[PATCH] backlight: Fix broken regulator API usage in l4f00242t03

[Fabio Estevam]

On Mon, Aug 15, 2011 at 11:50 AM, Mark Brown
<broonie at opensource.wolfsonmicro.com> wrote:
> The regulator support in the l4f00242t03 is very non-idiomatic, rather
> than requesting the regulators based on the device name and the supply
> names used by the device the driver requires boards to pass system
> specific supply names around through platform data. The driver also
> conditionally requests the regulators based on this platform data, adding
> unneeded conditional code to the driver.
>
> Fix this by removing the platform data and converting to the standard idiom,
> also updating all in tree users of the driver. As no datasheet appears to
> be available for the LCD I'm guessing the names for the supplies based on
> the existing users and I've no ability to do anything more than compile
> test.
>
> The use of regulator_set_voltage() in the driver is also problematic, since
> fixed voltages are required the expectation would be that the voltages
> would be fixed in the constraints set by the machines rather than manually
> configured by the driver, but is less problematic.
>
> Signed-off-by: Mark Brown <broonie at opensource.wolfsonmicro.com>

On a mx27_3ds:

Tested-by: Fabio Estevam <fabio.estevam at freescale.com>