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#1 2021-10-13 17:34:27

nachasic
Member
Registered: 2021-10-13
Posts: 1

Dell XPS 17 (9710) Internal mic doesn't work

Kernel 5.15.0-rc4-next-20211011-1-next-git
Sound works fine except for microphone - I've gone through the diagnostics procedures described in the wiki, still have no idea what's wrong.

$ arecord -l                                                               
**** List of CAPTURE Hardware Devices ****
card 0: sofsoundwire [sof-soundwire], device 1: Jack In (*) []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: sofsoundwire [sof-soundwire], device 4: Microphone (*) []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
$ cat /proc/asound/modules                                                   
 0 snd_soc_sof_sdw
$ lspci -v | grep -A7 -i "audio"                                       
00:1f.3 Multimedia audio controller: Intel Corporation Tiger Lake-H HD Audio Controller (rev 11)
	Subsystem: Dell Device 0a5d
	Flags: bus master, fast devsel, latency 64, IRQ 203
	Memory at 618d1d8000 (64-bit, non-prefetchable) [size=16K]
	Memory at 618d000000 (64-bit, non-prefetchable) [size=1M]
	Capabilities: [50] Power Management version 3
	Capabilities: [80] Vendor Specific Information: Len=14 <?>
	Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
	Kernel driver in use: sof-audio-pci-intel-tgl
	Kernel modules: snd_hda_intel, snd_sof_pci_intel_tgl

00:1f.4 SMBus: Intel Corporation Tiger Lake-H SMBus Controller (rev 11)
	Subsystem: Dell Device 0a5d
	Flags: medium devsel, IRQ 16
	Memory at 618d1e4000 (64-bit, non-prefetchable) [size=256]
	I/O ports at efa0 [size=32]

I'm new to Arch, so any advice on how to find out what's wrong/fix it is very welcome. Thanks in advance!

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#2 2021-10-21 18:22:31

wzrdtales
Member
Registered: 2017-03-14
Posts: 55

Re: Dell XPS 17 (9710) Internal mic doesn't work

I had also microphone issues, which got fixed by the discussion here: https://github.com/thesofproject/linux/ … -919171839

You can try to do the same I did which made it magically working for the mic


execute

alsamixer -Dhw:1

play with the rt715 (just move them up and down)

exit and reboot

now execute again

alsamixer -Dhw:1

This procedure for some reason made new rt715 switches appear for me which allowed me to make the mic workable.

And btw. alsamixer is included in alsa-utils I think shouldn't  you have it installed yet.

Last edited by wzrdtales (2021-10-21 18:22:46)

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