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ACPI: video: Add dev argument for backlight_device_register

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This patch set adds generic abstract layer support for acpi video driver to
have generic user interface to control backlight and output switch control by
leveraging the existing backlight sysfs class driver, and by adding a new
video output sysfs class driver.

This patch:

Add dev argument for backlight_device_register to link the class device to
real device object.  The platform specific driver should find a way to get the
real device object for their video device.

[[email protected]: build fix]
[[email protected]: fix msi-laptop.c]
Signed-off-by: Luming Yu <[email protected]>
Cc: "Antonino A. Daplas" <[email protected]>
Cc: Greg KH <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Yu Luming 2006-12-19 12:56:15 -08:00 • committed by Len Brown
commit 519ab5f2be
7 changed files with 13 additions and 8 deletions
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7
drivers/video/backlight/backlight.c
View file

@ -190,8 +190,10 @@ static int fb_notifier_callback(struct notifier_block *self,
* Creates and registers new backlight class_device. Returns either an
* ERR_PTR() or a pointer to the newly allocated device.
*/
struct backlight_device *backlight_device_register(const char *name, void *devdata,
struct backlight_properties *bp)
struct backlight_device *backlight_device_register(const char *name,
struct device *dev,
void *devdata,
struct backlight_properties *bp)
{
int i, rc;
struct backlight_device *new_bd;
@ -206,6 +208,7 @@ struct backlight_device *backlight_device_register(const char *name, void *devda
new_bd->props = bp;
memset(&new_bd->class_dev, 0, sizeof(new_bd->class_dev));
new_bd->class_dev.class = &backlight_class;
new_bd->class_dev.dev = dev;
strlcpy(new_bd->class_dev.class_id, name, KOBJ_NAME_LEN);
class_set_devdata(&new_bd->class_dev, devdata);