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authorMatthew Garrett <mjg@redhat.com>2010-02-18 00:39:44 +0300
committerRichard Purdie <rpurdie@linux.intel.com>2010-03-16 22:47:54 +0300
commita19a6ee6cad2b20292a774c2f56ba8039b0fac9c (patch)
tree631916ce6181336c5c28eb0cf5484c40c92986b6 /drivers/platform/x86/classmate-laptop.c
parent57e148b6a975980944f4466ccb669b1d02dfc6a1 (diff)
downloadlinux-a19a6ee6cad2b20292a774c2f56ba8039b0fac9c.tar.xz
backlight: Allow properties to be passed at registration
Values such as max_brightness should be set before backlights are registered, but the current API doesn't allow that. Add a parameter to backlight_device_register and update drivers to ensure that they set this correctly. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'drivers/platform/x86/classmate-laptop.c')
-rw-r--r--drivers/platform/x86/classmate-laptop.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index 035a7dd65a3f..6670ed8f9e5b 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -462,11 +462,13 @@ static struct backlight_ops cmpc_bl_ops = {
static int cmpc_bl_add(struct acpi_device *acpi)
{
+ struct backlight_properties props;
struct backlight_device *bd;
- bd = backlight_device_register("cmpc_bl", &acpi->dev,
- acpi->handle, &cmpc_bl_ops);
- bd->props.max_brightness = 7;
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = 7;
+ bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle,
+ &cmpc_bl_ops, &props);
dev_set_drvdata(&acpi->dev, bd);
return 0;
}