linux-kernel - Re: davinci-mcasp: extension to use AHCLKX pin as external clock source

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Date:	Fri, 6 Feb 2015 13:50:21 +0200
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Urs Fässler <urs.fassler@...esatwork.ch>,
	<perex@...ex.cz>, <tiwai@...e.de>
CC:	<lgirdwood@...il.com>, <broonie@...nel.org>, <jsarha@...com>,
	<misael.lopez@...com>, <alsa-devel@...a-project.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: davinci-mcasp: extension to use AHCLKX pin as external clock
 source

On 02/06/2015 11:22 AM, Urs Fässler wrote:
> The AHCLKX pin seems not to be supported as external source. The first
> patch is a general fix to allow external clock. The second allows you to
> select the AHCLKX pin as clock source.
> 
> Patch built against v3.19-rc7
> 

I don't think this series is correct. You can just issue:
snd_soc_dai_set_sysclk(cpu_dai, 0, sysclk, SND_SOC_CLOCK_IN);

from the machine driver to select AHCLKX as input.

-- 
Péter
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