1 files changed, 135 insertions, 0 deletions
diff --git a/video-backlight-convert-class-code-to-use-dev_groups.patch b/video-backlight-convert-class-code-to-use-dev_groups.patch
new file mode 100644
index 00000000000000..3f649fee2c02ae
--- /dev/null
+++ b/video-backlight-convert-class-code-to-use-dev_groups.patch
@@ -0,0 +1,135 @@
+From foo@baz Tue Jul  9 15:39:32 PDT 2013
+Date: Tue, 09 Jul 2013 15:39:32 -0700
+To: Greg KH <gregkh@linuxfoundation.org>
+From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+Subject: video: backlight: convert class code to use dev_groups
+
+The dev_attrs field of struct class is going away soon, dev_groups
+should be used instead.  This converts the video backlight class code to
+use the correct field.
+
+Cc: Richard Purdie <rpurdie@rpsys.net>
+Cc: Jingoo Han <jg1.han@samsung.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+
+---
+ drivers/video/backlight/backlight.c |   44 +++++++++++++++++++-----------------
+ 1 file changed, 24 insertions(+), 20 deletions(-)
+
+--- a/drivers/video/backlight/backlight.c
++++ b/drivers/video/backlight/backlight.c
+@@ -103,16 +103,16 @@ static void backlight_generate_event(str
+ 	sysfs_notify(&bd->dev.kobj, NULL, "actual_brightness");
+ }
+ 
+-static ssize_t backlight_show_power(struct device *dev,
+-		struct device_attribute *attr, char *buf)
++static ssize_t bl_power_show(struct device *dev, struct device_attribute *attr,
++		char *buf)
+ {
+ 	struct backlight_device *bd = to_backlight_device(dev);
+ 
+ 	return sprintf(buf, "%d\n", bd->props.power);
+ }
+ 
+-static ssize_t backlight_store_power(struct device *dev,
+-		struct device_attribute *attr, const char *buf, size_t count)
++static ssize_t bl_power_store(struct device *dev, struct device_attribute *attr,
++		const char *buf, size_t count)
+ {
+ 	int rc;
+ 	struct backlight_device *bd = to_backlight_device(dev);
+@@ -136,8 +136,9 @@ static ssize_t backlight_store_power(str
+ 
+ 	return rc;
+ }
++static DEVICE_ATTR_RW(bl_power);
+ 
+-static ssize_t backlight_show_brightness(struct device *dev,
++static ssize_t brightness_show(struct device *dev,
+ 		struct device_attribute *attr, char *buf)
+ {
+ 	struct backlight_device *bd = to_backlight_device(dev);
+@@ -145,7 +146,7 @@ static ssize_t backlight_show_brightness
+ 	return sprintf(buf, "%d\n", bd->props.brightness);
+ }
+ 
+-static ssize_t backlight_store_brightness(struct device *dev,
++static ssize_t brightness_store(struct device *dev,
+ 		struct device_attribute *attr, const char *buf, size_t count)
+ {
+ 	int rc;
+@@ -175,24 +176,27 @@ static ssize_t backlight_store_brightnes
+ 
+ 	return rc;
+ }
++static DEVICE_ATTR_RW(brightness);
+ 
+-static ssize_t backlight_show_type(struct device *dev,
+-		struct device_attribute *attr, char *buf)
++static ssize_t type_show(struct device *dev, struct device_attribute *attr,
++		char *buf)
+ {
+ 	struct backlight_device *bd = to_backlight_device(dev);
+ 
+ 	return sprintf(buf, "%s\n", backlight_types[bd->props.type]);
+ }
++static DEVICE_ATTR_RO(type);
+ 
+-static ssize_t backlight_show_max_brightness(struct device *dev,
++static ssize_t max_brightness_show(struct device *dev,
+ 		struct device_attribute *attr, char *buf)
+ {
+ 	struct backlight_device *bd = to_backlight_device(dev);
+ 
+ 	return sprintf(buf, "%d\n", bd->props.max_brightness);
+ }
++static DEVICE_ATTR_RO(max_brightness);
+ 
+-static ssize_t backlight_show_actual_brightness(struct device *dev,
++static ssize_t actual_brightness_show(struct device *dev,
+ 		struct device_attribute *attr, char *buf)
+ {
+ 	int rc = -ENXIO;
+@@ -205,6 +209,7 @@ static ssize_t backlight_show_actual_bri
+ 
+ 	return rc;
+ }
++static DEVICE_ATTR_RO(actual_brightness);
+ 
+ static struct class *backlight_class;
+ 
+@@ -247,16 +252,15 @@ static void bl_device_release(struct dev
+ 	kfree(bd);
+ }
+ 
+-static struct device_attribute bl_device_attributes[] = {
+-	__ATTR(bl_power, 0644, backlight_show_power, backlight_store_power),
+-	__ATTR(brightness, 0644, backlight_show_brightness,
+-		     backlight_store_brightness),
+-	__ATTR(actual_brightness, 0444, backlight_show_actual_brightness,
+-		     NULL),
+-	__ATTR(max_brightness, 0444, backlight_show_max_brightness, NULL),
+-	__ATTR(type, 0444, backlight_show_type, NULL),
+-	__ATTR_NULL,
++static struct attribute *bl_device_attrs[] = {
++	&dev_attr_bl_power.attr,
++	&dev_attr_brightness.attr,
++	&dev_attr_actual_brightness.attr,
++	&dev_attr_max_brightness.attr,
++	&dev_attr_type.attr,
++	NULL,
+ };
++ATTRIBUTE_GROUPS(bl_device);
+ 
+ /**
+  * backlight_force_update - tell the backlight subsystem that hardware state
+@@ -493,7 +497,7 @@ static int __init backlight_class_init(v
+ 		return PTR_ERR(backlight_class);
+ 	}
+ 
+-	backlight_class->dev_attrs = bl_device_attributes;
++	backlight_class->dev_groups = bl_device_groups;
+ 	backlight_class->pm = &backlight_class_dev_pm_ops;
+ 	return 0;
+ }