thinkpad-acpi: add internal hotkey event API
commit8b468c0c85f41c4c55227c17271b4187d8911fb0
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 20 Sep 2009 17:09:26 +0000 (20 14:09 -0300)
committerLen Brown <len.brown@intel.com>
Sun, 20 Sep 2009 17:48:31 +0000 (20 13:48 -0400)
tree77e543f876fc0618a96b2217860ee8ed9a37665d
parent0d922e3b84dc4923fc67901580a3c166006fba7a
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>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/platform/x86/thinkpad_acpi.c