3 Commits

Author	SHA1	Message	Date
Thierry Reding	22ceeee16e	pwm-backlight: Add power supply support ... Backlights require a power supply to work properly. This commit adds a regulator to power up and power down the backlight. Signed-off-by: Thierry Reding <treding@nvidia.com>	2013-10-16 09:20:09 +02:00
Thierry Reding	8265b2e4e6	pwm-backlight: Use new enable_gpio field ... Make use of the new enable_gpio field and allow it to be set from DT as well. Now that all legacy users of platform data have been converted to initialize this field to an invalid value, it is safe to use the field from the driver. Signed-off-by: Thierry Reding <treding@nvidia.com>	2013-10-16 09:20:09 +02:00
Thierry Reding	3e3ed6cdc4	pwm-backlight: Add rudimentary device tree support ... This commit adds very basic support for device tree probing. Currently, only a PWM and a list of distinct brightness levels can be specified. Enabling or disabling backlight power via GPIOs is not yet supported. Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>	2012-07-23 13:23:52 +02:00