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Date:      Mon, 29 Oct 2012 18:46:47 +0200
From:      Alexander Motin <>
To:        Big Yuuta <>
Subject:   Re: No sound from speaker, using Realtek ALC269 and snd_hda
Message-ID:  <>
In-Reply-To: <>
References:  <> <> <> <> <> <> <> <> <> <>

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On 29.10.2012 18:35, Big Yuuta wrote:
> On Mon, Oct 29, 2012 at 5:07 PM, Alexander Motin <> wrote:
>> On 29.10.2012 17:44, Big Yuuta wrote:
>>> On Sun, Oct 28, 2012 at 10:34 PM, Alexander Motin <> wrote:
>>>> Also check that pin sensing is working. Try to plug in/out headphones.
>>>> With
>>>> verbose messages enabled, you should see messages about that on console
>>>> and
>>>> in logs.
>>> Pin sensing works fine. I tested it and whenever I plug the headphone in,
>>> I can hear the sound from the headphone, and I have this output
>>> on the console:
>>> hdaa0: Pin sense: nid=26 sence=0x80000000 (connected)
>>> pcm0: Redirect output to: headphones
>>> hdaa0: Pin sense: nid=26 sence=0x00000000 (disconnected)
>>> pcm0: Redirect output to: main
>>> I think the redirection works, but nid20 is not well set? Is "main" here
>>> the 1st nid of the association? i.e. nid20 which has seq=0?
>> Not necessary the seq=0, as it can be multichannel output, but in this case
>> -- yes.
>>> I hope I'm not bothering you with my questions, and again thanks
>>> a lot for all your work, patience, and help!
>> Unfortunately I am almost run out of ideas. Neither Linux nor audio/oss
>> seems have specific code for your system. That makes me think that problem
>> is in some different basic assumptions in the drivers. But that doesn't give
>> any hint to find it out.
>> You may try to play with setting different levels of ivref/ovref voltages
>> via hint.hdaa.0.config tunable. I haven't even seen it affecting power
>> amplifier, but who knows...
> Thank you, Alexander! :)
> In fact, this netbook works very fine with audio/oss from ports.
> My only problem with audio/oss is that whenever I skip (seek) in a
> video or an audio file, freebsd crashes and reboots.
> I know it's a problem with mplayer + oss, because, mplayer
> with snd_hda works (except speaker) and oss + vlc works
> But I like mplayer more than vlc ;)

I don't have plans to support audio/oss, but I would be interested to 
diagnose this issue with snd_hda. Unfortunately, I am not sure what else 
can I do now without access to the hardware for low-level debugging. If 
somebody with the same netbook and the same problem appears at MeetBSD 
California or otherwise in San Jose in following days, I would be glad 
to look. Other problematic sound hardware is also welcome.

Alexander Motin

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