tree f63c75dafd45b505f2d08c68be167ae692cd6f68
parent ae92365cdd759748b4b0671109f456a1bb7aa57d
author Andreas Kemnade <andreas@kemnade.info> 1568323977 +0200
committer Lee Jones <lee.jones@linaro.org> 1570022727 +0100

backlight: lm3630a: Add an enable gpio for the HWEN pin

For now just enable it in the probe function to allow I2C
access. Disabling also means resetting the register values
to default and according to the datasheet does not give
power savings.

Tested on Kobo Clara HD.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>