thinkpad-acpi: add internal hotkey event API
commit9e6ecb01a3589ed3a9fa4eae4001681550a4e159
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 20 Sep 2009 18:22:28 +0000 (20 15:22 -0300)
committerHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 20 Sep 2009 18:22:28 +0000 (20 15:22 -0300)
tree15eee41d70ed0a17e7cb12d00de3a12d4ebf3ecf
parent50f7b470714c3afae0d691736dfde11b5e9fc897
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