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From: Mark Brown <broonie@kernel.org>
To: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Cc: alsa-devel@alsa-project.org, lars@metafoo.de,
	patches@opensource.wolfsonmicro.com, lgirdwood@gmail.com,
	Sergej Sawazki <ce3a@gmx.de>,
	dan.carpenter@oracle.com
Subject: Re: [RFC PATCH] ASoC: wm8741: Allow master clock switching
Date: Fri, 5 Jun 2015 17:56:45 +0100	[thread overview]
Message-ID: <20150605165645.GX14071@sirena.org.uk> (raw)
In-Reply-To: <20150605152219.GA32730@opensource.wolfsonmicro.com>


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On Fri, Jun 05, 2015 at 04:22:19PM +0100, Charles Keepax wrote:
> On Fri, Jun 05, 2015 at 02:05:44PM +0200, Sergej Sawazki wrote:
> > The set of supported sample rates depends on the master clock supplied
> > to the codec. Allow the machine driver to set the required master clock

Please delete undeleted context when replying.

> I think rather than removing the constraints entirely here,
> perhaps just don't set any constraints if there is no SYSCLK yet.
> That way we get the benefits of the constraints for single clock
> systems (such as user-space being able to arrange appropriate
> software resampling) but those like yours can configure the clock
> later.

Yes, that's the ideal thing.  The machine driver should reset the clock
back to zero when things go idle.

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  reply	other threads:[~2015-06-05 16:57 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-05 12:05 [RFC PATCH] ASoC: wm8741: Allow master clock switching Sergej Sawazki
2015-06-05 15:22 ` Charles Keepax
2015-06-05 16:56   ` Mark Brown [this message]
2015-06-05 18:56   ` Sergej Sawazki
2015-06-05 19:00     ` Mark Brown

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