Signed-off-by: Sean Young <sean@xxxxxxxx> --- man4/lirc.4 | 25 +++++++++++++++++++++---- 1 file changed, 21 insertions(+), 4 deletions(-) diff --git a/man4/lirc.4 b/man4/lirc.4 index dd526a8b7..e28a46377 100644 --- a/man4/lirc.4 +++ b/man4/lirc.4 @@ -283,12 +283,16 @@ enabled, enabled for all file descriptors until turned off again. .TP .BR LIRC_SET_REC_CARRIER " (\fIint\fP)" -Set the receive carrier frequency (Hz). +Set the upper bound of the receive carrier frequency (Hz). See +.BR LIRC_SET_REC_CARRIER_RANGE . .TP .BR LIRC_SET_REC_CARRIER_RANGE " (\fIint\fP)" -After opening device, the first use of this operation -sets the lower bound of the carrier range, -and the second use sets the upper bound (Hz). +Sets the lower bound of the receive carrier frequency (Hz). +For this to take affect, first set the lower bound of using the +.BR LIRC_SET_REC_CARRIER_RANGE +ioctl, and then the upper bound using the +.BR LIRC_SET_REC_CARRIER +ioctl. .TP .BR LIRC_SET_MEASURE_CARRIER_MODE " (\fIint\fP)" Enable @@ -365,10 +369,23 @@ The driver supports changing the active transmitter(s) using .BR LIRC_CAN_SET_REC_CARRIER The driver supports setting the receive carrier frequency using .BR LIRC_SET_REC_CARRIER . +Any +.B lirc +device since the drivers were merged in kernel release 2.6.36 +must have +.BR LIRC_CAN_SET_REC_CARRIER_RANGE +set if +.BR LIRC_CAN_SET_REC_CARRIER +feature is set. .TP .BR LIRC_CAN_SET_REC_CARRIER_RANGE The driver supports .BR LIRC_SET_REC_CARRIER_RANGE . +The lower bound of the carrier must first be set using the +.BR LIRC_SET_REC_CARRIER_RANGE +ioctl, before using +.BR LIRC_SET_REC_CARRIER +ioctl to set the upper bound. .TP .BR LIRC_CAN_GET_REC_RESOLUTION The driver supports -- 2.17.2
