Use the ENABLE_RX command for channel switching when no interface is present
(monitor mode only).
The advantage of ENABLE_RX is that it leaves the tx data path disabled in
firmware, whereas the usual JOIN command seems to transmit some frames at
firmware level.
Signed-off-by: NDavid Gnedt <david.gnedt@davizone.at>
Signed-off-by: NPali Rohár <pali.rohar@gmail.com>
Signed-off-by: NPavel Machek <pavel@ucw.cz>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>