Hi all :
Os : android 4.4.2
Hardware imx6q , wifi module :rtl8188
My Custom board Wifi function is ok ! But softap is not . The log :
E/hostapd ( 4056): Configuration file: /data/misc/wifi/hostapd.conf
I/hostapd ( 4056): rfkill: Cannot open RFKILL control device
E/hostapd ( 4056): nl80211: Failed to set interface wlan0 into AP mode
D/CommandListener( 2266): Setting iface cfg
D/CommandListener( 2266): Trying to bring up wlan0
D/Tethering( 2644): Tethering wlan0
E/Tethering( 2644): Tried to Tether an unknown iface :wlan0, ignoring
E/WifiStateMachine( 2644): Error tethering on wlan0
E/hostapd ( 4056): nl80211 driver initialization failed.
E/hostapd ( 4056): Failed to initialize interface
W/audio_hw_primary( 2271): do_out_standby... 1107535256
How to solve this problem ?