linux-kernel - Re: [PATCH 1/3] ASoC: Add gtm601 codec driver

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Message-ID: <CAAfyv34FJvBmCqUnZhiNMRMn2X+_4gbh=GJpV3ySmUeGaTSxyQ@mail.gmail.com>
Date:	Fri, 1 May 2015 22:34:26 +0200
From:	Belisko Marek <marek.belisko@...il.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	perex@...ex.cz, tiwai@...e.de,
	"Dr. H. Nikolaus Schaller" <hns@...delico.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>, alsa-devel@...a-project.org
Subject: Re: [PATCH 1/3] ASoC: Add gtm601 codec driver

On Fri, May 1, 2015 at 4:02 PM, Mark Brown <broonie@...nel.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@...nel.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

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