Ubuntu
alsa-driver package

  1. Bug #1840725
  2. Comment #47

Comment 47 for bug 1840725

Revision history for this message
Rose (ixhs) wrote :

Thinkpad T480 here. Internal microphone worked just a few days ago, I think a kernel upgrade may have triggered it to stop.

Linux satori 5.6.4-arch1-1 #1 SMP PREEMPT Mon, 13 Apr 2020 12:21:19 +0000 x86_64 GNU/Linux

[*] Laptop speakers work
[ ] Internal microphone does not work

$ dmesg | grep snd_

[ 4.156951] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[ 4.336616] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC257: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[ 4.336619] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 4.336621] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
[ 4.336622] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0
[ 4.336623] snd_hda_codec_realtek hdaudioC0D0: inputs:
[ 4.336625] snd_hda_codec_realtek hdaudioC0D0: Mic=0x19
[ 4.336626] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x12

$ arecord -l

**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC257 Analog [ALC257 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0