linux-kernel - Re: [alsa-devel] Headphone output doesn't work with 3.0.0-rc* anymore

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Date:	Thu, 9 Jun 2011 11:28:26 +0200
From:	Michal Hocko <mhocko@...e.cz>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	LKML <linux-kernel@...r.kernel.org>, alsa-devel@...a-project.org
Subject: Re: [alsa-devel] Headphone output doesn't work with 3.0.0-rc* anymore

On Thu 09-06-11 11:20:04, Takashi Iwai wrote:
> At Thu, 9 Jun 2011 11:06:07 +0200,
> Michal Hocko wrote:
> > 
> > On Thu 09-06-11 10:56:16, Michal Hocko wrote:
> > > On Thu 09-06-11 08:09:18, Takashi Iwai wrote:
> > > > At Wed, 8 Jun 2011 19:48:55 +0200,
> > [...]
> > > > Thanks, that's helpful.
> > > > As a quirk solution, could you try to pass model=auto option to
> > > > snd-hda-intel module?
> > > 
> > > Headphones work now but speakers are quite... I have tried to play
> > > with Headphone and Speaker controls in alsamixer but no changes.
> > > 
> > > Here is what I get in logs when the module is loaded:
> > > [ 5320.360277] HDA Intel 0000:00:1b.0: PCI INT A disabled
> > > [ 5326.920247] HDA Intel 0000:00:1b.0: power state changed by ACPI to D0
> > > [ 5326.920262] HDA Intel 0000:00:1b.0: power state changed by ACPI to D0
> > > [ 5326.920279] HDA Intel 0000:00:1b.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
> > > [ 5326.920375] HDA Intel 0000:00:1b.0: irq 42 for MSI/MSI-X
> > > [ 5326.920405] HDA Intel 0000:00:1b.0: setting latency timer to 64
> > > [ 5326.981085] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input18
> > > [ 5326.981262] input: HDA Intel Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input19
> > > [ 5326.987934] input: HDA Intel Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input20
> > > 
> > > [maybe not important but input numbers are increasing for every new load]
> > > 
> > > There is another strange thing. After I stop mplayer and wait for some
> > > time (~1min) I can hear a "click" sound and then there is no sound at
> > > all... If I start mplayer in the meantime it just works...
> > > If I try to remove the module and load it again then things work and stop
> > > working after first playback again.
> > 
> > And I have just found out that I do not have to start any playback to
> > see this. It is sufficient to load the module and wait a minute and
> > there is no sound at all (both from speakers or headphones).
> 
> OK, could you give alsa-info.sh outputs at both working and
> non-working states?

Sure. Attached. The only change seems to be:
 Node 0x02 [Audio Output] wcaps 0x11: Stereo
   Device: name="ALC262 Analog", type="Audio", device=0
-  Converter: stream=5, channel=0
+  Converter: stream=0, channel=0

-- 
Michal Hocko
SUSE Labs
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic

View attachment "alsa-info.txt-working" of type "text/plain" (31694 bytes)

View attachment "alsa-info.txt-not-working" of type "text/plain" (31695 bytes)