CEC_MSG_TUNER_STEP_DECREMENT  996 drivers/media/cec/cec-adap.c 	[CEC_MSG_TUNER_STEP_DECREMENT] = 2 | DIRECTED,
CEC_MSG_TUNER_STEP_DECREMENT 1081 include/uapi/linux/cec-funcs.h 	msg->msg[1] = CEC_MSG_TUNER_STEP_DECREMENT;