Re: [RFC PATCH 2/2] ASoC: select sysclk clock from mlck clock provider in wm8994 driver

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Hello Mark,

On 12/20/2017 04:50 PM, Mark Brown wrote:
> On Wed, Dec 20, 2017 at 12:42:10PM +0000, Olivier MOYSAN wrote:
> 
>> As a generic machine, simple or audio graph cards are not able to manage
>> codec clock muxing.
>> If we exclude the management of muxing through codec controls,
>> the remaining solution is to handle it fully through clock framework.
>> The current patch only supports a limited range of muxing capabilities
>> of the codec.
>> To have a full management of the muxing, I think it is necessary to add
>> a device tree node for each codec interface and to define an aif clock
>> in these nodes.
>> Then parent clock assignment of these aif clocks would allow to handle
>> the muxing.
> 
> Controlling clocking through a clock API binding would be good, yes.
> That'd solve a bunch of other problems with use of multi-purpose clocks
> for audio as well.
> 

Thanks for your feedback. I will implement this in a patch v2.

BRs
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