[alsa-devel] [PATCH] ASoC: codecs/wm8978: Only reconfigure GPIO1 when used for PLL output

Eric Millbrandt emillbrandt at dekaresearch.com
Thu Nov 15 20:35:59 CET 2012

On 2012-11-15 Mark Brown wrote:
> On Tue, Nov 13, 2012 at 09:43:08AM -0500, Eric Millbrandt wrote:
>> However, I agree that the handling of the pin is odd.  Does OPCLK
>> really need to be reconfigured as input whenever the PLL values are
>> updated?  I didn't see anything in the user manual to suggest that that
>> needed to be
> done.
> It should not be a requirement of the device itself.  It might be a
> requirement of something using the clock but the system doing that
> should take care of remuxing the pin as needed.  What I'd suggest doing
> here is removing the management of the pin completely from this
> function.

That sounds reasonable.  I'll make those changes and resubmit.


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