Comment # 27 on bug 956403 from Silviu Marin-Caea

Ok, now with hp_wmi loaded:

12:26:32 silviulaptop:~ # rfkill list all
1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
2: hp-wifi: Wireless LAN
        Soft blocked: yes
        Hard blocked: yes
3: hp-bluetooth: Bluetooth
        Soft blocked: yes
        Hard blocked: yes
4: hp-gps: GPS
        Soft blocked: yes
        Hard blocked: yes
12:26:55 silviulaptop:~ # rfkill list all
1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
2: hp-wifi: Wireless LAN
        Soft blocked: yes
        Hard blocked: no
3: hp-bluetooth: Bluetooth
        Soft blocked: yes
        Hard blocked: no
4: hp-gps: GPS
        Soft blocked: yes
        Hard blocked: yes

The output changes, it's no longer hard-blocked, but remains soft-blocked.