bcmdhd: Set customized scan dwell time

Add CUSTOM_SCAN_UNASSOC_ACTIVE_TIME in Kbuild to set scan dwell time.

Bug: 157503497
Test: After wlan0 up
$ wl scan_unassoc_time
40

Signed-off-by: Stephen Chu <stephen.chu@broadcom.corp-partner.google.com>
Change-Id: Iea76b2419ffc1916a1827c6b8a24b3f698461e8e

2 files changed, 5 insertions, 0 deletions

diff --git a/Kbuild b/Kbuild
index fd84191..0595e23 100755
--- a/Kbuild
+++ b/Kbuild
@@ -377,6 +377,7 @@ DHDCFLAGS += -DESCAN_BUF_OVERFLOW_MGMT
 DHDCFLAGS += -DSUPPORT_RANDOM_MAC_SCAN
 DHDCFLAGS += -DUSE_INITIAL_SHORT_DWELL_TIME
 DHDCFLAGS += -DWL_CFG80211_VSDB_PRIORITIZE_SCAN_REQUEST
+DHDCFLAGS += -DCUSTOM_SCAN_UNASSOC_ACTIVE_TIME=40
 DHDCFLAGS += -DCUSTOM_SCAN_PASSIVE_TIME=110
 # Suspend/Resume
 DHDCFLAGS += -DENABLE_MAX_DTIM_IN_SUSPEND
diff --git a/dhd.h b/dhd.h
index 51952aa..8cd1d11 100644
--- a/dhd.h
+++ b/dhd.h
@@ -389,7 +389,11 @@ enum dhd_op_flags {
 #endif /* MAX_CNTL_RX_TIMEOUT */
 
 #define DHD_SCAN_ASSOC_ACTIVE_TIME	40 /* ms: Embedded default Active setting from DHD */
+#ifndef CUSTOM_SCAN_UNASSOC_ACTIVE_TIME
 #define DHD_SCAN_UNASSOC_ACTIVE_TIME	80 /* ms: Embedded def. Unassoc Active setting from DHD */
+#else
+#define DHD_SCAN_UNASSOC_ACTIVE_TIME	CUSTOM_SCAN_UNASSOC_ACTIVE_TIME
+#endif /* CUSTOM_SCAN_UNASSOC_ACTIVE_TIME */
 #define DHD_SCAN_HOME_TIME		45 /* ms: Embedded default Home time setting from DHD */
 #define DHD_SCAN_HOME_AWAY_TIME	100 /* ms: Embedded default Home Away time setting from DHD */
 #ifndef CUSTOM_SCAN_PASSIVE_TIME