Difference: RedslaveSoundcard ( vs. 1)

dmesg |grep -i hda

[ 10.267312] snd_hda_intel 0000:00:1b.0: irq 30 for MSI/MSI-X
[ 10.300524] snd_hda_codec_idt hdaudioC0D2: autoconfig for STAC9227: line_outs=4 (0xd/0xe/0xf/0x11/0x0) type:line
[ 10.300530] snd_hda_codec_idt hdaudioC0D2: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 10.300534] snd_hda_codec_idt hdaudioC0D2: hp_outs=1 (0xa/0x0/0x0/0x0/0x0)
[ 10.300536] snd_hda_codec_idt hdaudioC0D2: mono: mono_out=0x0
[ 10.300539] snd_hda_codec_idt hdaudioC0D2: dig-out=0x21/0x0
[ 10.300542] snd_hda_codec_idt hdaudioC0D2: inputs:
[ 10.300545] snd_hda_codec_idt hdaudioC0D2: Rear Mic=0xc
[ 10.300548] snd_hda_codec_idt hdaudioC0D2: Front Mic=0xb
[ 10.300551] snd_hda_codec_idt hdaudioC0D2: Line=0x10
[ 10.484371] input: HDA Intel Rear Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input3
[ 10.484798] input: HDA Intel Front Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input4
[ 10.484902] input: HDA Intel Line as /devices/pci0000:00/0000:00:1b.0/sound/card0/input5
[ 10.485026] input: HDA Intel Line Out Front as /devices/pci0000:00/0000:00:1b.0/sound/card0/input6
[ 10.485437] input: HDA Intel Line Out Surround as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7
[ 10.485544] input: HDA Intel Line Out CLFE as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
[ 10.485645] input: HDA Intel Line Out Side as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[ 10.490650] input: HDA Intel Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10