but Vendor Id: 0x14f1506e identify CX20590
you need PCI SSID 17aa:3977 or codec SSID 0x17aaa001 to identify your
Lenovo IdeaPad Yoga 13
Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------
00:1b.0 0403: 8086:1e20 (rev 04)
Subsystem: 17aa:3977
!!HDA-Intel Codec information
!!-----------
Codec: Conexant CX20590
Address: 0
AFG Function Id: 0x1 (unsol 1)
Vendor Id: 0x14f1506e
Subsystem Id: 0x17aaa001
Revision Id: 0x100003
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1239392
Title:
Lenovo IdeaPad Yoga 13: Inverted Internal microphone (phase inversion)
Status in “alsa-driver” package in Ubuntu:
New
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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1239392/+subscriptions
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