[alsa-devel] [PATCH RFC 2/3] input: wm97xx: set GPIOs with AC97 GPIO busops if implemented

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Jun 15 18:27:55 CEST 2010


On Tue, Jun 15, 2010 at 06:17:18PM +0200, Manuel Lauss wrote:
> On Tue, Jun 15, 2010 at 6:08 PM, Mark Brown

> > It seems like it'd be easier to just do this as a generic AC'97 thing
> > rather than adding it to the WM97xx driver - that way any CODEC that has
> > GPIO support can use it, we don't have to add custom per-CODEC GPIO APIs.
> > If you're using the WM97xx-specific code you're already doing something
> > custom so it's not much loss to use a generic thing.

> Oh, now I get it.  Hmm, what about setting pin direction?  That
> certainly is per-codec, no?

IIRC, yes - I'd need to check.  I'd guess a lot of devices will be fixed
function and only support one direction.
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