[alsa-devel] [PATCH] ASoC:nau8825: automatic LRCK and BCLK divide in master mode

[John Hsu]

Hi,
On 2/3/2017 7:57 PM, Mark Brown wrote:
> On Thu, Feb 02, 2017 at 03:36:50PM +0800, John Hsu wrote:
>
>
>> Provide the automatic configurable LRC and BCLK divide. The bit clock rate
>> can be chosen by userspace. The driver will make configurations of LRCK
>> and BCLK automatically when playback or capture in master mode.
>>
>
> As far as I can tell this only provides manual selection from userspace,
> I can't see the code for automatic selection.  I'd not expect to see any
> userspace control of something like this, if there is an override I'd
> expect it to come from the machine driver, and as I've previously said
> I'd definitely expect automatic selection to be the default like it is
> with other CODEC drivers.
>

I see. Maybe I can get the bit clock and frame sync information when
hardware parameter. According to the information to make LRC and BCLK
divide confirguration.



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