From: Lars-Peter Clausen <lars@metafoo.de>
To: Sergej Sawazki <ssawazki@gmx.de>, alsa-devel@alsa-project.org
Subject: Re: ASoC machine driver: how to configure supported frame rates?
Date: Fri, 10 Oct 2014 20:29:01 +0200 [thread overview]
Message-ID: <5438256D.8040605@metafoo.de> (raw)
In-Reply-To: <54380559.7030807@gmx.de>
On 10/10/2014 06:12 PM, Sergej Sawazki wrote:
> Dear all,
>
> I'm writing an ALSA SoC machine driver. The codec on my board, as well
> as the cpu do support the following rates: SNDRV_PCM_RATE_8000_192000
>
> However, the codec, as well as the cpu are clock slaves and the clocks
> are fixed. Hence, my board does only support the 96kHz sample rate.
>
> Can someone give me some advice on how to tell ALSA that my board does
> only support the rate SNDRV_PCM_RATE_96000?
> I don't want to modify the codec and the platform driver.
>
> Any help would be highly appreciated. Thanks!
You can apply additional constraints in the startup callback of the
snd_soc_ops of DAI link in your board driver.
For example see sound/soc/samsung/h1940_uda1380.c
- Lars
next prev parent reply other threads:[~2014-10-10 18:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-10 16:12 ASoC machine driver: how to configure supported frame rates? Sergej Sawazki
2014-10-10 18:29 ` Lars-Peter Clausen [this message]
2014-10-10 20:42 ` Sergej Sawazki
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