Signed-off-by: Sean Young <sean@xxxxxxxx> --- man4/lirc.4 | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/man4/lirc.4 b/man4/lirc.4 index 3c2695895..338456ec5 100644 --- a/man4/lirc.4 +++ b/man4/lirc.4 @@ -361,6 +361,16 @@ 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 . +If the +.BR LIRC_CAN_SET_REC_CARRIER_RANGE +feature is also set, then 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. +Any lirc device since the drivers were merged in kernel release 2.6.36 +have either both features set or not set. .TP .BR LIRC_CAN_SET_REC_DUTY_CYCLE_RANGE The driver supports -- 2.17.2
