28 struct tps65217_bl {  struct
35 static int tps65217_bl_enable(struct tps65217_bl *tps65217_bl)  in tps65217_bl_enable()  argument
39 	rc = tps65217_set_bits(tps65217_bl->tps, TPS65217_REG_WLEDCTRL1,  in tps65217_bl_enable()
43 		dev_err(tps65217_bl->dev,  in tps65217_bl_enable()
48 	tps65217_bl->is_enabled = true;  in tps65217_bl_enable()
50 	dev_dbg(tps65217_bl->dev, "backlight enabled\n");  in tps65217_bl_enable()
55 static int tps65217_bl_disable(struct tps65217_bl *tps65217_bl)  in tps65217_bl_disable()  argument
59 	rc = tps65217_clear_bits(tps65217_bl->tps,  in tps65217_bl_disable()
64 		dev_err(tps65217_bl->dev,  in tps65217_bl_disable()
69 	tps65217_bl->is_enabled = false;  in tps65217_bl_disable()
71 	dev_dbg(tps65217_bl->dev, "backlight disabled\n");  in tps65217_bl_disable()
78 	struct tps65217_bl *tps65217_bl = bl_get_data(bl);  in tps65217_bl_update_status()  local
83 		rc = tps65217_reg_write(tps65217_bl->tps,  in tps65217_bl_update_status()
88 			dev_err(tps65217_bl->dev,  in tps65217_bl_update_status()
93 		dev_dbg(tps65217_bl->dev, "brightness set to %d\n", brightness);  in tps65217_bl_update_status()
95 		if (!tps65217_bl->is_enabled)  in tps65217_bl_update_status()
96 			rc = tps65217_bl_enable(tps65217_bl);  in tps65217_bl_update_status()
98 		rc = tps65217_bl_disable(tps65217_bl);  in tps65217_bl_update_status()
109 static int tps65217_bl_hw_init(struct tps65217_bl *tps65217_bl,  in tps65217_bl_hw_init()  argument
114 	rc = tps65217_bl_disable(tps65217_bl);  in tps65217_bl_hw_init()
121 		rc = tps65217_clear_bits(tps65217_bl->tps,  in tps65217_bl_hw_init()
126 			dev_err(tps65217_bl->dev,  in tps65217_bl_hw_init()
132 		dev_dbg(tps65217_bl->dev, "selected ISET1 current level\n");  in tps65217_bl_hw_init()
138 		rc = tps65217_set_bits(tps65217_bl->tps, TPS65217_REG_WLEDCTRL1,  in tps65217_bl_hw_init()
142 			dev_err(tps65217_bl->dev,  in tps65217_bl_hw_init()
148 		dev_dbg(tps65217_bl->dev, "selected ISET2 current level\n");  in tps65217_bl_hw_init()
153 		dev_err(tps65217_bl->dev,  in tps65217_bl_hw_init()
159 	rc = tps65217_set_bits(tps65217_bl->tps,  in tps65217_bl_hw_init()
165 		dev_err(tps65217_bl->dev,  in tps65217_bl_hw_init()
265 	struct tps65217_bl *tps65217_bl;  in tps65217_bl_probe()  local
273 	tps65217_bl = devm_kzalloc(&pdev->dev, sizeof(*tps65217_bl),  in tps65217_bl_probe()
275 	if (tps65217_bl == NULL)  in tps65217_bl_probe()
278 	tps65217_bl->tps = tps;  in tps65217_bl_probe()
279 	tps65217_bl->dev = &pdev->dev;  in tps65217_bl_probe()
280 	tps65217_bl->is_enabled = false;  in tps65217_bl_probe()
282 	rc = tps65217_bl_hw_init(tps65217_bl, pdata);  in tps65217_bl_probe()
290 	tps65217_bl->bl = devm_backlight_device_register(&pdev->dev, pdev->name,  in tps65217_bl_probe()
291 						tps65217_bl->dev, tps65217_bl,  in tps65217_bl_probe()
293 	if (IS_ERR(tps65217_bl->bl)) {  in tps65217_bl_probe()
294 		dev_err(tps65217_bl->dev,  in tps65217_bl_probe()
296 		return PTR_ERR(tps65217_bl->bl);  in tps65217_bl_probe()
299 	tps65217_bl->bl->props.brightness = pdata->dft_brightness;  in tps65217_bl_probe()
300 	backlight_update_status(tps65217_bl->bl);  in tps65217_bl_probe()
301 	platform_set_drvdata(pdev, tps65217_bl);  in tps65217_bl_probe()