Merge branch 'core-rcu-2021.07.04' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / Documentation / ABI / testing / sysfs-class-backlight

diff --git a/Documentation/ABI/testing/sysfs-class-backlight b/Documentation/ABI/testing/sysfs-class-backlight
index 1fc8640..c453646 100644 (file)
--- a/Documentation/ABI/testing/sysfs-class-backlight
+++ b/Documentation/ABI/testing/sysfs-class-backlight
@@ -84,3 +84,103 @@ Description:
                It can be enabled by writing the value stored in
                /sys/class/backlight/<backlight>/max_brightness to
                /sys/class/backlight/<backlight>/brightness.
+
+What:          /sys/class/backlight/<backlight>/<ambient light zone>_max
+Date:          Sep, 2009
+KernelVersion: v2.6.32
+Contact:       device-drivers-devel@blackfin.uclinux.org
+Description:
+               Control the maximum brightness for <ambient light zone>
+               on this <backlight>. Values are between 0 and 127. This file
+               will also show the brightness level stored for this
+               <ambient light zone>.
+
+               The <ambient light zone> is device-driver specific:
+
+               For ADP5520 and ADP5501, <ambient light zone> can be:
+
+               ===========  ================================================
+               Ambient      sysfs entry
+               light zone
+               ===========  ================================================
+               daylight     /sys/class/backlight/<backlight>/daylight_max
+               office       /sys/class/backlight/<backlight>/office_max
+               dark         /sys/class/backlight/<backlight>/dark_max
+               ===========  ================================================
+
+               For ADP8860, <ambient light zone> can be:
+
+               ===========  ================================================
+               Ambient      sysfs entry
+               light zone
+               ===========  ================================================
+               l1_daylight  /sys/class/backlight/<backlight>/l1_daylight_max
+               l2_office    /sys/class/backlight/<backlight>/l2_office_max
+               l3_dark      /sys/class/backlight/<backlight>/l3_dark_max
+               ===========  ================================================
+
+               For ADP8870, <ambient light zone> can be:
+
+               ===========  ================================================
+               Ambient      sysfs entry
+               light zone
+               ===========  ================================================
+               l1_daylight  /sys/class/backlight/<backlight>/l1_daylight_max
+               l2_bright    /sys/class/backlight/<backlight>/l2_bright_max
+               l3_office    /sys/class/backlight/<backlight>/l3_office_max
+               l4_indoor    /sys/class/backlight/<backlight>/l4_indoor_max
+               l5_dark      /sys/class/backlight/<backlight>/l5_dark_max
+               ===========  ================================================
+
+               See also: /sys/class/backlight/<backlight>/ambient_light_zone.
+
+What:          /sys/class/backlight/<backlight>/<ambient light zone>_dim
+Date:          Sep, 2009
+KernelVersion: v2.6.32
+Contact:       device-drivers-devel@blackfin.uclinux.org
+Description:
+               Control the dim brightness for <ambient light zone>
+               on this <backlight>. Values are between 0 and 127, typically
+               set to 0. Full off when the backlight is disabled.
+               This file will also show the dim brightness level stored for
+               this <ambient light zone>.
+
+               The <ambient light zone> is device-driver specific:
+
+               For ADP5520 and ADP5501, <ambient light zone> can be:
+
+               ===========  ================================================
+               Ambient      sysfs entry
+               light zone
+               ===========  ================================================
+               daylight     /sys/class/backlight/<backlight>/daylight_dim
+               office       /sys/class/backlight/<backlight>/office_dim
+               dark         /sys/class/backlight/<backlight>/dark_dim
+               ===========  ================================================
+
+               For ADP8860, <ambient light zone> can be:
+
+               ===========  ================================================
+               Ambient      sysfs entry
+               light zone
+               ===========  ================================================
+               l1_daylight  /sys/class/backlight/<backlight>/l1_daylight_dim
+               l2_office    /sys/class/backlight/<backlight>/l2_office_dim
+               l3_dark      /sys/class/backlight/<backlight>/l3_dark_dim
+               ===========  ================================================
+
+               For ADP8870, <ambient light zone> can be:
+
+               ===========  ================================================
+               Ambient      sysfs entry
+               light zone
+               ===========  ================================================
+               l1_daylight  /sys/class/backlight/<backlight>/l1_daylight_dim
+               l2_bright    /sys/class/backlight/<backlight>/l2_bright_dim
+               l3_office    /sys/class/backlight/<backlight>/l3_office_dim
+               l4_indoor    /sys/class/backlight/<backlight>/l4_indoor_dim
+               l5_dark      /sys/class/backlight/<backlight>/l5_dark_dim
+               ===========  ================================================
+
+               See also: /sys/class/backlight/<backlight>/ambient_light_zone.
+