Add documentation for sysfs interface of Texas Instruments lp855x backlight driver by reading code and looking through git commit logs.
Signed-off-by: Aishwarya Pant aishpant@gmail.com --- .../ABI/testing/sysfs-class-backlight-lp855x | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-backlight-lp855x
diff --git a/Documentation/ABI/testing/sysfs-class-backlight-lp855x b/Documentation/ABI/testing/sysfs-class-backlight-lp855x new file mode 100644 index 000000000000..5b9d38958875 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-backlight-lp855x @@ -0,0 +1,19 @@ +sysfs interface for Texas Instruments lp855x backlight driver +------------------------------------------------------------ + +What: /sys/class/backlight/<backlight>/chip_id +Date: Mar, 2012 +KernelVersion: v3.10 +Contact: Milo Kim milo.kim@ti.com +Description: + (RO) Displays the lp8755x chip id. Possible values are: + lp8550, lp8551, lp8552, lp8553, lp8555, lp8556 or lp8557. + + +What: /sys/class/backlight/<backlight>/bl_ctl_mode +Date: Mar, 2012 +KernelVersion: v3.10 +Contact: Linux kernel mailing list linux-kernel@vger.kernel.org +Description: + (RO) Displays whether the brightness is controlled by the pwm + input("pwm based) or the i2c register("register based").