Ben Dooks
8cd6819842
backlight: add MODULE_ALIAS() to pwm_backlight driver
...
Add the missing MODULE_ALIAS() to the pwm_backlight driver.
Cc: Russell King <rmk@arm.linux.org.uk >
Signed-off-by: Ben Dooks <ben-linux@fluff.org >
Cc: Richard Purdie <rpurdie@rpsys.net >
Signed-off-by: Andrew Morton <akpm@linux-foundation.org >
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org >
2008-08-05 14:33:48 -07:00
Ben Dooks
14563a4ec4
backlight: add more information output to pwm_backlight
...
Make the error paths in the pwm_backlight driver more informative in the
probe path, especially for the times that it finds an error.
Cc: Russell King <rmk@arm.linux.org.uk >
Signed-off-by: Ben Dooks <ben-linux@fluff.org >
Cc: Richard Purdie <rpurdie@rpsys.net >
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl >
Signed-off-by: Andrew Morton <akpm@linux-foundation.org >
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org >
2008-08-05 14:33:48 -07:00
Ben Dooks
43bda1a6d2
[ARM] 5141/1: PWM: pwm_request() should return an PTR_ERR() instead of NULL.
...
Make the return of pwm_request() be more informative than just
being NULL on error by using PTR_ERR() to respond with an
approriate error.
Signed-off-by: Ben Dooks <ben-linux@fluff.org >
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk >
2008-07-03 13:25:07 +01:00
Philipp Zabel
3b73125af6
[ARM] 5044/1: pwm_bl: add init/notify/exit callbacks
...
This allows platform code to manipulate GPIOs and brightness level as
needed.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com >
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk >
2008-07-03 13:25:05 +01:00
eric miao
42796d37da
[ARM] pxa: add generic PWM backlight driver
...
Patch mostly from Eric Miao, with minor edits by rmk to convert
Eric's driver to a generic PWM-based backlight driver.
Signed-off-by: eric miao <eric.miao@marvell.com >
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk >
2008-07-03 13:25:00 +01:00
