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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Stephen Warren <swarren@wwwdotorg.org>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
	Stephen Warren <swarren@nvidia.com>,
	"tiwai@suse.de" <tiwai@suse.de>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Laxman Dewangan <ldewangan@nvidia.com>,
	"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
	"lrg@ti.com" <lrg@ti.com>
Subject: Re: [PATCH] ASoC: tegra: use dmaengine based dma driver
Date: Mon, 2 Jul 2012 17:47:18 +0100	[thread overview]
Message-ID: <20120702164717.GH25093@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <4FF1D00D.6040402@wwwdotorg.org>


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On Mon, Jul 02, 2012 at 10:45:01AM -0600, Stephen Warren wrote:

> to work. No audio is heard, and aplay eventually exits with the
> following error message:

For values of eventually that will be about 10s by default.

> aplay: pcm_write:1603: write error: Input/output error

> I believe this means that the DMA simply isn't operating.

Yes, normally.

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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Stephen Warren <swarren@wwwdotorg.org>
Cc: Laxman Dewangan <ldewangan@nvidia.com>,
	"tiwai@suse.de" <tiwai@suse.de>,
	"perex@perex.cz" <perex@perex.cz>,
	Stephen Warren <swarren@nvidia.com>, "lrg@ti.com" <lrg@ti.com>,
	"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>
Subject: Re: [PATCH] ASoC: tegra: use dmaengine based dma driver
Date: Mon, 2 Jul 2012 17:47:18 +0100	[thread overview]
Message-ID: <20120702164717.GH25093@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <4FF1D00D.6040402@wwwdotorg.org>

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On Mon, Jul 02, 2012 at 10:45:01AM -0600, Stephen Warren wrote:

> to work. No audio is heard, and aplay eventually exits with the
> following error message:

For values of eventually that will be about 10s by default.

> aplay: pcm_write:1603: write error: Input/output error

> I believe this means that the DMA simply isn't operating.

Yes, normally.

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  reply	other threads:[~2012-07-02 16:47 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-29 11:34 [PATCH] ARM: tegra: apbio: use dmaengine based dma driver Laxman Dewangan
2012-06-29 11:34 ` Laxman Dewangan
     [not found] ` <1340969673-7776-1-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-06-29 11:34   ` [PATCH] ASoC: tegra: " Laxman Dewangan
2012-06-29 11:34     ` Laxman Dewangan
2012-06-29 17:02     ` Stephen Warren
     [not found]       ` <4FEDDF89.1050907-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-06-30 15:08         ` Laxman Dewangan
2012-06-30 15:08           ` Laxman Dewangan
     [not found]           ` <4FEF166D.2010705-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-07-02  8:25             ` Laxman Dewangan
2012-07-02  8:25               ` Laxman Dewangan
     [not found]               ` <4FF15B16.9020903-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-07-02 16:45                 ` Stephen Warren
2012-07-02 16:45                   ` Stephen Warren
2012-07-02 16:47                   ` Mark Brown [this message]
2012-07-02 16:47                     ` Mark Brown
2012-07-03  6:26                     ` Laxman Dewangan
     [not found]                     ` <20120702164717.GH25093-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2012-07-18  8:59                       ` Laxman Dewangan
2012-07-18  8:59                         ` Laxman Dewangan
     [not found]     ` <1340969673-7776-2-git-send-email-ldewangan-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2012-07-02 16:46       ` Stephen Warren
2012-07-02 16:46         ` Stephen Warren
     [not found]         ` <4FF1D083.7060207-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2012-07-03  6:29           ` Laxman Dewangan
2012-07-03  6:29             ` Laxman Dewangan
2012-07-03 10:09             ` Mark Brown
2012-07-03 19:07       ` Mark Brown
2012-07-03 19:07         ` Mark Brown

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