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path: root/drivers/video/backlight
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Diffstat (limited to 'drivers/video/backlight')
-rw-r--r--drivers/video/backlight/backlight.c44
-rw-r--r--drivers/video/backlight/lcd.c26
2 files changed, 39 insertions, 31 deletions
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 3fccb6d3c8c..94a403a9717 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -103,16 +103,16 @@ static void backlight_generate_event(struct backlight_device *bd,
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(struct device *dev,
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(struct device *dev,
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_brightness(struct device *dev,
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_brightness(struct device *dev,
return rc;
}
+static DEVICE_ATTR_RO(actual_brightness);
static struct class *backlight_class;
@@ -247,16 +252,15 @@ static void bl_device_release(struct device *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(void)
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;
}
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 41964a71a03..93cf15efc71 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -89,7 +89,7 @@ static inline void lcd_unregister_fb(struct lcd_device *ld)
}
#endif /* CONFIG_FB */
-static ssize_t lcd_show_power(struct device *dev, struct device_attribute *attr,
+static ssize_t lcd_power_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
int rc;
@@ -105,7 +105,7 @@ static ssize_t lcd_show_power(struct device *dev, struct device_attribute *attr,
return rc;
}
-static ssize_t lcd_store_power(struct device *dev,
+static ssize_t lcd_power_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int rc;
@@ -128,8 +128,9 @@ static ssize_t lcd_store_power(struct device *dev,
return rc;
}
+static DEVICE_ATTR_RW(lcd_power);
-static ssize_t lcd_show_contrast(struct device *dev,
+static ssize_t contrast_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int rc = -ENXIO;
@@ -143,7 +144,7 @@ static ssize_t lcd_show_contrast(struct device *dev,
return rc;
}
-static ssize_t lcd_store_contrast(struct device *dev,
+static ssize_t contrast_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int rc;
@@ -166,14 +167,16 @@ static ssize_t lcd_store_contrast(struct device *dev,
return rc;
}
+static DEVICE_ATTR_RW(contrast);
-static ssize_t lcd_show_max_contrast(struct device *dev,
+static ssize_t max_contrast_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct lcd_device *ld = to_lcd_device(dev);
return sprintf(buf, "%d\n", ld->props.max_contrast);
}
+static DEVICE_ATTR_RO(max_contrast);
static struct class *lcd_class;
@@ -183,12 +186,13 @@ static void lcd_device_release(struct device *dev)
kfree(ld);
}
-static struct device_attribute lcd_device_attributes[] = {
- __ATTR(lcd_power, 0644, lcd_show_power, lcd_store_power),
- __ATTR(contrast, 0644, lcd_show_contrast, lcd_store_contrast),
- __ATTR(max_contrast, 0444, lcd_show_max_contrast, NULL),
- __ATTR_NULL,
+static struct attribute *lcd_device_attrs[] = {
+ &dev_attr_lcd_power.attr,
+ &dev_attr_contrast.attr,
+ &dev_attr_max_contrast.attr,
+ NULL,
};
+ATTRIBUTE_GROUPS(lcd_device);
/**
* lcd_device_register - register a new object of lcd_device class.
@@ -344,7 +348,7 @@ static int __init lcd_class_init(void)
return PTR_ERR(lcd_class);
}
- lcd_class->dev_attrs = lcd_device_attributes;
+ lcd_class->dev_groups = lcd_device_groups;
return 0;
}