[alsa-devel] Dell N5110 HDA External Speaker is mute

[Cefn Hoile]

Thanks for your interest, Takashi.

The alsa disgnostic script output was already linked (but a bit hidden
in all the noise) in the downstream bug report...

http://www.alsa-project.org/db/?f=039be3036a03f707edc130bbc63b5063619e5755

Cefn
http://cefn.com

On 12 January 2012 10:32, Takashi Iwai <tiwai at suse.de> wrote:
> At Wed, 11 Jan 2012 00:56:18 +0000,
> Cefn Hoile wrote:
>>
>> I'd like to report an issue experienced with the latest Oneiric, Dell
>> N5110, and IDT STAC92HD87 which has been explored through quite a few
>> steps already, and seems to have bottomed out to a set of
>> pins/controls/flags which are not being properly managed in order to
>> toggle speaker activation when a headphone is inserted.
>>
>> So far, I haven't heard sound from my speakers at all, although within
>> Alsamixer, the Speaker volume is visibly toggled from 100% to MM
>> (mute) on headphone insertion.
>>
>> I've tried every model against snd-hda-intel, many different other
>> options, and started to explore the HDA Analyzer, which includes
>> controls named like this...
>>
>> Node 0x13 [Audio Output] wcaps 0xd0c05: Stereo Amp-Out R/L
>>   Device: name="STAC92xx Analog", type="Audio", device=0
>>   Control: name="Speaker Playback Volume", index=0, device=0
>>     ControlAmp: chs=3, dir=1, idx=0, ofs=63
>>   Control: name="Speaker Playback Switch", index=0, device=0
>>     ControlAmp: chs=3, dir=1, idx=0, ofs=0
>>   Amp-Out caps: ofs=0x7f, nsteps=0x7f, stepsize=0x02, mute=1
>>   Amp-Out vals: [0x7f 0x7f]
>>   Converter: stream=5, channel=0
>>   Power: setting=D0, actual=D0
>>   Delay: 13 samples
>>
>> ...but toggling these checkboxes within the HDA Analyzer gui doesn't
>> trigger any sound from the speakers either. It could be a rich
>> combination of the very many checkboxes and sliders which are revealed
>> by the Analyzer, but I don't really know where to start. The bug
>> information downstream is here...
>>
>> https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/914290
>>
>> I'd really welcome suggestions for what else to try and happy to
>> invest time exploring options to try and make ALSA better still.
>
> Could you give alsa-info.sh output for checking the mixer and register
> states?
>
>
> Takashi