thinkpad-acpi: add internal hotkey event API
commitefde62867f0c795daba84b4a4616117cca27196d
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Fri, 4 Dec 2009 11:13:19 +0000 (4 09:13 -0200)
committerHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Fri, 4 Dec 2009 11:13:19 +0000 (4 09:13 -0200)
treec0b97f46c8b3383556cb4d8d6aa9ac00911185a5
parent23552127e7b4421528c19da675580cc0b380b015
thinkpad-acpi: add internal hotkey event API

Add an internal API to the driver, to allow subdrivers to request and
receive HKEY 0x1000 events.  This API will be used by the backlight
(brightness up/down) and upcoming ALSA mixer (volume up/down/mute)
subdrivers.

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
drivers/platform/x86/thinkpad_acpi.c