[alsa-devel] [PATCH 1/3] ASoC: Add gtm601 codec driver

Belisko Marek marek.belisko at gmail.com
Fri May 1 22:34:26 CEST 2015


On Fri, May 1, 2015 at 4:02 PM, Mark Brown <broonie at kernel.org> wrote:
> On Fri, May 01, 2015 at 01:36:48PM +0200, Belisko Marek wrote:
>> On Fri, May 1, 2015 at 1:03 PM, Mark Brown <broonie at kernel.org> wrote:
>> > On Thu, Apr 30, 2015 at 11:28:01PM +0200, Marek Belisko wrote:
>
>> >> +/*
>> >> + * Note this is a simple chip with no configuration interface, sample rate is
>> >> + * determined automatically by examining the Master clock and Bit clock ratios
>> >> + */
>> >
>> >> +#define GTM601_RATES  (SNDRV_PCM_RATE_8000)
>
>> > Does it or doesn't it support multiple sample rates?
>
>> It support only 8kHz rate. I'll remove define and use SNDRV_PCM_RATE_8000
>> only in gtm601_dai struct.
>
> I was more commenting on the fact that the comment immediately above
> says that the sample rate is determined automatically which suggests
> that multiple sample rates are supported.
OK I see. Checked with gtm601 datasheet max master clock is 2.048MHz so
it is 8kHz LRCLK. Sorry for confusing comment.

BR,

marek

-- 
as simple and primitive as possible
-------------------------------------------------
Marek Belisko - OPEN-NANDRA
Freelance Developer

Ruska Nova Ves 219 | Presov, 08005 Slovak Republic
Tel: +421 915 052 184
skype: marekwhite
twitter: #opennandra
web: http://open-nandra.com


More information about the Alsa-devel mailing list