static int locomolcd_probe(struct locomo_dev *ldev)
{
struct backlight_properties props;
unsigned long flags;
local_irq_save(flags);
locomolcd_dev = ldev;
locomo_gpio_set_dir(ldev->dev.parent, LOCOMO_GPIO_FL_VR, 0);
/* the poodle_lcd_power function is called for the first time
* from fs_initcall, which is before locomo is activated.
* We need to recall poodle_lcd_power here*/
if (machine_is_poodle())
locomolcd_power(1);
local_irq_restore(flags);
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = 4;
locomolcd_bl_device = backlight_device_register("locomo-bl",
&ldev->dev, NULL,
&locomobl_data, &props);
if (IS_ERR (locomolcd_bl_device))
return PTR_ERR (locomolcd_bl_device);
/* Set up frontlight so that screen is readable */
locomolcd_bl_device->props.brightness = 2;
locomolcd_set_intensity(locomolcd_bl_device);
return 0;
}
static int locomolcd_remove(struct locomo_dev *dev)
{
unsigned long flags;
locomolcd_bl_device->props.brightness = 0;
locomolcd_bl_device->props.power = 0;
locomolcd_set_intensity(locomolcd_bl_device);
backlight_device_unregister(locomolcd_bl_device);
local_irq_save(flags);
locomolcd_dev = NULL;
local_irq_restore(flags);
return 0;
}
static int locomolcd_suspend(struct locomo_dev *dev, pm_message_t state)
{
locomolcd_flags |= LOCOMOLCD_SUSPENDED;
locomolcd_set_intensity(locomolcd_bl_device);
return 0;
}
static int locomolcd_resume(struct locomo_dev *dev)
{
locomolcd_flags &= ~LOCOMOLCD_SUSPENDED;
locomolcd_set_intensity(locomolcd_bl_device);
return 0;
}
static int locomolcd_suspend(struct device *dev)
{
locomolcd_flags |= LOCOMOLCD_SUSPENDED;
locomolcd_set_intensity(locomolcd_bl_device);
return 0;
}
