PC_VALID_MASK
ANDIDX(state, ~PC_HEADPHONE_MUTE, PC_VALID_MASK);
ORIDX(state, PC_HEADPHONE_MUTE, PC_VALID_MASK);
ANDIDX(state, ~PC_LINE_OUT_MUTE, PC_VALID_MASK);
ORIDX(state, PC_LINE_OUT_MUTE, PC_VALID_MASK);