21 	struct backlight_device *bd;  member
31 	struct backlight_device *bd = aat2870_bl->bd;  in aat2870_brightness()  local
35 	val /= bd->props.max_brightness;  in aat2870_brightness()
57 static int aat2870_bl_update_status(struct backlight_device *bd)  in aat2870_bl_update_status()  argument
59 	struct aat2870_bl_driver_data *aat2870_bl = bl_get_data(bd);  in aat2870_bl_update_status()
62 	int brightness = bd->props.brightness;  in aat2870_bl_update_status()
65 	if ((brightness < 0) || (bd->props.max_brightness < brightness)) {  in aat2870_bl_update_status()
66 		dev_err(&bd->dev, "invalid brightness, %d\n", brightness);  in aat2870_bl_update_status()
70 	dev_dbg(&bd->dev, "brightness=%d, power=%d, state=%d\n",  in aat2870_bl_update_status()
71 		 bd->props.brightness, bd->props.power, bd->props.state);  in aat2870_bl_update_status()
73 	if ((bd->props.power != FB_BLANK_UNBLANK) ||  in aat2870_bl_update_status()
74 			(bd->props.state & BL_CORE_FBBLANK) ||  in aat2870_bl_update_status()
75 			(bd->props.state & BL_CORE_SUSPENDED))  in aat2870_bl_update_status()
98 static int aat2870_bl_check_fb(struct backlight_device *bd, struct fb_info *fi)  in aat2870_bl_check_fb()  argument
113 	struct backlight_device *bd;  in aat2870_bl_probe()  local
140 	bd = devm_backlight_device_register(&pdev->dev, "aat2870-backlight",  in aat2870_bl_probe()
143 	if (IS_ERR(bd)) {  in aat2870_bl_probe()
146 		ret = PTR_ERR(bd);  in aat2870_bl_probe()
153 	aat2870_bl->bd = bd;  in aat2870_bl_probe()
166 		bd->props.max_brightness = pdata->max_brightness;  in aat2870_bl_probe()
168 		bd->props.max_brightness = 255;  in aat2870_bl_probe()
171 	bd->props.power = FB_BLANK_UNBLANK;  in aat2870_bl_probe()
172 	bd->props.brightness = bd->props.max_brightness;  in aat2870_bl_probe()
174 	ret = aat2870_bl_update_status(bd);  in aat2870_bl_probe()
189 	struct backlight_device *bd = aat2870_bl->bd;  in aat2870_bl_remove()  local
191 	bd->props.power = FB_BLANK_POWERDOWN;  in aat2870_bl_remove()
192 	bd->props.brightness = 0;  in aat2870_bl_remove()
193 	backlight_update_status(bd);  in aat2870_bl_remove()