ACPI: thinkpad-acpi: check version of hot key firmware
commit8bd3a116e47e182bf1b8bb2df03f609d80e10849
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 16 Sep 2007 01:34:57 +0000 (15 22:34 -0300)
committerHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 16 Sep 2007 12:39:05 +0000 (16 09:39 -0300)
tree15b2903490f46e91d619a3ab88908fffebf6e24d
parent2b7117d8d71a30f243e944a11a934aec7372d311
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