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WSL2-Linux-Kernel
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video: backlight: lcd: 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 lcd class
code to use the correct field.

Cc: Richard Purdie <rpurdie@rpsys.net>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2013-07-24 15:05:31 -07:00
Родитель ea1bb7064f
Коммит d79fd03fd6
1 изменённых файлов: 15 добавлений и 11 удалений
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26
drivers/video/backlight/lcd.c
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@ -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;
}