Lines Matching +full:brightness +full:- +full:level

1 .. SPDX-License-Identifier: GPL-2.0
16 Export a sysfs interface for user space to control backlight level
26 Documentation/ABI/stable/sysfs-class-backlight.
32   get the brightness level the firmware thinks it is at;
34   not implemented, will set the current brightness instead;
35 brightness:
36   on write, control method _BCM will run to set the requested brightness level;
43 brightness, actual_brightness and max_brightness. So if we have
68 corresponds to the 0x0A brightness value) to 9 (that corresponds to the
69 0x64 brightness value) inclusive. Each of those index values is regarded
70 as a "brightness level" indicator. Thus from the user space perspective
71 the range of available brightness levels is from 0 to 9 (max_brightness)
109 level through the sysfs interface.
111 Change backlight level in the kernel
115 received a notification, it will set the backlight level accordingly. This does
117 space regardless of whether or not the video module controls the backlight level
119 module parameter as documented in admin-guide/kernel-parameters.rst. It is
121 wants to have full control of the backlight level.