Lenovo Yoga C940 no sound

[carolosf]

There is another thread with the same problem I am having - posted a fix in the thread below:

New installation no sound (Swift 5 i7-1065GT Iris Plus)

On the page for sof version 1.3 there are three similar driver. One has “signed-intel” which I’ve used here, still fails: $ sudo dmesg | grep -i audio Password: [ 1.178283] calling sof_nocodec_audio_init+0x0/0x1000 [snd_sof_nocodec] @ 399 [ 1.178315] initcall sof_nocodec_audio_init+0x0/0x1000 [snd_sof_nocodec] returned 0 after 28 usecs [ 1.187724] sof-audio-pci 0000:00:1f.3: warning: No matching ASoC machine driver found [ 1.187727] sof-audio-pci 0000:00:1f.3: DSP detected with P…