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Subject[PATCH 2/3] video / backlight: remove the backlight_device_registered API
Date
Since we will need the backlight_device_get_by_type API, we can use it
instead of the backlight_device_registered API whenever necessary so
remove the backlight_device_registered API.

Signed-off-by: Aaron Lu <aaron.lu@intel.com>
---
drivers/acpi/video.c | 2 +-
drivers/video/backlight/backlight.c | 6 ------
include/linux/backlight.h | 1 -
3 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 1eaadff2e198..98d3f0de811e 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -246,7 +246,7 @@ static bool acpi_video_use_native_backlight(void)
bool acpi_video_verify_backlight_support(void)
{
if (acpi_osi_is_win8() && acpi_video_use_native_backlight() &&
- backlight_device_registered(BACKLIGHT_RAW))
+ backlight_device_get_by_type(BACKLIGHT_RAW))
return false;
return acpi_video_backlight_support();
}
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index bea749329236..aec173d9e1ee 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -406,12 +406,6 @@ struct backlight_device *backlight_device_get_by_type(enum backlight_type type)
}
EXPORT_SYMBOL(backlight_device_get_by_type);

-bool backlight_device_registered(enum backlight_type type)
-{
- return backlight_device_get_by_type(type) ? true : false;
-}
-EXPORT_SYMBOL(backlight_device_registered);
-
/**
* backlight_device_unregister - unregisters a backlight device object.
* @bd: the backlight device object to be unregistered and freed.
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index c59a020df3f8..287a4460054c 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -137,7 +137,6 @@ extern void devm_backlight_device_unregister(struct device *dev,
struct backlight_device *bd);
extern void backlight_force_update(struct backlight_device *bd,
enum backlight_update_reason reason);
-extern bool backlight_device_registered(enum backlight_type type);
extern int backlight_register_notifier(struct notifier_block *nb);
extern int backlight_unregister_notifier(struct notifier_block *nb);
extern struct backlight_device *backlight_device_get_by_type(enum backlight_type type);
--
2.1.0


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