From: Sergej Sawazki <ssawazki@gmx.de>
To: Lars-Peter Clausen <lars@metafoo.de>
Cc: alsa-devel@alsa-project.org
Subject: Re: ASoC machine driver: how to configure supported frame rates?
Date: Fri, 10 Oct 2014 22:42:53 +0200 [thread overview]
Message-ID: <543844CD.6010409@gmx.de> (raw)
In-Reply-To: <5438256D.8040605@metafoo.de>
Am 10.10.2014 um 20:29 schrieb Lars-Peter Clausen:
> 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
>
Lars, thanks for you help. It is working.
- Sergej
prev parent reply other threads:[~2014-10-10 20:42 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
2014-10-10 20:42 ` Sergej Sawazki [this message]
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