[alsa-devel] Sound issues with ALC269VB-based hardware

David Henningsson david.henningsson at canonical.com
Tue Jul 17 17:40:14 CEST 2012

On 07/17/2012 05:25 PM, Takashi Iwai wrote:
> At Tue, 17 Jul 2012 17:05:36 +0200,
> Takashi Iwai wrote:
>> At Tue, 17 Jul 2012 15:11:09 +0200,
>> Anisse Astier wrote:
>>> Hi,
>>> So I have this hardware that has a few issues (all tested with tiwai/sound for-next)
>>> Audio out/speakers:
>>>   - Audio does not work by default. It needs plugging a jack in either headphone or mic.
>>>   - disabling "Enable Automute" does make it work. But then it doesn't mute when jack is plugged (obviously).
>>> Mic:
>>>   - needs model=laptop-dmic so that working "Internal Mic 1" appears
>>>   - "Internal Mic" is useless.
>>>   - no jack sense, need to select manually "Internal Mic 1" or "Mic" (external) as Input Source
>>> Please find alsa-info.sh with and without model=laptop-dmic in attachement.
>> All sounds like that your BIOS setup is broken.
>> You have two internal mics on 0x12 and 0x19.  Judging from your
>> comment, the pin 0x12 seems bogus.
> BTW, this revealed a bug in the latest code.  Since phantom jack
> renaming, the account of ctl name index seems broken.  With this
> setup, the driver ended up with the duplicated internal mic phantom
> jack controls.
> So I applied the patch below now.

While the new checking is more robust, I fail to see how it happens, and 
what the phantom jacks have anything to do with it?
Both inputs and outputs should be sent to add_jack_kctl in type order, 
phantom or not.

David Henningsson, Canonical Ltd.

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