[alsa-devel] Kernel 3.2, and "speaker" controlling headphone path

It seems like on one machine the "Speaker Playback Volume" was part of the headphone path, in combination with PulseAudio this is leading to muted headphones.

One of my colleagues wrote a workaround for that specific machine - I'm providing links in case you're interested:

The patch: https://launchpadlibrarian.net/109499922/restrict_bass.patch

Alsa-info: https://launchpadlibrarian.net/109251353/bad-kernel-yes-headphones.txt

Bug link: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/994685