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()
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()
80 	int brightness = bl->props.brightness;  in tps65217_bl_update_status()  local
82 	if (bl->props.state & BL_CORE_SUSPENDED)  in tps65217_bl_update_status()
83 		brightness = 0;  in tps65217_bl_update_status()
85 	if ((bl->props.power != FB_BLANK_UNBLANK) ||  in tps65217_bl_update_status()
86 		(bl->props.fb_blank != FB_BLANK_UNBLANK))  in tps65217_bl_update_status()
88 		brightness = 0;  in tps65217_bl_update_status()
90 	if (brightness > 0) {  in tps65217_bl_update_status()
91 		rc = tps65217_reg_write(tps65217_bl->tps,  in tps65217_bl_update_status()
93 					brightness - 1,  in tps65217_bl_update_status()
96 			dev_err(tps65217_bl->dev,  in tps65217_bl_update_status()
97 				"failed to set brightness level: %d\n", rc);  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()
126 	switch (pdata->isel) {  in tps65217_bl_hw_init()
128 		/* select ISET_1 current level */  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()
135 				"failed to select ISET1 current level: %d)\n",  in tps65217_bl_hw_init()
140 		dev_dbg(tps65217_bl->dev, "selected ISET1 current level\n");  in tps65217_bl_hw_init()
145 		/* select ISET2 current level */  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()
151 				"failed to select ISET2 current level: %d\n",  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()
162 			"invalid value for current level: %d\n", pdata->isel);  in tps65217_bl_hw_init()
163 		return -EINVAL;  in tps65217_bl_hw_init()
167 	rc = tps65217_set_bits(tps65217_bl->tps,  in tps65217_bl_hw_init()
170 			pdata->fdim,  in tps65217_bl_hw_init()
173 		dev_err(tps65217_bl->dev,  in tps65217_bl_hw_init()
186 	struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);  in tps65217_bl_parse_dt()
191 	node = of_get_child_by_name(tps->dev->of_node, "backlight");  in tps65217_bl_parse_dt()
193 		return ERR_PTR(-ENODEV);  in tps65217_bl_parse_dt()
195 	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);  in tps65217_bl_parse_dt()
197 		err = ERR_PTR(-ENOMEM);  in tps65217_bl_parse_dt()
201 	pdata->isel = TPS65217_BL_ISET1;  in tps65217_bl_parse_dt()
205 			dev_err(&pdev->dev,  in tps65217_bl_parse_dt()
207 			err = ERR_PTR(-EINVAL);  in tps65217_bl_parse_dt()
211 		pdata->isel = val;  in tps65217_bl_parse_dt()
214 	pdata->fdim = TPS65217_BL_FDIM_200HZ;  in tps65217_bl_parse_dt()
218 			pdata->fdim = TPS65217_BL_FDIM_100HZ;  in tps65217_bl_parse_dt()
222 			pdata->fdim = TPS65217_BL_FDIM_200HZ;  in tps65217_bl_parse_dt()
226 			pdata->fdim = TPS65217_BL_FDIM_500HZ;  in tps65217_bl_parse_dt()
230 			pdata->fdim = TPS65217_BL_FDIM_1000HZ;  in tps65217_bl_parse_dt()
234 			dev_err(&pdev->dev,  in tps65217_bl_parse_dt()
236 			err = ERR_PTR(-EINVAL);  in tps65217_bl_parse_dt()
241 	if (!of_property_read_u32(node, "default-brightness", &val)) {  in tps65217_bl_parse_dt()
243 			dev_err(&pdev->dev,  in tps65217_bl_parse_dt()
244 				"invalid 'default-brightness' value in the device tree\n");  in tps65217_bl_parse_dt()
245 			err = ERR_PTR(-EINVAL);  in tps65217_bl_parse_dt()
249 		pdata->dft_brightness = val;  in tps65217_bl_parse_dt()
272 	struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent);  in tps65217_bl_probe()
281 	tps65217_bl = devm_kzalloc(&pdev->dev, sizeof(*tps65217_bl),  in tps65217_bl_probe()
284 		return -ENOMEM;  in tps65217_bl_probe()
286 	tps65217_bl->tps = tps;  in tps65217_bl_probe()
287 	tps65217_bl->dev = &pdev->dev;  in tps65217_bl_probe()
288 	tps65217_bl->is_enabled = false;  in tps65217_bl_probe()
298 	tps65217_bl->bl = devm_backlight_device_register(&pdev->dev, pdev->name,  in tps65217_bl_probe()
299 						tps65217_bl->dev, tps65217_bl,  in tps65217_bl_probe()
301 	if (IS_ERR(tps65217_bl->bl)) {  in tps65217_bl_probe()
302 		dev_err(tps65217_bl->dev,  in tps65217_bl_probe()
304 		return PTR_ERR(tps65217_bl->bl);  in tps65217_bl_probe()
307 	tps65217_bl->bl->props.brightness = pdata->dft_brightness;  in tps65217_bl_probe()
308 	backlight_update_status(tps65217_bl->bl);  in tps65217_bl_probe()
316 	{ .compatible = "ti,tps65217-bl", },
325 		.name	= "tps65217-bl",