static void leds_brightness_set(struct led_classdev *led_cdev, enum led_brightness value)
{
struct aat28xx_driver_data *drvdata = dev_get_drvdata(led_cdev->dev->parent);
int brightness;
int next;
if (!drvdata) {
eprintk("Error getting drvier data\n");
return;
}
brightness = aat28xx_get_intensity(drvdata);
next = value * drvdata->max_intensity / LED_FULL;
/* If value is not 0, should not backlight off by bongkyu.kim */
if (value !=0 && next == 0)
next = 1;
dprintk("input brightness value=%d]\n", next);
if (brightness != next) {
dprintk("brightness[current=%d, next=%d]\n", brightness, next);
aat28xx_send_intensity(drvdata, next);
}
}
static void leds_brightness_set(struct led_classdev *led_cdev, enum led_brightness value)
{
struct aat28xx_driver_data *drvdata = dev_get_drvdata(led_cdev->dev->parent);
int brightness;
int next;
if (!drvdata) {
eprintk("Error getting drvier data\n");
return;
}
brightness = aat28xx_get_intensity(drvdata);
next = value * drvdata->max_intensity / led_cdev->max_brightness;
dprintk("input brightness value=%d]\n", next);
if (brightness != next) {
dprintk("brightness[current=%d, next=%d]\n", brightness, next);
aat28xx_send_intensity(drvdata, next);
}
}
static void leds_brightness_set(struct led_classdev *led_cdev, enum led_brightness value)
{
struct aat28xx_driver_data *drvdata = dev_get_drvdata(led_cdev->dev->parent);
int brightness;
int next;
if (!drvdata) {
eprintk("Error getting drvier data\n");
return;
}
brightness = aat28xx_get_intensity(drvdata);
/* LGE_CHANGE [[email protected]] 2010-06-09, the interpolation of B/L value */
next = bl_value[value * drvdata->max_intensity / LED_FULL];
dprintk("input brightness value=%d]\n", next);
if (brightness != next) {
dprintk("brightness[current=%d, next=%d]\n", brightness, next);
aat28xx_send_intensity(drvdata, next);
}
}
static int aat28xx_get_brightness(struct backlight_device *bd)
{
struct aat28xx_driver_data *drvdata = dev_get_drvdata(bd->dev.parent);
return aat28xx_get_intensity(drvdata);
}