Re: [PATCH 3/5] drm/bridge: Add PTN3460 bridge driver

[Mark Brown]

On Fri, Oct 04, 2013 at 11:05:48AM +0900, Inki Dae wrote:
> 2013/10/4 Olof Johansson <olof@xxxxxxxxx>:

> > "If PD_N is LOW, then the device is in Deep power-down completely,
> > even if supply rail is ON; for the device to be able to operate, the
> > PD_N pin must be HIGH."

> I still think the pin could be replaced with a regulator. But
> lvds-bridge node has "powerdown-gpio" property - it say this board
> will use gpio pin - specific to board.  So it seems no problem.

No, don't model things that aren't regulators as regulators - it's just
confusing from a usability standpoint and causes breakage when the pins
don't behave like regulators.

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