38 	struct pcf50633_bl *pcf_bl = platform_get_drvdata(pcf->bl_pdev);  in pcf50633_bl_set_brightness_limit()  local
40 	if (!pcf_bl)  in pcf50633_bl_set_brightness_limit()
43 	pcf_bl->brightness_limit = limit & 0x3f;  in pcf50633_bl_set_brightness_limit()
44 	backlight_update_status(pcf_bl->bl);  in pcf50633_bl_set_brightness_limit()
51 	struct pcf50633_bl *pcf_bl = bl_get_data(bl);  in pcf50633_bl_update_status()  local
58 	else if (bl->props.brightness < pcf_bl->brightness_limit)  in pcf50633_bl_update_status()
61 		new_brightness = pcf_bl->brightness_limit;  in pcf50633_bl_update_status()
64 	if (pcf_bl->brightness == new_brightness)  in pcf50633_bl_update_status()
68 		pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDOUT,  in pcf50633_bl_update_status()
70 		if (!pcf_bl->brightness)  in pcf50633_bl_update_status()
71 			pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDENA, 1);  in pcf50633_bl_update_status()
73 		pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDENA, 0);  in pcf50633_bl_update_status()
76 	pcf_bl->brightness = new_brightness;  in pcf50633_bl_update_status()
83 	struct pcf50633_bl *pcf_bl = bl_get_data(bl);  in pcf50633_bl_get_brightness()  local
85 	return pcf_bl->brightness;  in pcf50633_bl_get_brightness()
96 	struct pcf50633_bl *pcf_bl;  in pcf50633_bl_probe()  local
102 	pcf_bl = devm_kzalloc(&pdev->dev, sizeof(*pcf_bl), GFP_KERNEL);  in pcf50633_bl_probe()
103 	if (!pcf_bl)  in pcf50633_bl_probe()
113 		pcf_bl->brightness_limit = pdata->default_brightness_limit;  in pcf50633_bl_probe()
116 		pcf_bl->brightness_limit = 0x3f;  in pcf50633_bl_probe()
119 	pcf_bl->pcf = dev_to_pcf50633(pdev->dev.parent);  in pcf50633_bl_probe()
121 	pcf_bl->bl = devm_backlight_device_register(&pdev->dev, pdev->name,  in pcf50633_bl_probe()
122 						&pdev->dev, pcf_bl,  in pcf50633_bl_probe()
125 	if (IS_ERR(pcf_bl->bl))  in pcf50633_bl_probe()
126 		return PTR_ERR(pcf_bl->bl);  in pcf50633_bl_probe()
128 	platform_set_drvdata(pdev, pcf_bl);  in pcf50633_bl_probe()
130 	pcf50633_reg_write(pcf_bl->pcf, PCF50633_REG_LEDDIM, pdata->ramp_time);  in pcf50633_bl_probe()
136 	pcf_bl->brightness = pcf_bl->bl->props.brightness + 1;  in pcf50633_bl_probe()
138 	backlight_update_status(pcf_bl->bl);  in pcf50633_bl_probe()