From: Lee Revell <rlrevell@joe-job.com>
To: K.Fetscher@t-online.de
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: New ALSA Driver
Date: Tue, 08 Mar 2005 15:59:02 -0500 [thread overview]
Message-ID: <1110315542.5982.1.camel@mindpipe> (raw)
In-Reply-To: <200503082146.24634.k.fetscher@fetron.de>
On Tue, 2005-03-08 at 21:46 +0100, K.Fetscher@t-online.de wrote:
> When I start playing a song with aplay, ALSA calls hw_params(..), prepare(..)
> and trigger(..) with command SNDRV_PCM_TRIGGER_START. After that, all stops
> until I make a CTRL C (after that, it terminates with hw_free and close). Is
> it correct, that runtime->dma_addr is 0 (runtime->size is 1000 and
> runtime->period is 400) ?
>
No. It sounds like the DMA is not being properly started in the
trigger() callback.
Can you post a link to your code? It's impossible to say what could be
wrong without seeing the source.
Lee
-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
next prev parent reply other threads:[~2005-03-08 20:59 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-08 20:46 New ALSA Driver K.Fetscher
2005-03-08 20:59 ` Lee Revell [this message]
2005-03-08 21:26 ` James Courtier-Dutton
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=1110315542.5982.1.camel@mindpipe \
--to=rlrevell@joe-job.com \
--cc=K.Fetscher@t-online.de \
--cc=alsa-devel@lists.sourceforge.net \
/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.