try mute the right channel of Cature Switch if the left and right of
digital mic is out of phase
Simple mixer control 'Capture',0
Capabilities: cvolume cswitch penum
Capture channels: Front Left - Front Right
Limits: Capture 0 - 31
Front Left: Capture 0 [0%] [-16.50dB] [on]
Front Right: Capture 0 [0%] [-16.50dB] [off]
!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------
00:1b.0 0403: 8086:27d8 (rev 02)
Subsystem: 1025:034a
your PB notebook SSISD 0x1025:0x034a seem same as Gateway LT27 which have
inveted digital mic
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=1801928e0f99d94c55e33c584c5eb2ff5e246ee6
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https://bugs.launchpad.net/bugs/1245340
Title:
Internal michrophone works only in System testing
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