Lenovo IdeaPad Yoga 13: Inverted Internal microphone (phase inversion)
As per this meta-bug:
Reporting for Lenovo IdeaPad Yoga 13. Inverted channel is visible when recording stereo in audacity. Mono recording via pulseaudio gives silence with occasional cracks somewhat corresponding to the sound level around. Skype and pavucontrol level gauges are also affected.
Changes in balance in pavucontrol do not help with mono recording, I don't know why.
I'm attaching two patches against oem-audio-
Output of alsa-info.sh is also attached.
|David Henningsson (diwic) wrote : [PATCH] ALSA: hda - Fix inverted internal mic not indicated on some machines||#8|
|Changed in alsa-driver (Ubuntu):|
|status:||In Progress → Fix Committed|