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misc: add dell-laptop driver

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Add a driver for controlling Dell-specific backlight and rfkill interfaces.
This driver makes use of the dcdbas interface to the Dell firmware to
allow the backlight and rfkill interfaces on Dell systems to be driven
through the standardised sysfs interfaces.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: Matt Domsch <Matt_Domsch@dell.com>
Cc: Ivo van Doorn <ivdoorn@gmail.com>
Cc: Len Brown <lenb@kernel.org>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Matthew Garrett
2009-01-07 18:08:56 -08:00
committed by Linus Torvalds
parent 3cab7fd964
commit ad8f07ccad
4 changed files with 454 additions and 0 deletions
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12
drivers/misc/Kconfig
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@@ -498,6 +498,18 @@ config SGI_GRU_DEBUG
This option enables addition debugging code for the SGI GRU driver. If
you are unsure, say N.
config DELL_LAPTOP
tristate "Dell Laptop Extras (EXPERIMENTAL)"
depends on X86
depends on DCDBAS
depends on EXPERIMENTAL
depends on BACKLIGHT_CLASS_DEVICE
depends on RFKILL
default n
---help---
This driver adds support for rfkill and backlight control to Dell
laptops.
source "drivers/misc/c2port/Kconfig"
endif # MISC_DEVICES