Re: [PATCH] ASoC: rt5659: Add mclk controls

From: Vinod Koul
Date: Fri Jul 29 2016 - 12:07:58 EST


On Thu, Jul 28, 2016 at 07:55:10PM +0100, Mark Brown wrote:
> On Thu, Jul 28, 2016 at 11:14:20AM -0700, Nicolin Chen wrote:
> > On Thu, Jul 28, 2016 at 04:57:32PM +0100, Mark Brown wrote:
>
> > > This device seems to be used on x86 systems so we'll need to ensure that
> > > they register clocks for this. They really should set this up using
> > > quirks keyed off DMI information or similar so it's hidden from other
> > > systems.
>
> > Hmm..the change defines this mclk as a optional property so I'm
> > not sure how it would affect x86 systems. (Would love to refine
>
> Ah, clk_prepare_enable() silently ignores NULL as an argument? It is a
> bit messy to do things that way but might be the most practical thing.
>
> > it to make it impactless.) Since it's literally hidden, any way
> > that I can manually ensure it? Or just wait for an ack from x86
> > developers?
>
> Hopefully they'll speak up - we're in the merge window anyway so it'll
> be just over a week before this can go into -next.

Yeah I am not aware of any plan to have clks on x86. For audio we are not
going to use much. ACPI and controller w/ firmware does the job.

I have added Darren, he oversee platform things so might know if clocks
would be there in future..

Thanks
--
~Vinod

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