Arch Linux

Description:Kernel 5.6.2.arch1-2 breaks sound Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)

Downgrade to 5.5.13-arch2-1 fixes

lspci

00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:16.3 Serial controller: Intel Corporation 6 Series/C200 Series Chipset Family KT Controller (rev 04)
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network Connection (Lewisville) (rev 04)
00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b4)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)
00:1c.7 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 8 (rev b4)
00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation QM67 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Mobile SATA AHCI Controller (rev 04)
01:00.0 VGA compatible controller: NVIDIA Corporation GF104GLM [Quadro 3000M] (rev a1)
01:00.1 Audio device: NVIDIA Corporation GF104 High Definition Audio Controller (rev a1)
24:00.0 FireWire (IEEE 1394): JMicron Technology Corp. IEEE 1394 Host Controller (rev 30)
25:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 3e)
26:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)

dmesg | grep snd #from 5.5 kernel

[ 10.657023] snd_hda_intel 0000:01:00.1: Disabling MSI
[ 10.657034] snd_hda_intel 0000:01:00.1: Handle vga_switcheroo audio client
[ 10.802846] snd_hda_codec_idt hdaudioC0D0: autoconfig for 92HD81B1X5: line_outs=1 (0xa/0x0/0x0/0x0/0x0) type:line
[ 10.802849] snd_hda_codec_idt hdaudioC0D0: speaker_outs=1 (0xd/0x0/0x0/0x0/0x0)
[ 10.802850] snd_hda_codec_idt hdaudioC0D0: hp_outs=1 (0xb/0x0/0x0/0x0/0x0)
[ 10.802851] snd_hda_codec_idt hdaudioC0D0: mono: mono_out=0x0
[ 10.802852] snd_hda_codec_idt hdaudioC0D0: inputs:
[ 10.802853] snd_hda_codec_idt hdaudioC0D0: Mic=0xc
[ 10.802854] snd_hda_codec_idt hdaudioC0D0: Internal Mic=0x11
[ 10.802855] snd_hda_codec_idt hdaudioC0D0: Line=0xf


Steps to reproduce:
Upgrade to 5.6, try to use sound.