root@Debian:~# ifconfig wlan0 up
SIOCSIFFLAGS: Operation not permitted
root@Debian:~# dmesg | tail
[ 287.154204] [WLAN_RFKILL]: rockchip_wifi_power: 0
[ 287.154218] [WLAN_RFKILL]: rockchip_wifi_power: wifi power is setted to be remain on. skip anything to the power control=========== WLAN placed in RESET ========
[ 287.154240] ANDROID-ERROR)
[ 287.154240] failed to power up wifi chip, max retry reached **
[ 287.154240]
[ 287.154264] wl_android_wifi_on: Success
[ 287.154279] dhd_open : wl_android_wifi_on failed (-110)
[ 287.154294] wl_android_wifi_off in 1
[ 287.154307] wl_android_wifi_off in 2: g_wifi_on=0
[ 287.154319] wl_android_wifi_off out
root@Debian:~#