[alsa-devel] PROBLEM: [Lenovo ThinkPad X61s] Speaker volume mutes itself in random intervals after upgrading from 3.11 to 3.15.

Alex Fedora alexander.fedora at gmail.com
Mon Jun 2 11:49:16 CEST 2014


On 06/02/2014 02:15 AM, Takashi Iwai wrote:
> At Mon, 02 Jun 2014 01:55:16 -0700,
> Alex Fedora wrote:
>> On 06/02/2014 01:03 AM, Takashi Iwai wrote:
>>> At Sat, 31 May 2014 23:54:26 -0700,
>>> Alex Fedora wrote:
>>>> Hi,
>>>>
>>>> Please see problem description below. I've captured alsa info output for
>>>> the latest kernel. Kernel just before the regression. And info from the
>>>> kernel with the offending commit. But I had to calculate diff from first
>>>> one to fit to 100K limit. If you want, I can send all 3 files as an
>>>> attachments. Also the latest version of the kernel was took from
>>>> http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/linux-image-3.15.0-999-generic_3.15.0-999.201405310205_amd64.deb
>>>> .
>>>>
>>>> Thank you,
>>>> Alex
>>>>
>>>> [1.] One line summary of the problem: [Lenovo ThinkPad X61s] Speaker
>>>> volume mutes itself in random intervals after upgrade to latest kernel
>>>> [2.] Full description of the problem/report:
>>>>
>>>> Speaker mutes itself in random intervals. Headphones are working fine at
>>>> that moment. I can see what volume of the Speaker drops to 0% and then
>>>> back to 100% using alsamixer. It seems like Internal Mic Boost also
>>>> jumps from 100% to 0% and back. It is regression from
>>>> 5ccc618fee67f0f0b2122dd4b32a02fd2b6a1569 (ALSA: hda - Remove static
>>>> quirks for AD1884/1984 & variants). I've tested previous commit
>>>> aa95d61b43e0fcb0b2ce68e5efa37174fd9e5cd3 (ALSA: hda - Remove static
>>>> quirks for AD1882) and audio works as expected.
>>>>
>>>> New kernel shows two controls "Headphone Playback Volume" and "Speaker
>>>> Playback Volume". But old one shows single control "PCM Playback
>>>> Volume". "Speaker Playback Volume" is the one which gets muted randomly.
>>> Are you using PulseAudio?  If yes, does the problem happen without PA?
>>> This kind of random mute/unmute tends to be an issue of bogus
>>> headphone or mic jack detection.
>>>
>>>
>>> Takashi
>>>
>> Hi Takashi,
>>
>> Yes, I'm using  PulseAudio. I've removed it and issue gone away. It
>> returned back after reinstalling it. This is still driver bug, right?
> Yes.  So PA seems confused by some bogus information by the driver.
>
> Try to run "alsactl monitor 0", maybe better without PA at first.
> Do you see occasional events about the jack detection even if you
> don't plug/unplug?  And, try it also with PA.
>
>
> Takashi
>
Yes, I can see a lot of events even if I don't plug/unplug anything. 
Even more if I'm using PA.

No pulseaudio:

card 0, #22 (0,0,0,Mic Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #22 (0,0,0,Mic Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #22 (0,0,0,Mic Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #22 (0,0,0,Mic Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #22 (0,0,0,Mic Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #22 (0,0,0,Mic Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #22 (0,0,0,Mic Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #22 (0,0,0,Mic Jack,0) VALUE
card 0, #22 (0,0,0,Mic Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE

Pulseaudio:

card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #23 (0,0,0,Headphone Jack,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #3 (2,0,0,Speaker Playback Volume,0) VALUE
card 0, #4 (2,0,0,Speaker Playback Switch,0) VALUE


Thank you,
Alex


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