Accumulative patch from commit 6ea1f4135b72199988393f34dd7f5ad8040b7a42

6ea1f41 Try to set WPA-None key after IBSS-joined event
66562e9 Use cached driver capabilities instead of new fetch for each operation
55293aa TDLS: Do not overwrite the reason code in the Tear Down Request
4aa8186 Add a configration parameter for sched_scan interval
03565bc Synchronize with wireless-testing.git include/uapi/linux/nl80211.h
f11b72c TDLS: Move AID=1 workaround into driver_nl80211.c
7853369 TDLS: Pass peer's AID information to kernel
55a2df4 HS 2.0: Include HS 2.0 Indication element only for HS 2.0 association
ad0685e edit: Fix history processing on running old command
9be3714 wpa_cli: Fetch the current BSSID list when starting interactive mode
69aa334 wpa_cli: Add BSSID tab completion for set bssid_filter
2156587 wpa_cli: Replace set command help with completion routine
f1fb042 wpa_cli: Allow space in the set command value
f5ffc34 wpa_supplicant: Allow global scan frequencies configuration
abfc3ad Synchronize build config comments for wpa_supplicant
a01e10d Android: Enable WPS ER and NFC support in the build
11e5a49 WPS: Do not use void* in arithmetic
0f105f9 HS 2.0: Move Probe Request Indication IE addition to proper place
8543ed8 WPA: Print pairwise EAPOL-Key flag as a bool
7af092a hostapd: Add Key MIC in group EAPOL-Key frames corruption test option
b691dcb nl80211: Fix max_remain_on_chan capability reading
41b1a76 P2P: Clone beacon_int when initializing new group interface
741ed9f WPS: Remove duplicate networks after WPS

Change-Id: I9a2a0cb2acf87dfd7548318d2bda5f342b815884
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/wpa_supplicant.conf b/wpa_supplicant/wpa_supplicant.conf
index 0935a06..87dd397 100644
--- a/wpa_supplicant/wpa_supplicant.conf
+++ b/wpa_supplicant/wpa_supplicant.conf
@@ -524,6 +524,9 @@
 # set, scan results that do not match any of the specified frequencies are not
 # considered when selecting a BSS.
 #
+# This can also be set on the outside of the network block. In this case,
+# it limits the frequencies that will be scanned.
+#
 # bgscan: Background scanning
 # wpa_supplicant behavior for background scanning can be specified by
 # configuring a bgscan module. These modules are responsible for requesting
@@ -1231,3 +1234,10 @@
 network={
 	key_mgmt=NONE
 }
+
+
+# Example config file that will only scan on channel 36.
+freq_list=5180
+network={
+	key_mgmt=NONE
+}