Comment 51 for bug 1523100

Same issue her with an Acer VN7-572G:
Card: HDA Intel PCH F1: │ Chip: Realtek ALC255

lspci | grep -I audio
00:1f.3 Multimedia audio controller: Intel Corporation Sunrise Point-LP HD Audio (rev 21)

cat /proc/asound/cards
 0 [PCH ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xa4320000 irq 135