From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Vinod Koul <vinod.koul@linux.intel.com>
Cc: alsa-devel@alsa-project.org, Lars-Peter Clausen <lars@metafoo.de>,
Russell King <linux@arm.linux.org.uk>,
Ryan Mallon <rmallon@gmail.com>,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Wolfram Sang <w.sang@pengutronix.de>,
Mika Westerberg <mika.westerberg@iki.fi>,
Shawn Guo <shawn.guo@linaro.org>, Liam Girdwood <lrg@ti.com>
Subject: Re: [RFC 4/7] ASoC: Add dmaengine PCM helper functions
Date: Wed, 22 Feb 2012 13:30:37 +0000 [thread overview]
Message-ID: <20120222133037.GJ7340@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <1329917409.24656.115.camel@vkoul-udesk3>
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On Wed, Feb 22, 2012 at 07:00:09PM +0530, Vinod Koul wrote:
> On Wed, 2012-02-22 at 13:21 +0000, Mark Brown wrote:
> > For the non-cyclic DMAs the idea of emulating at the dmaengine layer
> > does seem very sensible but if that's hard then having the code at the
> > ASoC level and pushing it down later seems fine. We do have several
> > platforms with non-cyclic DMA so it's a general need.
> I think this should be pushed to dmaengine rather than in ASoC. That way
> ASoC can always request circular and we emulate the behavior in
> dmaengine for dmacs who don't support this
That's what I just said. I'm just saying that if for some reason it's
going to be difficult to implement I don't mind carrying code at the
ASoC layer while that work is done.
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next prev parent reply other threads:[~2012-02-22 13:30 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-22 9:49 [RFC 0/7] ASoC: Introduce dmaengine pcm helper functions Lars-Peter Clausen
2012-02-22 9:49 ` [RFC 1/7] ASoC: imx-ssi: Set dma data early Lars-Peter Clausen
2012-02-22 13:22 ` Mark Brown
2012-02-22 9:49 ` [RFC 2/7] ASoC: imx-pcm: Request DMA channel early Lars-Peter Clausen
2012-02-22 13:22 ` Mark Brown
2012-02-22 9:49 ` [RFC 3/7] ASoC: mxs-pcm: " Lars-Peter Clausen
2012-02-22 13:22 ` Mark Brown
2012-02-22 9:49 ` [RFC 4/7] ASoC: Add dmaengine PCM helper functions Lars-Peter Clausen
2012-02-22 10:01 ` Russell King - ARM Linux
2012-02-22 12:52 ` Lars-Peter Clausen
2012-02-22 13:00 ` Mark Brown
2012-02-22 13:21 ` Mark Brown
2012-02-22 13:30 ` Vinod Koul
2012-02-22 13:30 ` Mark Brown [this message]
2012-02-22 13:32 ` Russell King - ARM Linux
2012-02-22 13:39 ` Mark Brown
2012-02-22 14:22 ` Russell King - ARM Linux
2012-02-22 15:04 ` Mark Brown
2012-02-22 15:23 ` Russell King - ARM Linux
2012-02-22 15:39 ` Mark Brown
2012-02-23 6:57 ` Vinod Koul
2012-03-02 13:59 ` Mark Brown
2012-03-05 12:30 ` Lars-Peter Clausen
2012-03-05 12:41 ` Mark Brown
2012-03-07 0:38 ` Kuninori Morimoto
2012-03-07 11:42 ` Mark Brown
2012-02-22 9:49 ` [RFC 5/7] ASoC: imx-pcm-dma: Use " Lars-Peter Clausen
2012-02-22 9:49 ` [RFC 6/7] ASoC: mxs-pcm: " Lars-Peter Clausen
2012-02-22 9:49 ` [RFC 7/7] ASoC: ep93xx-pcm: " Lars-Peter Clausen
2012-02-27 8:19 ` Mika Westerberg
2012-02-27 8:51 ` Lars-Peter Clausen
2012-02-27 19:01 ` Mika Westerberg
2012-02-28 8:47 ` Lars-Peter Clausen
2012-02-28 12:52 ` Mark Brown
2012-02-28 14:17 ` Lars-Peter Clausen
2012-02-28 14:30 ` Mark Brown
2012-02-28 19:23 ` Mika Westerberg
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