SectionDevice."Headphone" { Comment "Headphone" Value { PlaybackChannels "2" PlaybackPCM "hw:Dock,0" } } SectionDevice."LineOut" { Comment "Line Out" Value { PlaybackChannels "2" PlaybackPCM "hw:Dock,1" } } SectionDevice."Mic" { Comment "Microphone" Value { CaptureChannels "2" CapturePCM "hw:Dock,0" } }