Re: [PATCH] Add support for CLKOUT to wm8731 codec driver

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Mark Brown wrote:
> On Fri, Oct 30, 2009 at 11:50:20AM -0500, Bill Gatliff wrote:
>   
>> Mark Brown wrote:
>>     
>
>   
>>> It'd be better define a new clock for the CLKOUT pin rather than munging
>>> it in with the master clock.  MCLK is always an input on the WM8731, the
>>> CLKOUT output is a separate pin and so including it in MCLK is likely to
>>> make things confusing and could well introduce errors.
>>>       
>
>   
>> Could you explain more about what you meant by this?  I'm trying to
>> rework these patches now, and I don't understand how to implement what
>> you are suggesting.
>>     
>
> Define two clock IDs and then use a switch statement in the function to
> determine which to act on, allowing the master clock to be controlled
> separately to the output clock.
>   

Can you refer me to an existing example?


b.g.

-- 
Bill Gatliff
bgat@xxxxxxxxxxxxxxx

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