[alsa-devel] [RFC PATCH] ASoC: wm8741: Allow master clock switching

[Mark Brown]

On Fri, Jun 05, 2015 at 04:22:19PM +0100, Charles Keepax wrote:
> On Fri, Jun 05, 2015 at 02:05:44PM +0200, Sergej Sawazki wrote:
> > The set of supported sample rates depends on the master clock supplied
> > to the codec. Allow the machine driver to set the required master clock

Please delete undeleted context when replying.

> I think rather than removing the constraints entirely here,
> perhaps just don't set any constraints if there is no SYSCLK yet.
> That way we get the benefits of the constraints for single clock
> systems (such as user-space being able to arrange appropriate
> software resampling) but those like yours can configure the clock
> later.

Yes, that's the ideal thing.  The machine driver should reset the clock
back to zero when things go idle.
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