package/wpa_supplicant: Add optional autoscan support

Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Reviewed-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/wpa_supplicant/Config.in

@@ -38,6 +38,11 @@ config BR2_PACKAGE_WPA_SUPPLICANT_AP_SUPPORT
 	  making it bigger but dispensing the need for a separate hostapd
 	  binary in some applications hence being smaller overall.
 
+config BR2_PACKAGE_WPA_SUPPLICANT_AUTOSCAN
+	bool "Enable autoscan"
+	help
+	  Enable support for the autoscan feature (allow periodic scan)
+
 config BR2_PACKAGE_WPA_SUPPLICANT_EAP
 	bool "Enable EAP"
 	help

package/wpa_supplicant/wpa_supplicant.mk

@@ -68,6 +68,12 @@ WPA_SUPPLICANT_CONFIG_ENABLE += \
 	CONFIG_P2P
 endif
 
+ifeq ($(BR2_PACKAGE_WPA_SUPPLICANT_AUTOSCAN),y)
+WPA_SUPPLICANT_CONFIG_ENABLE += \
+	CONFIG_AUTOSCAN_EXPONENTIAL \
+	CONFIG_AUTOSCAN_PERIODIC
+endif
+
 ifeq ($(BR2_PACKAGE_WPA_SUPPLICANT_WPS),y)
 WPA_SUPPLICANT_CONFIG_ENABLE += CONFIG_WPS
 endif