1 // SPDX-License-Identifier: GPL-2.0-or-later
53 	if (wleds->state == DA9052_WLEDS_OFF) {  in da9052_adjust_wled_brightness()
58 	ret = da9052_reg_write(wleds->da9052, DA9052_BOOST_REG, boost_en);  in da9052_adjust_wled_brightness()
62 	ret = da9052_reg_write(wleds->da9052, DA9052_LED_CONT_REG, i_sink);  in da9052_adjust_wled_brightness()
66 	ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], 0x0);  in da9052_adjust_wled_brightness()
72 	if (wleds->brightness) {  in da9052_adjust_wled_brightness()
73 		ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg],  in da9052_adjust_wled_brightness()
74 				       wleds->brightness);  in da9052_adjust_wled_brightness()
82 static int da9052_backlight_update_status(struct backlight_device *bl)  in da9052_backlight_update_status()  argument
84 	int brightness = bl->props.brightness;  in da9052_backlight_update_status()
85 	struct da9052_bl *wleds = bl_get_data(bl);  in da9052_backlight_update_status()
87 	wleds->brightness = brightness;  in da9052_backlight_update_status()
88 	wleds->state = DA9052_WLEDS_ON;  in da9052_backlight_update_status()
93 static int da9052_backlight_get_brightness(struct backlight_device *bl)  in da9052_backlight_get_brightness()  argument
95 	struct da9052_bl *wleds = bl_get_data(bl);  in da9052_backlight_get_brightness()
97 	return wleds->brightness;  in da9052_backlight_get_brightness()
107 	struct backlight_device *bl;  in da9052_backlight_probe()  local
111 	wleds = devm_kzalloc(&pdev->dev, sizeof(struct da9052_bl), GFP_KERNEL);  in da9052_backlight_probe()
113 		return -ENOMEM;  in da9052_backlight_probe()
115 	wleds->da9052 = dev_get_drvdata(pdev->dev.parent);  in da9052_backlight_probe()
116 	wleds->brightness = 0;  in da9052_backlight_probe()
117 	wleds->led_reg = platform_get_device_id(pdev)->driver_data;  in da9052_backlight_probe()
118 	wleds->state = DA9052_WLEDS_OFF;  in da9052_backlight_probe()
124 	bl = devm_backlight_device_register(&pdev->dev, pdev->name,  in da9052_backlight_probe()
125 					wleds->da9052->dev, wleds,  in da9052_backlight_probe()
127 	if (IS_ERR(bl)) {  in da9052_backlight_probe()
128 		dev_err(&pdev->dev, "Failed to register backlight\n");  in da9052_backlight_probe()
129 		return PTR_ERR(bl);  in da9052_backlight_probe()
132 	bl->props.max_brightness = DA9052_MAX_BRIGHTNESS;  in da9052_backlight_probe()
133 	bl->props.brightness = 0;  in da9052_backlight_probe()
134 	platform_set_drvdata(pdev, bl);  in da9052_backlight_probe()
141 	struct backlight_device *bl = platform_get_drvdata(pdev);  in da9052_backlight_remove()  local
142 	struct da9052_bl *wleds = bl_get_data(bl);  in da9052_backlight_remove()
144 	wleds->brightness = 0;  in da9052_backlight_remove()
145 	wleds->state = DA9052_WLEDS_OFF;  in da9052_backlight_remove()
151 		.name		= "da9052-wled1",
155 		.name		= "da9052-wled2",
159 		.name		= "da9052-wled3",
171 		.name	= "da9052-wled",