ACPI: thinkpad-acpi: check version of hot key firmware
commit5a1ebd6c7191d8010634cb6c78a091a99784da32
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 16 Sep 2007 04:34:57 +0000 (16 01:34 -0300)
committerHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Tue, 26 Feb 2008 02:34:02 +0000 (25 23:34 -0300)
tree83b4e8225710053789139ee9c6bfc40cd21f113e
parent31b71695cb3eed1838b3b31b40ff731a590c7c0d
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>
drivers/misc/thinkpad_acpi.c