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Message #30162
[Bug 1239392] Re: Lenovo IdeaPad Yoga 13: Inverted Internal microphone (phase inversion)
** Branch linked: lp:ubuntu/saucy-proposed/linux-exynos5
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https://bugs.launchpad.net/bugs/1239392
Title:
Lenovo IdeaPad Yoga 13: Inverted Internal microphone (phase inversion)
Status in “linux” package in Ubuntu:
Fix Committed
Bug description:
As per this meta-bug:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1002978
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-hda-daily-
dkms-0.201310111402~ubuntu13.10.1 (https://launchpad.net/~ubuntu-
audio-dev/+archive/alsa-daily); either of them fixes the problem for
me (the -alt one may affect other hardware, though). No additional
steps were needed after applying a patch, building and installing the
package.
Output of alsa-info.sh is also attached.
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