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| author |   Aishwarya Pant <aishpant@gmail.com> | 2018-02-06 13:09:42 +0530 |
|---|---|---|
| committer |   Jonathan Corbet <corbet@lwn.net> | 2018-02-23 08:20:57 -0700 |
| commit | 24f4c6c890e69fa805cfc3112b3c7bfe75a88805 (patch) | |
| tree | a336a616d6647d338d885fdbe43e2f4ac46bacff /Documentation/ABI | |
| parent | block/loop: add documentation for sysfs interface (diff) | |
| download | linux-dev-24f4c6c890e69fa805cfc3112b3c7bfe75a88805.tar.xz linux-dev-24f4c6c890e69fa805cfc3112b3c7bfe75a88805.zip | |
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>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-backlight-lm3639 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-backlight-lm3639 b/Documentation/ABI/testing/sysfs-class-backlight-lm3639 new file mode 100644 index 000000000000..f7e92a82ea25 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-backlight-lm3639 @@ -0,0 +1,11 @@ +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). |