ACPI: thinkpad-acpi: check version of hot key firmware
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 23 Sep 2007 14:39:03 +0000 (11:39 -0300)
committerLen Brown <len.brown@intel.com>
Mon, 24 Sep 2007 02:38:14 +0000 (22:38 -0400)
commit1b6521dc84f372dd92a96381fbeeebb01173d050
tree8b6e15396ee73916361a706541caf98a9281ea6a
parent8fef502e5a14df05f1e755edc9175e01c9814080
ACPI: thinkpad-acpi: check version of hot key firmware

Check the HKEY firmware version (HKEY.MHKV handler), and refuse to load if
it is unknown.  Use this instead of the presence of HKEY.DHKV to detect hot
key mask capability.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/misc/thinkpad_acpi.c