From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: ANISH KUMAR <anish.singh@samsung.com>
Cc: "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>
Subject: Re: ALSA DMIX support without MMAP ?
Date: Wed, 13 Jan 2010 11:27:28 +0000 [thread overview]
Message-ID: <20100113112727.GA23853@sirena.org.uk> (raw)
In-Reply-To: <22118431.247131263375996658.JavaMail.weblogic@epml17>
On Wed, Jan 13, 2010 at 09:46:36AM +0000, ANISH KUMAR wrote:
> Problem is when i am trying to use dmix plugin i am not getting any sound (logs shown below).Is it because i don't have mmap mode support on my device???
mmap is supported by the Samsung drivers.
> If yes then can't dmix work without mmap mode??? Logs shown below:
>
> Entered s3c24xx_pcm_hw_params,
> Entered s3c24xx_pcm_hw_params, line 330
> Entered s3c24xx_pcm_mmap
> Entered s3c24xx_pcm_prepare
> Entered s3c24xx_pcm_enqueue
> Entered s3c24xx_pcm_trigger
> Entered s3c24xx_pcm_pointer
> Entered s3c24xx_pcm_pointer res_value[0]
> snd_pcm_update_hw_ptr_pos xun: [0]occured XRUN!
This looks like the dmix data rates are getting out of sync with what
the hardware is doing. Enabling CONFIG_SND_PCM_XRUN_DEBUG will produce
more diagnostic information from the driver side.
next prev parent reply other threads:[~2010-01-13 11:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-13 9:46 ALSA DMIX support without MMAP ? ANISH KUMAR
2010-01-13 11:27 ` Mark Brown [this message]
[not found] <0KW800IYGE3P07@ms13.samsung.com>
2010-01-14 9:55 ` Mark Brown
-- strict thread matches above, loose matches on Subject: below --
2010-01-14 10:30 ANISH KUMAR
2010-01-14 10:37 ` Jaroslav Kysela
2010-01-15 12:07 ANISH KUMAR
2010-01-15 13:37 ` Mark Brown
2010-01-18 3:25 ANISH KUMAR
2010-01-18 11:01 ` Mark Brown
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