ACPI: thinkpad-acpi: check version of hot key firmware
commitf8ce1d822c9e1a40a6b84d81af91d210058acd9e
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>
Mon, 11 Feb 2008 17:22:02 +0000 (11 15:22 -0200)
tree2453c6aeb9f0af60a335e102a13adcd1faf66a39
parent72e436744f4c1fc06fc0604bf319d9f61665034d
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