5.4.10. ioctl LIRC_SET_REC_CARRIER¶
LIRC_SET_REC_CARRIER - Set carrier used to modulate IR receive.
- File descriptor returned by open().
- Frequency of the carrier that modulates PWM data, in Hz.
Set receive carrier used to modulate IR PWM pulses and spaces.
If called together with ioctl LIRC_SET_REC_CARRIER_RANGE, this ioctl sets the upper bound frequency that will be recognized by the device.