the backlight adjustment request, that a backlight brightness register provided by a unified firmware interface modifies the operation in a process in which the display device driver of the target display device processes the backlight adjustment request.
The embodiment of the invention also discloses electronic equipment 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 finish mutual communication through the communication bus;
a memory for storing a computer program;
a processor for implementing the method steps as described above when executing the program stored in the memory.
The embodiment of the invention also discloses a readable storage medium, and when the instructions in the storage medium are executed by a processor of the electronic equipment, the electronic equipment can execute one or more methods in the embodiment of the invention.
According to the embodiment of the present invention, by monitoring a backlight adjustment event, determining a corresponding target display device according to the backlight adjustment event, and generating a backlight adjustment request for the target display device, during a process of processing the backlight adjustment request by a display device driver of the target display device, determining a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request, executing the backlight brightness register modification operation, so as to transmit the adjusted backlight brightness to an embedded controller through a backlight brightness register, so that the embedded controller adjusts the target display device to the adjusted backlight brightness, so that by configuring the backlight brightness register modification operation in the unified firmware interface, a backlight brightness adjustment method implemented by different manufacturers in the display device driver is avoided, therefore, the same backlight brightness register is used for modifying and operating the display devices which are adaptive to different models, the compatibility of the backlight brightness adjusting method is improved, and convenience is brought to the maintenance work of the backlight brightness adjusting method.
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Fig. 1 is a flowchart illustrating steps of a backlight adjusting method according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating steps of a backlight adjusting method according to another embodiment of the present invention;
FIG. 3 shows a schematic diagram of a backlight adjustment flow;
FIG. 4 is a block diagram illustrating an embodiment of a backlight adjusting apparatus according to an embodiment of the present invention;
fig. 5 illustrates a block diagram of an electronic device for backlight adjustment, according to an exemplary embodiment.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1, a flowchart illustrating steps of a backlight adjusting method according to an embodiment of the present invention is shown, which may specifically include the following steps:
in step 101, a backlight adjustment event is monitored.
In the embodiment of the present invention, an electronic device such as a computer or a mobile phone has a display device, for example, a liquid crystal display. The backlight is a backlight of the display device, and the operating system generally implements brightness control of the backlight of the display device. The embodiment of the invention is suitable for the hardware design of controlling the brightness of the backlight by the embedded controller.
In embodiments of the present invention, backlight adjustment events include events from a user (e.g., mouse, keyboard events, etc.), from hardware (e.g., sensor events for ambient brightness, etc.), and from software (e.g., operating system, application itself, etc.), corresponding to backlight brightness adjustments. Typically, the operating system will have a dedicated system service responsible for monitoring backlight adjustment events. The backlight adjustment event may be an event of increasing the backlight brightness or an event of decreasing the backlight brightness.
For example, a user triggers a hot key on the keyboard that is used to adjust backlight brightness, and an input event subsystem in the kernel of the operating system reports backlight adjustment events to a specialized system service.
And 102, determining a corresponding target display device according to the backlight adjusting event, and generating a backlight adjusting request aiming at the target display device.
In the embodiment of the invention, the operating system simultaneously uses one or more display devices, wherein the default display device is marked 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. A corresponding backlight adjustment request is then generated based on the backlight adjustment event.
In the embodiment of the present invention, in the operating system, the display device driver of the target display device is a special program that can make the computer and the target display device communicate with each other. The operating system can control the operation of the target display device only through the interface corresponding to the interface of the target display device. In the operating system, the backlight adjustment request is eventually handled by the display device driver.
In the embodiment of the invention, in the process of processing the backlight adjustment request by the display device driver, the backlight adjustment method designed by each manufacturer is not adopted, but 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 connecting an operating system and hardware. For example, BIOS (Basic Input Output System), UEFI (Unified Extensible Firmware Interface), or any other applicable Unified Firmware Interface, which is not limited in this embodiment of the present invention.
In the embodiment of the invention, in the unified firmware interface, the backlight brightness register modification 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 the backlight brightness register modification operation to the operating system in advance for use. And in the process of driving and processing the backlight adjustment request by the display device, determining the modification operation of the backlight brightness register provided by the unified firmware interface according to the backlight adjustment request.
In the embodiment of the present invention, the backlight brightness register modification operation may be implemented as an executable program for turning up the backlight brightness and turning down the backlight brightness. In particular implementations, the amount of backlight brightness adjustment is communicated to the executable program.
And 104, executing the backlight brightness register modification operation 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.
In the embodiment of the invention, the operating system executes the backlight brightness register modification operation to modify the backlight brightness register and write the adjusted backlight brightness into the backlight brightness register. For example, the backlight brightness register modification operation includes a series of operations: reading the current value of the backlight brightness register, increasing or decreasing the current value according to the backlight adjusting request, obtaining the 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, and finally writing the adjusted backlight brightness into the backlight brightness register if the adjusted backlight brightness is between the maximum backlight brightness and the minimum backlight brightness. The increasing or decreasing amount may be set according to actual needs, and the embodiment of the present invention is not limited thereto.
In the embodiment of the present invention, an Embedded Controller (EC) adjusts the backlight luminance of the target display device by reading the value in the backlight luminance register. And the value of the backlight brightness register is modified into the adjusted backlight brightness, so that the adjusted backlight brightness is transferred to the embedded controller. The embedded controller may adjust the target display device to the adjusted backlight brightness according to a hardware control manner of the target display device, and a specific adjustment manner of the embedded controller is not limited in this embodiment of the present invention.
According to the embodiment of the present invention, by monitoring a backlight adjustment event, determining a corresponding target display device according to the backlight adjustment event, and generating a backlight adjustment request for the target display device, during a process of processing the backlight adjustment request by a display device driver of the target display device, determining a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request, executing the backlight brightness register modification operation, so as to transmit the adjusted backlight brightness to an embedded controller through a backlight brightness register, so that the embedded controller adjusts the target display device to the adjusted backlight brightness, so that by configuring the backlight brightness register modification operation in the unified firmware interface, a backlight brightness adjustment method implemented by different manufacturers in the display device driver is avoided, therefore, the same backlight brightness register is used for modifying and operating the display devices which are adaptive to different models, the compatibility of the backlight brightness adjusting method is improved, and convenience is brought to the maintenance work of the backlight brightness adjusting method.
Referring to fig. 2, a flowchart illustrating steps of a backlight adjusting method according to an embodiment of the present invention is shown, which may specifically include the following steps:
in step 201, a backlight adjustment event is monitored.
In the embodiment of the present invention, the specific implementation manner of this step may refer to the description in the foregoing embodiment, and details are not described herein.
In the embodiment of the present invention, the specific implementation manner of this step may refer to the description in the foregoing embodiment, and details are not described herein.
In an optional embodiment of the present invention, before determining, according to the backlight adjustment request, a backlight brightness register modification operation provided by a unified firmware interface in the process of processing the backlight adjustment request by the display device driver of the target display device, 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.
A 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 monitoring the backlight adjustment event, a special system service of the operating system reports the backlight adjustment event to the device manager. And the equipment manager finds the target display device and sends the backlight adjustment request to the display device driver corresponding to the target display device.
In embodiments of the present invention, the operating system may invoke multiple operations provided by the unified firmware interface. In a plurality of operations, a backlight brightness register modification operation corresponding to the backlight adjustment request is searched. For example, the identification carried by the backlight adjustment request is looked up in the identification of the list of multiple operations provided by the unified firmware interface.
In an optional embodiment of the present invention, in an 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 adjusting request in identification information and 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 identification information and memory address information of a plurality of operations provided by the unified firmware interface. Here, the identification information refers to information for identifying a plurality of operations. The memory address information refers to information for specifying an address of an executable program for 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 target identification information, and then is searched in the operating system to find the target identification information and the target memory address information.
According to the target memory address information, an address of an executable program for storing a backlight brightness register modification operation in the memory may be determined. 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 optional embodiment of the present invention, before the monitoring the backlight adjustment event, the method may further include: in the initialization process of the unified firmware interface, storing an executable program of the backlight brightness register modification operation into a globally accessible memory, 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 in the starting process of the operating system, registering the target display device, and registering the related operation aiming at the backlight brightness register to the operating system, so that the operating system triggers the backlight brightness register to modify the operation after monitoring the backlight adjusting event.
The operation provided by the unified firmware interface comprises a related operation aiming at the backlight brightness register, the related operation aiming at the backlight brightness register comprises a backlight brightness register modification operation, the operation can also comprise an operation of reading the value of the backlight brightness register, an operation of acquiring the maximum value and the minimum value of the backlight brightness register and the like.
After the computer is started and powered on, an initialization process of the unified firmware interface is firstly carried out, 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 position. 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 identification information and memory address information of a plurality of operations provided by the unified firmware interface, thereby providing the backlight brightness register modification operation for the operating system.
During the boot process of the operating system, the operating system kernel may require that each device present be reported to the bus, or registered, that a driver present, be reported to the bus, or registered. At the time of operating system initialization, the target display device is scanned for connections. The operating system will look for a matching display driver each time it registers a target display. And then registering the relevant operation aiming at the backlight brightness register to an operating system, specifically to a display device driver, so that the operating system knows that the display device driver triggers the backlight brightness register modification operation after the backlight adjustment event is monitored.
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 the setting corresponding to the hot key on the keyboard, for example, the hot key F1 corresponds to + 10%, and the hot key F2 corresponds to-10%. For example, the backlight adjustment request is parsed to obtain the adjustment amount therein. The adjustment amount of the backlight adjustment request is generated based on the backlight adjustment event.
In the embodiment of the invention, the current value in the backlight brightness register is acquired, 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, and finally determining the adjusted backlight brightness if the adjusted backlight brightness is between the maximum backlight brightness and the minimum backlight brightness.
And step 206, writing the adjusted backlight brightness into the backlight brightness register, so that the adjusted backlight brightness is transmitted to the embedded controller through the backlight brightness register, and the embedded controller adjusts 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, as shown in fig. 3, a schematic diagram of a backlight brightness adjustment flow is shown. The user activates the hot key that adjusts the backlight brightness. In the kernel mode of the OS (operating system), the input event subsystem reports a backlight adjustment event. In a user mode of an OS (operating system), a dedicated system service monitors a backlight adjustment event and determines a corresponding target display device. The system service generates a backlight adjustment request according to the backlight adjustment event, and passes the backlight adjustment request to udev (device manager) in a user mode of the OS. The Udev passes the backlight adjustment request to the display device driver of the target display device in the kernel state 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 in advance with the display device driver of the operating system. And executing the backlight brightness register modification operation to enable the EC controller to operate hardware according to the median value of the backlight brightness register so as to adjust the backlight brightness.
According to the embodiment of the present invention, by monitoring a backlight adjustment event, determining a corresponding target display device according to the backlight adjustment event, and generating a backlight adjustment request for the target display device, in a process of driving and processing the backlight adjustment request by a display device of the target display device, a backlight brightness register modification operation corresponding to the backlight adjustment request is searched among a plurality of operations provided by the unified firmware interface, in a process of driving and processing the backlight adjustment request by a display device of the target display device, an adjustment amount corresponding to the backlight brightness register modification operation is determined according to the backlight adjustment request, the adjusted backlight brightness is determined according to the adjustment amount, and the adjusted backlight brightness is written into the backlight brightness register so as to pass through the backlight brightness register, the adjusted backlight brightness is transmitted to the embedded controller, so that the target display device is adjusted to the adjusted backlight brightness by the embedded controller, the backlight brightness register modification operation is configured in the unified firmware interface, the backlight brightness adjustment methods which are respectively realized in the display device drive by different manufacturers are avoided, the same backlight brightness register modification operation is used for adapting to the display devices of different models, the compatibility of the backlight brightness adjustment methods is improved, and the convenience is brought to the maintenance work of the backlight brightness adjustment methods.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 4, a block diagram of a structure of an embodiment of a backlight adjusting apparatus 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 generating module 302, configured to determine a corresponding target display device according to the backlight adjusting event, and generate a backlight adjusting 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;
an operation executing module 304, configured to execute 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 adjusts the target display device to the adjusted backlight brightness.
In an optional embodiment of the invention, the operation determination module comprises:
the operation searching submodule is used for searching the backlight brightness register modification operation corresponding to the backlight adjusting 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 backlight brightness register modification operation according to the backlight adjustment request;
the operation execution module comprises;
the brightness determining 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 optional embodiment of the present invention, the operation lookup sub-module comprises:
the information searching unit is used for searching target identification information and target memory address information corresponding to the backlight adjusting 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 the executable program of the backlight brightness register modification operation according to the target memory address information.
In an optional embodiment of the invention, the apparatus further comprises:
an information generating module, configured to store, in an initialization process of the unified firmware interface, an executable program of the backlight brightness register modification operation in a globally accessible memory before the backlight adjustment event is monitored, and generate target identification information and target memory address information of the backlight brightness register modification operation;
an information obtaining module, configured to obtain, during a start-up process of the operating system, identification information and memory address information of a plurality of operations provided by the unified firmware interface, where the operations include a relevant operation for the backlight brightness register, and the relevant operation for the backlight brightness register includes a modification operation of the backlight brightness register;
and the registering 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 that the operating system triggers the backlight brightness register to modify the operation after monitoring the backlight adjusting event.
In an optional embodiment of the invention, the apparatus further comprises:
a request sending module, configured to send, by the device manager under the operating system, the backlight adjustment request to the display device driver corresponding to the target display device before determining, according to the backlight adjustment request, that a backlight brightness register provided by a unified firmware interface modifies the operation in a process in which the display device driver of the target display device processes the backlight adjustment request.
According to the embodiment of the present invention, by monitoring a backlight adjustment event, determining a corresponding target display device according to the backlight adjustment event, and generating a backlight adjustment request for the target display device, during a process of processing the backlight adjustment request by a display device driver of the target display device, determining a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request, executing the backlight brightness register modification operation, so as to transmit the adjusted backlight brightness to an embedded controller through a backlight brightness register, so that the embedded controller adjusts the target display device to the adjusted backlight brightness, so that by configuring the backlight brightness register modification operation in the unified firmware interface, a backlight brightness adjustment method implemented by different manufacturers in the display device driver is avoided, therefore, the same backlight brightness register is used for modifying and operating the display devices which are adaptive to different models, the compatibility of the backlight brightness adjusting method is improved, and convenience is brought to the maintenance work of the backlight brightness adjusting method.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
Fig. 5 is a block diagram illustrating a structure of an electronic device 700 for backlight adjustment according to an example embodiment. For example, the electronic device 700 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 5, 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 may include one or more modules that facilitate interaction between the processing component 702 and other components. For example, the processing component 702 can include a multimedia module to facilitate interaction between the multimedia component 708 and the processing component 702.
The memory 704 is configured to store various types of data to support operation at the 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 non-volatile 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 disks.
The power component 704 provides power to the various components of the electronic device 700. Power components 704 may 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 that provides an output interface between the electronic device 700 and a user. 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 an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect 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. The front camera and/or the rear camera may receive external multimedia data when the electronic device 700 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
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 signal may further be stored in the memory 704 or transmitted via the communication component 716. In some embodiments, audio component 710 also 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 keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 714 includes one or more sensors for providing various aspects of status assessment for the electronic device 700. For example, the sensor assembly 714 may detect an open/closed state of the device 700, the relative positioning of components, such as a display and keypad of the electronic device 700, the sensor assembly 714 may also detect a change in the position of the electronic device 700 or a component of the electronic device 700, the presence or absence of user contact with the electronic device 700, orientation or acceleration/deceleration of the electronic device 700, and a change in the temperature of the electronic device 700. The sensor assembly 714 may include a proximity sensor configured to detect the presence of a nearby object 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 gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 716 is configured to facilitate wired or wireless communication between the electronic device 700 and other devices. 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 an exemplary embodiment, the communication component 714 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an 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, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 704 comprising instructions, executable by the processor 720 of the electronic device 700 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
A non-transitory computer readable storage medium in which instructions, when executed by a processor of a terminal, enable the terminal to perform a backlight adjustment method, the method comprising:
monitoring a backlight adjustment event;
determining a corresponding target display device according to the backlight adjusting event, and generating a backlight adjusting request aiming at 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 a display device of the target display device;
and executing the backlight brightness register modification operation 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 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;
determining the adjustment amount corresponding to the backlight brightness register modification operation according to the backlight adjustment request;
the performing the backlight brightness register modification operation comprises;
determining the adjusted backlight brightness according to the adjustment amount;
and writing the adjusted backlight brightness into the backlight brightness register.
Optionally, the finding a 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 adjusting request in identification information and 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, prior to the monitoring a backlight adjustment event, the method further comprises:
in the initialization process of the unified firmware interface, storing an executable program of the backlight brightness register modification operation into a globally accessible memory, 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 in the starting process of the operating system, registering the target display device, and registering the related operation aiming at the backlight brightness register to the operating system, so that the operating system triggers the backlight brightness register to modify the operation after monitoring the backlight adjusting event.
Optionally, before determining, according to the backlight adjustment request, a backlight brightness register modification operation provided by a unified firmware interface in the process of processing the backlight adjustment request by the display device driver of the target display device, 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 embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, 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 present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) 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 flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams 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 to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, 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 terminal 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 terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal 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 of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The present invention provides a backlight adjusting method, a backlight adjusting apparatus, an electronic device, and a readable storage medium, which are described in detail above, and the principles and embodiments of the present invention are explained herein by applying specific examples, and the descriptions of the above examples are only used to help understanding the method and the core ideas of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A backlight adjustment method, comprising:
monitoring a backlight adjustment event;
determining a corresponding target display device according to the backlight adjusting event, and generating a backlight adjusting request aiming at 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 a display device of the target display device;
and executing the backlight brightness register modification operation 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.
2. The method of claim 1, wherein determining, based on the backlight adjustment request, a backlight brightness register modification operation provided by a unified firmware interface 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;
determining the adjustment amount corresponding to the backlight brightness register modification operation according to the backlight adjustment request;
the performing the backlight brightness register modification operation comprises;
determining the adjusted backlight brightness according to the adjustment amount;
and writing the adjusted backlight brightness into the backlight brightness register.
3. The method of claim 2, wherein the finding a backlight brightness register modification operation corresponding to the backlight adjustment request 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 adjusting request in identification information and 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 a backlight adjustment event, the method further comprises:
in the initialization process of the unified firmware interface, storing an executable program of the backlight brightness register modification operation into a globally accessible memory, 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 in the starting process of the operating system, registering the target display device, and registering the related operation aiming at the backlight brightness register to the operating system, so that the operating system triggers the backlight brightness register to modify the operation after monitoring the backlight adjusting event.
5. The method of claim 1, wherein before determining a backlight brightness register modification operation provided by a unified firmware interface according to the backlight adjustment request during the processing of the backlight adjustment request by a 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 the equipment manager under the operating system.
6. A backlight adjustment apparatus, comprising:
the event monitoring module is used for monitoring a backlight adjusting event;
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;
an operation determining module, 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;
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 submodule is used for searching the backlight brightness register modification operation corresponding to the backlight adjusting 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 backlight brightness register modification operation according to the backlight adjustment request;
the operation execution module comprises;
the brightness determining 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, further comprising:
a request sending module, configured to send, by the device manager under the operating system, the backlight adjustment request to the display device driver corresponding to the target display device before determining, according to the backlight adjustment request, that a backlight brightness register provided by a unified firmware interface modifies the operation in a process in which the display device driver of the target display device processes the backlight adjustment request.
9. An electronic device is characterized by comprising a processor, a communication interface, a memory and a communication bus, wherein the processor and the communication interface are used for realizing mutual communication by the memory through the communication bus;
a memory for storing a computer program;
a processor for implementing the method steps of any one of claims 1 to 5 when executing a program stored in the 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 the backlight adjustment method according to one or more of method claims 1-5.
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