Comment 2 for bug 1947558

tried to use rfkill to bring the wifi card back, fails :

after wake from suspend :

gilbert@alpha:~$ sudo rfkill list
1: dell-wifi: Wireless LAN
 Soft blocked: no
 Hard blocked: no
2: dell-bluetooth: Bluetooth
 Soft blocked: no
 Hard blocked: no
3: phy0: Wireless LAN
 Soft blocked: no
 Hard blocked: yes
4: hci0: Bluetooth
 Soft blocked: no
 Hard blocked: no

trying to turn on :

gilbert@alpha:~$ sudo rfkill unblock 3
gilbert@alpha:~$ sudo rfkill
ID TYPE DEVICE SOFT HARD
 1 wlan dell-wifi unblocked unblocked
 2 bluetooth dell-bluetooth unblocked unblocked
 3 wlan phy0 unblocked blocked
 4 bluetooth hci0 unblocked unblocked

The RF Kill is done on suspend
And it does not work to bring the Wifi card ON when resuming the laptop.