[PATCH] backlight: lcd: add driver for raster-type lcd's with gpio controlled panel reset

[Thomas Abraham]

On 11 January 2012 23:15, Mark Brown
<broonie at opensource.wolfsonmicro.com> wrote:
> On Wed, Jan 11, 2012 at 04:21:57PM +0530, Thomas Abraham wrote:
>
>> In the case of Exynos4 based Origen board, buck7 of max8997 supplies
>> power to the lcd panel. buck7 is capable of supplying power at
>> different voltage levels but for Origen board, it is required to
>> supply only 3.3V. The constraints for buck7 can specify 'apply_uV' and
>> this will ensure that buck7 is configured to supply 3.3V.
>
>> But 'apply_uV' seems to be not ideal for regulators that supply power
>> to lcd panels. It would be better to power lcd panels only when video
>> data has to be displayed.
>
> What makes you say this?  Enabling and disabling a regulator are
> entirely orthogonal to setting the regulator voltage.

Sorry, I got this wrong. I will remove the regulator_set_voltage()
call from the driver.

Thanks,
Thomas.