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From: Jean-Francois Moine <moinejf@free.fr>
To: Lars-Peter Clausen <lars@metafoo.de>
Cc: alsa-devel@alsa-project.org, Mark Brown <broonie@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>
Subject: Re: [PATCH 08/19] ASoC: kirkwood: Don't set unused struct snd_pcm_hardware fields
Date: Fri, 20 Dec 2013 19:05:06 +0100	[thread overview]
Message-ID: <20131220190506.2adb7a52@armhf> (raw)
In-Reply-To: <1387545625-19240-8-git-send-email-lars@metafoo.de>

On Fri, 20 Dec 2013 14:20:14 +0100
Lars-Peter Clausen <lars@metafoo.de> 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.
> 
> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
> Cc: Jean-Francois Moine <moinejf@free.fr>
> ---
>  sound/soc/kirkwood/kirkwood-dma.c | 16 ----------------
>  1 file changed, 16 deletions(-)
> 
> diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
> index 4af1936..aac22fc 100644
> --- a/sound/soc/kirkwood/kirkwood-dma.c
> +++ b/sound/soc/kirkwood/kirkwood-dma.c
	[snip]
> @@ -43,12 +33,6 @@ static struct snd_pcm_hardware kirkwood_dma_snd_hw = {
>  		 SNDRV_PCM_INFO_MMAP_VALID |
>  		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
>  		 SNDRV_PCM_INFO_PAUSE),
> -	.formats		= KIRKWOOD_FORMATS,
> -	.rates			= KIRKWOOD_RATES,
> -	.rate_min		= 8000,
> -	.rate_max		= 384000,
> -	.channels_min		= 1,
> -	.channels_max		= 8,
>  	.buffer_bytes_max	= KIRKWOOD_SND_MAX_BUFFER_BYTES,
>  	.period_bytes_min	= KIRKWOOD_SND_MIN_PERIOD_BYTES,
>  	.period_bytes_max	= KIRKWOOD_SND_MAX_PERIOD_BYTES,

Lars,

You removed too many things. The 'formats' field is mandatory.

-- 
Ken ar c'hentañ	|	      ** Breizh ha Linux atav! **
Jef		|		http://moinejf.free.fr/
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  reply	other threads:[~2013-12-20 18:05 UTC|newest]

Thread overview: 50+ 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 [this message]
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
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
  -- strict thread matches above, loose matches on Subject: below --
2013-12-30 19:42 [PATCH 08/19] ASoC: kirkwood: " Jean-Francois Moine
2014-01-01 20:10 ` Lars-Peter Clausen
2014-01-02 11:53   ` Mark Brown

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