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Kconfig
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#
# Copyright (C) 2024 Xiaomi Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
menu "Brightness Controller"
config SYSTEM_BRIGHTNESS_SERVICE
bool "Brightness Service"
depends on VIDEO_FB
default n
---help---
The controller is capable of control screen brightness automatically
based on ambient light sensor. The controller can be used by multiple
applications and switch between them.
if SYSTEM_BRIGHTNESS_SERVICE
config BRIGHTNESS_SERVICE_DEFAULT_DEVICE
string "The default fb device to control brightness"
default "/dev/fb0"
---help---
The device used to set brightness via ioctl. It must support
FBIOSET_POWER command.
config BACKLIGHT_LEVEL_MIN
int "The minimum backlight level"
default 1
config BACKLIGHT_LEVEL_MAX
int "The maximum backlight level"
default 255
config LIGHTSENSOR_FREQUENCY
int "The frequency of the light sensor in Hz"
default 5
config BRIGHTNESS_SERVICE_PERSISTENT
bool "Enable brightness persistent"
default y
depends on KVDB
---help---
Enable brightness persistent to save the brightness settings to
KVDB and restore it after reboot.
config BRIGHTNESS_SERVICE_DEBUG
bool "Enable debug"
default n
config BRIGHTNESS_SERVICE_DEBUG_ERROR
bool "Enable debug warning"
default n
depends on BRIGHTNESS_SERVICE_DEBUG
config BRIGHTNESS_SERVICE_DEBUG_WARN
bool "Enable debug warning"
default n
depends on BRIGHTNESS_SERVICE_DEBUG_ERROR
config BRIGHTNESS_SERVICE_DEBUG_INFO
bool "Enable debug info"
default n
depends on BRIGHTNESS_SERVICE_DEBUG_WARN
config BRIGHTNESS_SERVICE_TEST
bool "Enable brightness test"
default n
depends on PTHREAD_CLEANUP_STACKSIZE > 0
---help---
Enable brightness test task to test the brightness controller.
Depends on PTHREAD_CLEANUP_STACKSIZE to clean up the task.
if BRIGHTNESS_SERVICE_TEST
config BRIGHTNESS_TEST_PRIORITY
int "brightness test task priority"
default 100
config BRIGHTNESS_TEST_STACKSIZE
int "brightness test task stack size"
default DEFAULT_TASK_STACKSIZE
config BRIGHTNESS_TEST_UI
bool "Enable brightness test UI"
default n
depends on BRIGHTNESS_SERVICE_TEST && GRAPHICS_LVGL
endif
endif
endmenu # SYSTEM_BRIGHTNESS_SERVICE