delete unused DSM_BIND_POWER_UP

src/drivers/drv_pwm_output.h

@@ -186,9 +186,6 @@ struct pwm_output_rc_config {
 /** start DSM bind */
 #define DSM_BIND_START	_PX4_IOC(_PWM_SERVO_BASE, 10)
 
-/** power up DSM receiver */
-#define DSM_BIND_POWER_UP _PX4_IOC(_PWM_SERVO_BASE, 11)
-
 /** set the PWM value for failsafe */
 #define PWM_SERVO_SET_FAILSAFE_PWM	_PX4_IOC(_PWM_SERVO_BASE, 12)
 

src/drivers/px4io/px4io.cpp

@@ -2736,10 +2736,6 @@ PX4IO::ioctl(file *filep, int cmd, unsigned long arg)
 		ret = dsm_bind_ioctl(arg);
 		break;
 
-	case DSM_BIND_POWER_UP:
-		io_reg_set(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_DSM, dsm_bind_power_up);
-		break;
-
 	case PWM_SERVO_SET(0) ... PWM_SERVO_SET(PWM_OUTPUT_MAX_CHANNELS - 1): {
 
 			/* TODO: we could go lower for e.g. TurboPWM */