From: Stephen Warren <swarren@wwwdotorg.org>
To: Lars-Peter Clausen <lars@metafoo.de>,
Mark Brown <broonie@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>
Cc: alsa-devel@alsa-project.org
Subject: Re: [PATCH 16/19] ASoC: tegra: Don't set unused struct snd_pcm_hardware fields
Date: Fri, 20 Dec 2013 10:43:35 -0700 [thread overview]
Message-ID: <52B481C7.2070509@wwwdotorg.org> (raw)
In-Reply-To: <1387545625-19240-16-git-send-email-lars@metafoo.de>
On 12/20/2013 06:20 AM, Lars-Peter Clausen wrote:
> The ASoC core assumes that the PCM component of the ASoC card transparently
> moves data around and does not impose any restrictions on the memory layout or
> the transfer speed. It ignores all fields from the snd_pcm_hardware struct for
> the PCM driver that are related to this. Setting these fields in the PCM driver
> might suggest otherwise though, so rather not set them.
I suppose that makes sense; the data format is determined by the FIFO in
the DAI/controller, not the DMA engine that's pushing the data there
(unless DMA can do data conversions, though I think our HW can't?).
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
next prev parent reply other threads:[~2013-12-20 17:43 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-20 13:20 [PATCH 01/19] ASoC: atmel: Don't set unused struct snd_pcm_hardware fields Lars-Peter Clausen
2013-12-20 13:20 ` [PATCH 02/19] ASoC: au1x: " Lars-Peter Clausen
2013-12-20 15:24 ` Manuel Lauss
2013-12-21 14:24 ` Mark Brown
2013-12-20 13:20 ` [PATCH 03/19] ASoC: blackfin: " Lars-Peter Clausen
2013-12-24 11:54 ` Mark Brown
2013-12-20 13:20 ` [PATCH 04/19] ASoC: davinci: " Lars-Peter Clausen
2013-12-23 7:04 ` Peter Ujfalusi
2013-12-24 12:01 ` Mark Brown
2013-12-20 13:20 ` [PATCH 05/19] ASoC: ep93xx: " Lars-Peter Clausen
2013-12-30 13:59 ` Mark Brown
2013-12-20 13:20 ` [PATCH 06/19] ASoC: fsl: " Lars-Peter Clausen
2013-12-20 14:25 ` Timur Tabi
2013-12-20 14:04 ` Lars-Peter Clausen
2013-12-20 18:27 ` Mark Brown
2013-12-20 18:16 ` Lars-Peter Clausen
2013-12-20 13:20 ` [PATCH 07/19] ASoC: intel: " Lars-Peter Clausen
2013-12-20 13:20 ` [PATCH 08/19] ASoC: kirkwood: " Lars-Peter Clausen
2013-12-20 18:05 ` Jean-Francois Moine
2013-12-20 17:18 ` Lars-Peter Clausen
2013-12-20 19:13 ` Jean-Francois Moine
2013-12-20 18:29 ` Lars-Peter Clausen
2013-12-20 13:20 ` [PATCH 09/19] ASoC: mxs: " Lars-Peter Clausen
2013-12-20 13:20 ` [PATCH 10/19] ASoC: nuc900: " Lars-Peter Clausen
2013-12-20 13:20 ` [PATCH 11/19] ASoC: omap: " Lars-Peter Clausen
2013-12-22 17:19 ` Jarkko Nikula
2013-12-23 7:04 ` Peter Ujfalusi
2013-12-24 12:04 ` Mark Brown
2013-12-20 13:20 ` [PATCH 12/19] ASoC: mmp: " Lars-Peter Clausen
2013-12-30 13:59 ` Mark Brown
2013-12-20 13:20 ` [PATCH 13/19] ASoC: s6000: " Lars-Peter Clausen
2013-12-22 22:21 ` Daniel Glöckner
2013-12-24 12:02 ` Mark Brown
2013-12-20 13:20 ` [PATCH 14/19] ASoC: samsung: " Lars-Peter Clausen
2013-12-30 13:57 ` Mark Brown
2013-12-20 13:20 ` [PATCH 15/19] ASoC: sh: " Lars-Peter Clausen
2013-12-20 13:20 ` [PATCH 16/19] ASoC: tegra: " Lars-Peter Clausen
2013-12-20 17:43 ` Stephen Warren [this message]
2013-12-21 14:27 ` Mark Brown
2013-12-20 13:20 ` [PATCH 17/19] ASoC: txx9: " Lars-Peter Clausen
2013-12-30 13:58 ` Mark Brown
2013-12-20 13:20 ` [PATCH 18/19] ASoC: ux500: " Lars-Peter Clausen
2013-12-20 13:20 ` [PATCH 19/19] ASoC: soc-utils: " Lars-Peter Clausen
2013-12-30 13:56 ` Mark Brown
2014-01-04 18:15 ` [PATCH 01/19] ASoC: atmel: " Lars-Peter Clausen
2014-01-06 3:01 ` Bo Shen
2014-01-06 16:45 ` Mark Brown
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=52B481C7.2070509@wwwdotorg.org \
--to=swarren@wwwdotorg.org \
--cc=alsa-devel@alsa-project.org \
--cc=broonie@kernel.org \
--cc=lars@metafoo.de \
--cc=lgirdwood@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.