ACPI: thinkpad-acpi: check version of hot key firmware
commitd332ae2e9f40dab43eadc4ec234e5b36b6b3d999
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>
Sat, 13 Oct 2007 12:35:44 +0000 (13 09:35 -0300)
tree42cbd64c0dd8364e13c32167e89bc18d2b432847
parent49340f91ad081835e1474ba11313d1a8cc9bb6ed
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