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Commit dab74cde authored by Peter Oh's avatar Peter Oh Committed by Kalle Valo
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ath: enhance radar detection by looking up chirp 



Certain radar types such as FCC radar type 5 are using chirp
in their pulses, hence looking up the chirp status will enhance
to avoid false radar detection.

Signed-off-by: default avatarPeter Oh <poh@qca.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
parent 2c3f26a0

drivers/net/wireless/ath/dfs_pri_detector.c

+4 −0
Original line number Diff line number Diff line
@@ -390,6 +390,10 @@ static struct pri_sequence *pri_detector_add_pulse(struct pri_detector *de, 
	if ((ts - de->last_ts) < rs->max_pri_tolerance)

		/* if delta to last pulse is too short, don't use this pulse */

		return NULL;

	/* radar detector spec needs chirp, but not detected */

	if (rs->chirp && rs->chirp != event->chirp)

		return NULL;



	de->last_ts = ts;



	max_updated_seq = pseq_handler_add_to_existing_seqs(de, ts);