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authorAishwarya Pant <aishpant@gmail.com>2018-02-06 10:39:42 +0300
committerJonathan Corbet <corbet@lwn.net>2018-02-23 18:20:57 +0300
commit24f4c6c890e69fa805cfc3112b3c7bfe75a88805 (patch)
treea336a616d6647d338d885fdbe43e2f4ac46bacff /Documentation/ABI/testing/sysfs-class-backlight-lm3639
parent2d39f681bc67662f43046106f3274e9b8ca27383 (diff)
downloadlinux-24f4c6c890e69fa805cfc3112b3c7bfe75a88805.tar.xz
backlight: lm3639: document sysfs attributes
Add documentation for sysfs interfaces of Texas Instruments lm3639 backlight + flash led driver chip by looking through git commits and reading code. Signed-off-by: Aishwarya Pant <aishpant@gmail.com> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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+sysfs interface for Texas Instruments lm3639 backlight + flash led driver chip
+------------------------------------------------------------------------------
+
+What: /sys/class/backlight/<backlight>/bled_mode
+Date: Oct, 2012
+KernelVersion: v3.10
+Contact: dri-devel@lists.freedesktop.org
+Description:
+ (WO) Write to the backlight mapping mode. The backlight current
+ can be mapped for either exponential (value "0") or linear
+ mapping modes (default).