tree 0e97e3089febe85b478c3b72022f4e058bb709ec
parent 07431ec82bf9dc74b470a1d820b41c92c4d86e6f
author Henrique de Moraes Holschuh <hmh@hmh.eng.br> 1216642550 -0300
committer Henrique de Moraes Holschuh <hmh@hmh.eng.br> 1216642550 -0300

ACPI: thinkpad-acpi: WLSW overrides other rfkill switches

On ThinkPads where the WLSW switch exists, the firmware or the hardware
ANDs the WLSW state with the device-specific switches (WWAN, Bluetooth).
It is downright impossible to enable WWAN or Bluetooth when WLSW is
blocking the radios.

This reality does not necessarily carry over to the WWAN and Bluetooth
firmware interfaces, though... so the state thinkpad-acpi was reporting
could be incorrect.

Tie the three switches in the driver so that we keep their state sane.
When WLSL is off, force the other switches to off as well.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>