thinkpad-acpi: add internal hotkey event API
commit267fdd4aa5a580ea8f5cd697ba751df16e808a39
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 20 Sep 2009 18:25:03 +0000 (20 15:25 -0300)
committerHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 20 Sep 2009 18:25:03 +0000 (20 15:25 -0300)
tree5dff0e9b57b200578854dc5b74bf702cf6b44e86
parent6cf93d9a67743c8b6cb1256c3fbfabf64f18e22b
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