Comment 5 for bug 1289930

are you sure that your laptop need model=dell-headset-multi ?

for those netbook with one and only one Jack, this Jack can be either use as headphone or Mic

it is strange that headset Mic and headphone Mic exist at same laptop

[ 8.348801] sound hdaudioC1D0: autoconfig: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[ 8.348806] sound hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 8.348809] sound hdaudioC1D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0)
[ 8.348811] sound hdaudioC1D0: mono: mono_out=0x0
[ 8.348813] sound hdaudioC1D0: inputs:
[ 8.348816] sound hdaudioC1D0: Headphone Mic=0x19
[ 8.348819] sound hdaudioC1D0: Headset Mic=0x1b
[ 8.348821] sound hdaudioC1D0: Internal Mic=0x12
y