From: Takashi Iwai <tiwai@suse•de>
To: Benjamin Herrenschmidt <benh@kernel•crashing.org>
Cc: linuxppc-dev list <linuxppc-dev@ozlabs•org>,
Johannes Berg <johannes@sipsolutions•net>,
"debian-powerpc@lists•debian.org"
<debian-powerpc@lists•debian.org>
Subject: Re: [PATCH] pmac: sound support for latest laptops
Date: Thu, 14 Apr 2005 18:18:17 +0200 [thread overview]
Message-ID: <s5hfyxte3hy.wl@alsa2.suse.de> (raw)
In-Reply-To: <1113484515.5516.100.camel@gaston>
At Thu, 14 Apr 2005 23:15:14 +1000,
Benjamin Herrenschmidt wrote:
>
> On Thu, 2005-04-14 at 14:55 +0200, Johannes Berg wrote:
> > Hi,
> >
> > > This patch hacks the current Alsa snd-powermac driver to add support for
> > > recent machine models with the tas3004 chip, that is basically new
> > > laptop models.
> >
> > So this works, but is incompatible with gstreamer. I took it with a
> > rhythmbox/gstreamer developer and he said that it's a driver issue. A
> > gstreamer log is here:
> > http://johannes.sipsolutions.net/files/rhythmbox-alsa-debug
> > (produced by GST_DEBUG=alsa*:5 rhythmbox 2>&1 | tee logfile)
> >
> > He also asked me to try
> > $ gst-launch-0.8 sinesrc ! alsasink device=hw:0
> >
> > which yields:
> > RUNNING pipeline ...
> > ERROR: pipeline doesn't want to play.
> >
> > So the conclusion was:
> > "set_periods_near ioctl does something weird"
> >
> > Any ideas?
>
> I don't know, this is definitely not a problem with the platform
> specific part of the driver, which is what I've been dealin with lately.
> You may find a better answer with the Alsa folks regarding the actual
> PCM implementation.
Could you try the very latest CVS alsa-lib?
(Maybe you'll need to wait until tomorrow for sync with anon tree.)
In the latest version, alsa-lib will show verbose messages to stderr
when $LIBASOUND_DEBUG is set.
Takashi
prev parent reply other threads:[~2005-04-14 16:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-10 6:16 [PATCH] pmac: sound support for latest laptops Benjamin Herrenschmidt
2005-04-10 8:37 ` Antonio-M. Corbi Bellot
2005-04-11 14:46 ` Takashi Iwai
2005-04-11 15:07 ` Johannes Berg
2005-04-11 15:21 ` Takashi Iwai
2005-04-12 0:04 ` Benjamin Herrenschmidt
2005-04-14 12:55 ` Johannes Berg
2005-04-14 13:15 ` Benjamin Herrenschmidt
2005-04-14 13:20 ` Johannes Berg
2005-04-14 16:18 ` Takashi Iwai [this message]
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