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authorMatthew Garrett <mjg@redhat.com>2010-02-17 16:39:44 -0500
committerRichard Purdie <rpurdie@linux.intel.com>2010-03-16 19:47:54 +0000
commita19a6ee6cad2b20292a774c2f56ba8039b0fac9c (patch)
tree631916ce6181336c5c28eb0cf5484c40c92986b6 /drivers/video/backlight/tosa_bl.c
parent57e148b6a975980944f4466ccb669b1d02dfc6a1 (diff)
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/video/backlight/tosa_bl.c')
-rw-r--r--drivers/video/backlight/tosa_bl.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
index e14ce4d469f..f57bbf17004 100644
--- a/drivers/video/backlight/tosa_bl.c
+++ b/drivers/video/backlight/tosa_bl.c
@@ -80,6 +80,7 @@ static const struct backlight_ops bl_ops = {
static int __devinit tosa_bl_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
+ struct backlight_properties props;
struct tosa_bl_data *data = kzalloc(sizeof(struct tosa_bl_data), GFP_KERNEL);
int ret = 0;
if (!data)
@@ -99,15 +100,16 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
i2c_set_clientdata(client, data);
data->i2c = client;
- data->bl = backlight_device_register("tosa-bl", &client->dev,
- data, &bl_ops);
+ memset(&props, 0, sizeof(struct backlight_properties));
+ props.max_brightness = 512 - 1;
+ data->bl = backlight_device_register("tosa-bl", &client->dev, data,
+ &bl_ops, &props);
if (IS_ERR(data->bl)) {
ret = PTR_ERR(data->bl);
goto err_reg;
}
data->bl->props.brightness = 69;
- data->bl->props.max_brightness = 512 - 1;
data->bl->props.power = FB_BLANK_UNBLANK;
backlight_update_status(data->bl);