backlight: lm3639: document sysfs attributes

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

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>

authored by

Aishwarya Pant and committed by

Jonathan Corbet 8 years ago 24f4c6c8 2d39f681

+11

1 changed file

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Documentation

ABI

testing

sysfs-class-backlight-lm3639

+11

Documentation/ABI/testing/sysfs-class-backlight-lm3639

··· 1 + sysfs interface for Texas Instruments lm3639 backlight + flash led driver chip 2 + ------------------------------------------------------------------------------ 3 + 4 + What: /sys/class/backlight/<backlight>/bled_mode 5 + Date: Oct, 2012 6 + KernelVersion: v3.10 7 + Contact: dri-devel@lists.freedesktop.org 8 + Description: 9 + (WO) Write to the backlight mapping mode. The backlight current 10 + can be mapped for either exponential (value "0") or linear 11 + mapping modes (default).