thinkpad-acpi: add internal hotkey event API
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 20 Sep 2009 17:09:26 +0000 (14:09 -0300)
committerLen Brown <len.brown@intel.com>
Sun, 20 Sep 2009 17:48:31 +0000 (13:48 -0400)
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>

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