SV_IREG_MIC
SONICVIBES_SINGLE("Mic Playback Switch", 0, SV_IREG_MIC, 7, 1, 1),
SONICVIBES_SINGLE("Mic Playback Volume", 0, SV_IREG_MIC, 0, 15, 1),
snd_sonicvibes_out(sonic, SV_IREG_MIC, 0x8f);