snd_emu10k1_init_mono_onoff_control 2055 sound/pci/emu10k1/emufx.c snd_emu10k1_init_mono_onoff_control(controls + i++, "Front Capture Switch", gpr + 2, 0); snd_emu10k1_init_mono_onoff_control 2300 sound/pci/emu10k1/emufx.c snd_emu10k1_init_mono_onoff_control(controls + i++, "Headphone Center Playback Switch", gpr + 2, 0); snd_emu10k1_init_mono_onoff_control 2302 sound/pci/emu10k1/emufx.c snd_emu10k1_init_mono_onoff_control(controls + i++, "Headphone LFE Playback Switch", gpr + 3, 0);