From: Lee Revell <rlrevell@joe-job.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: alsa-devel@alsa-project.org, Takashi Iwai <tiwai@suse.de>,
Johannes Berg <johannes@sipsolutions.net>
Subject: Re: No snd_pcm_resume_all() ?
Date: Mon, 17 Apr 2006 21:20:07 -0400 [thread overview]
Message-ID: <1145323208.16138.119.camel@mindpipe> (raw)
In-Reply-To: <1145321918.4705.4.camel@localhost.localdomain>
On Tue, 2006-04-18 at 10:58 +1000, Benjamin Herrenschmidt wrote:
> It appears that Alsa expects the streams to be resumed via some
> userland
> initiated ioctl, which for some reason is never called on my machine.
> What is the rationale there ? it's userland that is expected to
> save/restore hardware state ? That doesn't really match the linux PM
> model at this point and it seems that Alsa userland isn't notified of
> suspend/resume at least on powermacs.
The app is expected to handle this by resetting the stream, the same way
you would handle an xrun.
What sound app(s) are you testing with?
Lee
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next prev parent reply other threads:[~2006-04-18 1:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-18 0:58 No snd_pcm_resume_all() ? Benjamin Herrenschmidt
2006-04-18 1:20 ` Lee Revell [this message]
2006-04-18 1:27 ` Benjamin Herrenschmidt
2006-04-18 1:36 ` Lee Revell
2006-04-18 1:45 ` Lee Revell
2006-04-18 2:13 ` Benjamin Herrenschmidt
2006-04-18 2:12 ` Benjamin Herrenschmidt
2006-04-18 13:12 ` Takashi Iwai
2006-04-18 17:55 ` Johannes Berg
2006-04-18 18:05 ` Takashi Iwai
2006-04-18 18:06 ` Johannes Berg
2006-04-18 18:10 ` Takashi Iwai
2006-04-18 18:12 ` Johannes Berg
2006-04-18 18:25 ` Takashi Iwai
2006-04-18 18:40 ` Johannes Berg
2006-04-18 18:54 ` Takashi Iwai
2006-04-18 19:27 ` Jaroslav Kysela
2006-04-18 20:59 ` Benjamin Herrenschmidt
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