you need to file upstream bug report as VT1708S support independent HP in previous version by sharing volume control with SIde jack
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_via.c?id=e5e14681404ec27a422d635284bf564dabde3f81
you need to file upstream bug report as VT1708S support independent HP in previous version by sharing volume control with SIde jack
https:/ /git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ commit/ sound/pci/ hda/patch_ via.c?id= e5e14681404ec27 a422d635284bf56 4dabde3f81