No Sound on Laptop

[Ralf Mardorf]

On Tue, 19 Oct 2021 23:55:31 +0530, nitin chandra wrote:
>$ aplay -l
>**** List of PLAYBACK Hardware Devices ****
>card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0

This is similar to the Intel related output I get, since I
explicitly disabled the audio controller by the BIOS settings.

You can take a look at the BIOS settings, maybe you need to enable
the audio controller, but much likely it's
https://github.com/thesofproject/linux/issues/2955 .