dmesg| grep -i hda

[ 12.969008] snd_hda_intel 0000:00:1b.0: irq 26 for MSI/MSI-X
[ 12.995159] snd_hda_codec_realtek hdaudioC0D2: autoconfig for ALC888: line_outs=4 (0x14/0x15/0x16/0x17/0x0) type:line
[ 12.995163] snd_hda_codec_realtek hdaudioC0D2: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 12.995166] snd_hda_codec_realtek hdaudioC0D2: hp_outs=1 (0x1b/0x0/0x0/0x0/0x0)
[ 12.995168] snd_hda_codec_realtek hdaudioC0D2: mono: mono_out=0x0
[ 12.995170] snd_hda_codec_realtek hdaudioC0D2: inputs:
[ 12.995173] snd_hda_codec_realtek hdaudioC0D2: Front Mic=0x19
[ 12.995175] snd_hda_codec_realtek hdaudioC0D2: Rear Mic=0x18
[ 12.995178] snd_hda_codec_realtek hdaudioC0D2: Line=0x1a
[ 13.009324] input: HDA Intel Front Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input3
[ 13.009478] input: HDA Intel Rear Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input4
[ 13.009603] input: HDA Intel Line as /devices/pci0000:00/0000:00:1b.0/sound/card0/input5
[ 13.009747] input: HDA Intel Line Out Front as /devices/pci0000:00/0000:00:1b.0/sound/card0/input6
[ 13.009866] input: HDA Intel Line Out Surround as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7
[ 13.009987] input: HDA Intel Line Out CLFE as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
[ 13.010109] input: HDA Intel Line Out Side as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[ 13.010508] input: HDA Intel Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10