[SRU][B/OEM-B/C/D/E][PATCH 0/1] hda/realtek: can't detect external mic on a Dell machine

Hui Wang hui.wang at canonical.com
Tue Jul 16 14:28:58 UTC 2019

BugLink: https://bugs.launchpad.net/bugs/1836755

This patch is needed to be merged to oem-b kernel ASAP, since
our oem project is waiting for this patch.

The external can't be detected when plugging headset in the
front audio jack.

apply the alc891 fixup to set headset-mic and headpphone-mic pins.

[Test Case]
apply this patch and boot with the kernel, plug the headset-mic
and choose headset-mic from popup dialogue, the headset-mic can
record sound very well.

[Regression Risk]
Low. this patch is specific to a dell machine by pin configuration

Hui Wang (1):
  ALSA: hda/realtek: apply ALC891 headset fixup to one Dell machine

 sound/pci/hda/patch_realtek.c | 5 +++++
 1 file changed, 5 insertions(+)


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