dmesg shows
[ 11.134747] hdaudio0 at pci1 dev 0 function 1: HD Audio Controller
[ 11.134747] hdaudio0: interrupting at msi13 vec 0
[ 11.138653] hdaudio0: HDA ver. 1.0, OSS 4, ISS 4, BSS 0, SDO 4, 64-bit
[ 11.146465] hdafg0 at hdaudio0: NVIDIA product 0051
[ 11.154332] hdafg0: DP00 8ch: Digital Out [Jack]
[ 11.154332] hdafg0: DP01 8ch: Digital Out [Jack]
[ 11.158218] hdafg0: 8ch/0ch 48000Hz PCM16*
[ 11.177715] audio0 at hdafg0: playback, capture, full duplex,
independent
[ 11.181622] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms)
for playback
[ 11.181622] audio0: slinear_le:16 2ch 48000Hz, blk 1920 bytes (10ms)
for recording