diff options
Diffstat (limited to 'drivers/video/backlight/lcd.c')
| -rw-r--r-- | drivers/video/backlight/lcd.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c index 41964a71a036..93cf15efc717 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; } |