47 	struct pcf50633_bl *pcf_bl = platform_get_drvdata(pcf->bl_pdev);  in pcf50633_bl_set_brightness_limit()  local
49 	if (!pcf_bl)  in pcf50633_bl_set_brightness_limit()
52 	pcf_bl->brightness_limit = limit & 0x3f;  in pcf50633_bl_set_brightness_limit()
53 	backlight_update_status(pcf_bl->bl);  in pcf50633_bl_set_brightness_limit()
60 	struct pcf50633_bl *pcf_bl = bl_get_data(bl);  in pcf50633_bl_update_status()  local
67 	else if (bl->props.brightness < pcf_bl->brightness_limit)  in pcf50633_bl_update_status()
70 		new_brightness = pcf_bl->brightness_limit;  in pcf50633_bl_update_status()
73 	if (pcf_bl->brightness == new_brightness)  in pcf50633_bl_update_status()
77 		pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDOUT,  in pcf50633_bl_update_status()
79 		if (!pcf_bl->brightness)  in pcf50633_bl_update_status()
80 			pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDENA, 1);  in pcf50633_bl_update_status()
82 		pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDENA, 0);  in pcf50633_bl_update_status()
85 	pcf_bl->brightness = new_brightness;  in pcf50633_bl_update_status()
92 	struct pcf50633_bl *pcf_bl = bl_get_data(bl);  in pcf50633_bl_get_brightness()  local
94 	return pcf_bl->brightness;  in pcf50633_bl_get_brightness()
105 	struct pcf50633_bl *pcf_bl;  in pcf50633_bl_probe()  local
111 	pcf_bl = devm_kzalloc(&pdev->dev, sizeof(*pcf_bl), GFP_KERNEL);  in pcf50633_bl_probe()
112 	if (!pcf_bl)  in pcf50633_bl_probe()
122 		pcf_bl->brightness_limit = pdata->default_brightness_limit;  in pcf50633_bl_probe()
125 		pcf_bl->brightness_limit = 0x3f;  in pcf50633_bl_probe()
128 	pcf_bl->pcf = dev_to_pcf50633(pdev->dev.parent);  in pcf50633_bl_probe()
130 	pcf_bl->bl = devm_backlight_device_register(&pdev->dev, pdev->name,  in pcf50633_bl_probe()
131 						&pdev->dev, pcf_bl,  in pcf50633_bl_probe()
134 	if (IS_ERR(pcf_bl->bl))  in pcf50633_bl_probe()
135 		return PTR_ERR(pcf_bl->bl);  in pcf50633_bl_probe()
137 	platform_set_drvdata(pdev, pcf_bl);  in pcf50633_bl_probe()
139 	pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDDIM, pdata->ramp_time);  in pcf50633_bl_probe()
145 	pcf_bl->brightness = pcf_bl->bl->props.brightness + 1;  in pcf50633_bl_probe()
147 	backlight_update_status(pcf_bl->bl);  in pcf50633_bl_probe()