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From: Mark Brown <broonie@sirena.org.uk>
To: Daniel Mack <daniel@caiaq.de>
Cc: alsa-devel@alsa-project.org, Tim Ruetz <tim@caiaq.de>,
	Philipp Zabel <philipp.zabel@gmail.com>,
	Liam Girdwood <lrg@kernel.org>
Subject: Re: [PATCH 3/4] pxa-ssp: don't touch ssp registers	when stream is running
Date: Wed, 4 Mar 2009 20:42:22 +0000	[thread overview]
Message-ID: <20090304204222.GC10731@sirena.org.uk> (raw)
In-Reply-To: <20090304203911.GA18917@buzzloop.caiaq.de>

On Wed, Mar 04, 2009 at 09:39:11PM +0100, Daniel Mack wrote:
> On Wed, Mar 04, 2009 at 08:33:52PM +0000, Mark Brown wrote:

> > I'd expect an error to be reported here - if we needed to change the
> > settings and can't things could go wrong.  Ideally it'd check to see if
> > the DAI format was being changed and only error if it was.

> In my tests, pxa_ssp_set_dai_fmt() was simply called twice, once for the
> input, once for the ouput. Hence I believed a silent exit in such a case

That'll be because you weren't changing the DAI format - hence my
comment about only erroring if the format is changed.

> fine. Does 'arecord -f cd | aplay -f cd' work for you?

It won't, but that's because I don't have hardware that can play back cd
format audio through the SSP port :)

  reply	other threads:[~2009-03-04 20:42 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-04 20:15 PXA SSP and external clocked I2S again Daniel Mack
2009-03-04 20:16 ` [PATCH 1/4] pxa-ssp: fix name of register bit Daniel Mack
2009-03-04 20:16   ` [PATCH 2/4] soc-dai: add bitfields for hardware I2S formats Daniel Mack
2009-03-04 20:16     ` [PATCH 3/4] pxa-ssp: don't touch ssp registers when stream is running Daniel Mack
2009-03-04 20:17       ` [PATCH 4/4] pxa-ssp: switch from network mode to psp Daniel Mack
2009-03-04 20:56         ` pHilipp Zabel
2009-03-04 23:03           ` Daniel Mack
2009-03-05 10:36             ` Daniel Mack
2009-03-05 11:21             ` Mark Brown
2009-03-05 11:26               ` Daniel Mack
2009-03-05 16:01             ` pHilipp Zabel
2009-03-05 13:21         ` Daniel Mack
2009-03-05 13:34           ` Mark Brown
2009-03-04 20:33       ` [PATCH 3/4] pxa-ssp: don't touch ssp registers when stream is running Mark Brown
2009-03-04 20:39         ` Daniel Mack
2009-03-04 20:42           ` Mark Brown [this message]
2009-03-05 10:23             ` Daniel Mack
2009-03-10 15:41               ` Daniel Mack
2009-03-10 15:56                 ` Mark Brown
2009-03-04 22:30     ` [PATCH 2/4] soc-dai: add bitfields for hardware I2S formats Mark Brown
2009-03-04 23:12       ` Daniel Mack
2009-03-05 10:53         ` Mark Brown
2009-03-05 11:31           ` Daniel Mack
2009-03-05 12:03             ` Mark Brown
2009-03-05 12:55               ` Daniel Mack
2009-03-05 12:57                 ` Mark Brown
2009-03-05 15:58                 ` pHilipp Zabel
2009-03-05 11:40   ` [PATCH 1/4] pxa-ssp: fix name of register bit Mark Brown

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