From 24f4c6c890e69fa805cfc3112b3c7bfe75a88805 Mon Sep 17 00:00:00 2001 From: Aishwarya Pant <aishpant@gmail.com> Date: Tue, 6 Feb 2018 13:09:42 +0530 Subject: [PATCH] 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> --- .../ABI/testing/sysfs-class-backlight-lm3639 | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-lm3639 diff --git a/Documentation/ABI/testing/sysfs-class-backlight-lm3639 b/Documentation/ABI/testing/sysfs-class-backlight-lm3639 new file mode 100644 index 0000000000000..f7e92a82ea25a --- /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). -- GitLab