I'm running debian stretch on sony VPCSA36GG and the audio mostly doesnt work. It would randomly start working on restarting the laptop (its rare tho). Note that I had the same problem when I has windows 10 on the system. Other details :

abhishek1994@abhishek1994:~$ lspci | grep Audio

00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)

So far I've tried using "alsamixer" in cmdl, that didnt help, plugging in external speakers/headphones doesnt help either. Nor do bluetooth headphones.

I have also installed pulseaudio. The following command returns nothing.

pulseaudio --log-target-syslog

more info

abhishek1994@abhishek1994:~$ lsmod | grep snd

snd_hda_codec_hdmi 49152 1

snd_hda_intel 36864 2

snd_hda_codec 135168 2 snd_hda_intel,snd_hda_codec_hdmi

snd_hda_core 86016 3


snd_hwdep 16384 1 snd_hda_codec

snd_pcm 110592 4


snd_timer 32768 1 snd_pcm

snd 86016 10


soundcore 16384 1 snd

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