thinkpad-acpi: add internal hotkey event API
commitf94f9d758871c89e35770ff5a3c40c948d5e5c52
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Tue, 10 Nov 2009 23:12:56 +0000 (10 21:12 -0200)
committerHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Tue, 10 Nov 2009 23:12:56 +0000 (10 21:12 -0200)
treed5bfcce5d4adc798f70e8fb89e193e9578cf6c55
parentacddf7cac9988b02e444cdc741be7856ba9a19c4
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