static int aat28xx_suspend(struct i2c_client *i2c_dev, pm_message_t state)
{
struct aat28xx_driver_data *drvdata = i2c_get_clientdata(i2c_dev);
aat28xx_sleep(drvdata);
aat28xx_power_internal(drvdata, 0);
return 0;
}
static void aat28xx_early_suspend(struct early_suspend * h)
{
struct aat28xx_driver_data *drvdata = container_of(h, struct aat28xx_driver_data,
early_suspend);
dprintk("start\n");
aat28xx_sleep(drvdata);
return;
}
/* * 2011-03-08, [email protected] * if the backlight ic is using vbat power, * we should turn off the backlight ic when reboot or power down. */ static void aat28xx_shutdown(struct i2c_client *i2c_dev) { struct aat28xx_driver_data *drvdata = i2c_get_clientdata(i2c_dev); #if 0 printk("%s backlight power state = %d, gpio %d\n", __func__, drvdata->state, drvdata->gpio); #endif /* change the state to sleep and disable the backlight ic */ aat28xx_sleep(drvdata); aat28xx_power_internal(drvdata, 0); //printk("%s is done!\n", __func__); }
/* LGE_CHANGE_S [[email protected]] 2010-06-22, backlight on/off */ ssize_t aat28xx_lcd_backlight_onoff(struct device *dev, struct device_attribute *attr, const char * buf, size_t count) { int onoff; struct aat28xx_driver_data *drvdata = dev_get_drvdata(dev->parent); sscanf(buf, "%d", &onoff); drvdata->mode = NORMAL_MODE; if(onoff) { drvdata->state = POWEROFF_STATE; aat28xx_wakeup(drvdata); } else { aat28xx_sleep(drvdata); } return count; }
