According to the log in #3 and in #7, it is really an audio issue. The
HDA controller can't access the analogue codec. This is a valid bug.
This is the log (#3) that shows HDA controller get wrong info from analogue
codec:
Node 0x17 [Pin Complex] wcaps 0x40058d: Stereo Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x80 0x80]
Pincap 0x0000001c: OUT HP Detect
Pin Default 0x90070100: [Fixed] Line Out at Int N/A
this is the log (#7) that shows HDA controller get wrong info from analogue
codec:
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
State of AFG node 0x01:
Power states: D0 D1 D2 D3 D3cold CLKSTOP EPSS
Power: setting=D0, actual=D0
Invalid AFG subtree
** Changed in: linux-signed-hwe-5.4 (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1913014
Title:
No audio on XPS 13 9370
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