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
91 		rc = tps65217_reg_write(tps65217_bl->tps,  in tps65217_bl_update_status()
96 			dev_err(tps65217_bl->dev,  in tps65217_bl_update_status()
101 		dev_dbg(tps65217_bl->dev, "brightness set to %d\n", brightness);  in tps65217_bl_update_status()
103 		if (!tps65217_bl->is_enabled)  in tps65217_bl_update_status()
104 			rc = tps65217_bl_enable(tps65217_bl);  in tps65217_bl_update_status()
106 		rc = tps65217_bl_disable(tps65217_bl);  in tps65217_bl_update_status()
117 static int tps65217_bl_hw_init(struct tps65217_bl *tps65217_bl,  in tps65217_bl_hw_init()  argument
122 	rc = tps65217_bl_disable(tps65217_bl);  in tps65217_bl_hw_init()
129 		rc = tps65217_clear_bits(tps65217_bl->tps,  in tps65217_bl_hw_init()
134 			dev_err(tps65217_bl->dev,  in tps65217_bl_hw_init()
140 		dev_dbg(tps65217_bl->dev, "selected ISET1 current level\n");  in tps65217_bl_hw_init()
146 		rc = tps65217_set_bits(tps65217_bl->tps, TPS65217_REG_WLEDCTRL1,  in tps65217_bl_hw_init()
150 			dev_err(tps65217_bl->dev,  in tps65217_bl_hw_init()
156 		dev_dbg(tps65217_bl->dev, "selected ISET2 current level\n");  in tps65217_bl_hw_init()
161 		dev_err(tps65217_bl->dev,  in tps65217_bl_hw_init()
167 	rc = tps65217_set_bits(tps65217_bl->tps,  in tps65217_bl_hw_init()
173 		dev_err(tps65217_bl->dev,  in tps65217_bl_hw_init()
274 	struct tps65217_bl *tps65217_bl;  in tps65217_bl_probe()  local
290 	tps65217_bl = devm_kzalloc(&pdev->dev, sizeof(*tps65217_bl),  in tps65217_bl_probe()
292 	if (tps65217_bl == NULL)  in tps65217_bl_probe()
295 	tps65217_bl->tps = tps;  in tps65217_bl_probe()
296 	tps65217_bl->dev = &pdev->dev;  in tps65217_bl_probe()
297 	tps65217_bl->is_enabled = false;  in tps65217_bl_probe()
299 	rc = tps65217_bl_hw_init(tps65217_bl, pdata);  in tps65217_bl_probe()
307 	tps65217_bl->bl = devm_backlight_device_register(&pdev->dev, pdev->name,  in tps65217_bl_probe()
308 						tps65217_bl->dev, tps65217_bl,  in tps65217_bl_probe()
310 	if (IS_ERR(tps65217_bl->bl)) {  in tps65217_bl_probe()
311 		dev_err(tps65217_bl->dev,  in tps65217_bl_probe()
313 		return PTR_ERR(tps65217_bl->bl);  in tps65217_bl_probe()
316 	tps65217_bl->bl->props.brightness = pdata->dft_brightness;  in tps65217_bl_probe()
317 	backlight_update_status(tps65217_bl->bl);  in tps65217_bl_probe()
318 	platform_set_drvdata(pdev, tps65217_bl);  in tps65217_bl_probe()