From 24f4c6c890e69fa805cfc3112b3c7bfe75a88805 Mon Sep 17 00:00:00 2001 From: Aishwarya Pant Date: Tue, 6 Feb 2018 13:09:42 +0530 Subject: 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 Acked-by: Daniel Thompson Signed-off-by: Jonathan Corbet --- Documentation/ABI/testing/sysfs-class-backlight-lm3639 | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-lm3639 (limited to '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 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//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). -- cgit v1.2.3