18.04 No sound - Intel sound card snd_hda_intel not working

Question

$ aplay -l

**** List of PLAYBACK Hardware Devices ****
card 1: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


$ cat /proc/asound/modules

1 snd_hda_intel

$ lspci -v | grep -A7 -i "audio"

00:1f.3 Multimedia audio controller: Intel Corporation Cannon Lake PCH cAVS (rev 10)
    Subsystem: Dell Device 0949
    Flags: bus master, fast devsel, latency 32, IRQ 16
    Memory at a5318000 (64-bit, non-prefetchable) [size=16K]
    Memory at a5000000 (64-bit, non-prefetchable) [size=1M]
    Capabilities: <access denied>
    Kernel driver in use: snd_soc_skl
    Kernel modules: snd_hda_intel, snd_soc_skl, sof_pci_dev


01:00.1 Audio device: NVIDIA Corporation GP107GL High Definition Audio Controller (rev a1)
    Flags: bus master, fast devsel, latency 0, IRQ 17
    Memory at a3080000 (32-bit, non-prefetchable) [size=16K]
    Capabilities: <access denied>
    Kernel driver in use: snd_hda_intel
    Kernel modules: snd_hda_intel

Solution

You will need to add an option on GRUB.

To edit grub options:

sudo nano /etc/default/grub

Find GRUB_CMDLINE_LINUX_DEFAULT and add snd_hda_intel.dmic_detect=0 to the end of it. It will look something like this:

GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3 snd_hda_intel.dmic_detect=0"

Then rebuild grub menu:

sudo grub-mkconfig -o /boot/grub/grub.cfg

After you reboot the system the device should work.

Comments

[david R]

Thank You! It worked perfectly.

[Alex Punnen]

Wont this basically disable the HD drivers for input ?