[Expired for linux-firmware (Ubuntu) because there has been no activity
for 60 days.]
** Changed in: linux-firmware (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1959681
Title:
mic not working on HP-EliteBook-830-G7
Status in linux-firmware package in Ubuntu:
Expired
Status in linux-firmware source package in Bionic:
Expired
Status in linux-firmware source package in Focal:
Expired
Bug description:
There is no audio input from the built-in mic available on Bionic &
Focal on certain intel audio hw (00:1f.3 Multimedia audio controller
[0401]: Intel Corporation Device [8086:02c8]) despite trying different
kernel cmdline options (snd_hda_intel.dmic_detect=0 or
snd_intel_dspcfg.dsp_driver=1).
The behavior was similar on Bionic and Focal - no mic listed in
alsa/pulseaudio mixers. Additionally the following can be found in the kernel
log:
sof-audio-pci 0000:00:1f.3: Digital mics found on Skylake+ platform, using
SOF driver
sof-audio-pci 0000:00:1f.3: enabling device (0000 -> 0002)
sof-audio-pci 0000:00:1f.3: warning: No matching ASoC machine driver found
The situation is different on impish - on this release the mic is
available out of the box.
I made a simple test of overwriting sof files inside Focal's linux-
firmware package with the contents of firmware-sof-signed package from
impish finding it solved the issue without any trace of errors in the
logs.
The same approach did not work on Bionic (despite similar kernel versions
used in both 5.4.0) - due to HWE). These are some excerpts from Bionic
launching impish SOF firmware:
sof-audio-pci 0000:00:1f.3: Firmware: ABI 3:17:0 Kernel ABI 3:10:0
sof-audio-pci 0000:00:1f.3: warn: FW ABI is more recent than kernel
sof-audio-pci 0000:00:1f.3: firmware boot complete
sof-audio-pci 0000:00:1f.3: Topology: ABI 3:17:0 Kernel ABI 3:10:0
sof-audio-pci 0000:00:1f.3: warn: topology ABI is more recent than kernel
sof-audio-pci 0000:00:1f.3: warning: widget type 7 name iDisp3 Tx not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 0 name codec0_in not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 7 name iDisp2 Tx not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 0 name codec1_in not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 7 name iDisp1 Tx not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 1 name codec0_out not
handled
sof-audio-pci 0000:00:1f.3: warning: widget type 7 name Analog CPU Playback
not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 1 name codec1_out not
handled
sof-audio-pci 0000:00:1f.3: warning: widget type 7 name Digital CPU Playback
not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 0 name codec2_in not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 7 name Alt Analog CPU
Playback not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 1 name codec2_out not
handled
sof-audio-pci 0000:00:1f.3: warning: widget type 0 name Analog CPU Capture
not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 1 name iDisp1_out not
handled
sof-audio-pci 0000:00:1f.3: warning: widget type 0 name Digital CPU Capture
not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 1 name iDisp2_out not
handled
sof-audio-pci 0000:00:1f.3: warning: widget type 0 name Alt Analog CPU
Capture not handled
sof-audio-pci 0000:00:1f.3: warning: widget type 1 name iDisp3_out not
handled
[ Test Plan ]
1. Launch Ubuntu desktop on affected hardware.
2. Open audio mixer (e.g. pulsemixer).
3. Look for built-in audio input (e.g. Built-in Audio Analog Stereo).
Expected result:
Built-in mic is available for use.
Actual result:
Built-in mic is missing.
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