FTR_GPIO          161 sound/aoa/core/gpio-feature.c FTR_GPIO(headphone, 0);
FTR_GPIO          162 sound/aoa/core/gpio-feature.c FTR_GPIO(amp, 1);
FTR_GPIO          163 sound/aoa/core/gpio-feature.c FTR_GPIO(lineout, 2);
FTR_GPIO          164 sound/aoa/core/gpio-feature.c FTR_GPIO(master, 3);