leds: leds-qpnp: Enable PWM and LPG configuration from userspace

Allow user to control properties such as pwm period and
duty cycles at runtime through sysfs.

Change-Id: Icec7f3de25d0f4bc89666639402317ef8446e803
Signed-off-by: Amy Maloche <amaloche@codeaurora.org>
1 file changed