ACPI: thinkpad-acpi: check version of hot key firmware
commit17d65ca6d04f0a40e7616b916c2c634b66f792b3
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>
Sun, 23 Sep 2007 12:31:11 +0000 (23 09:31 -0300)
tree70e30358601a1cf5f56fff6b0141ef0f349b54d7
parentf605c77fabf14e0917261d4323c5ce91b4381ee0
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