Re: PWM drivers for TWL4030

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> If they're using the LEDA or LEDB PWMs, providing and exporting
> a brightness control would be easy.  If they're using the other
> two PWMs, it'd be more work.
The configuration is as follows:
LEDA - keypad backlight
LEDB - power LED
PWM0 - LCD backlight
PWM1 - charger LED

So we need PWM0 to be "real LED" most (and backlight class too),
others would be cool as "real" too, but we could live with them being
simple.

>> since we are in the same boat. A solution is needed, but I guess the
>> wolfson people can work it out :)
>
> Or maybe the Pandora people.  ;)
Well I feel confused about all this now.. I guess I'll start with
defining everything as simple GPIO LEDs.
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