drivers/mfd/rt4831.c

1 // SPDX-License-Identifier: GPL-2.0+
25 	MFD_CELL_OF("rt4831-backlight", NULL, NULL, 0, 0, "richtek,rt4831-backlight"),
26 	MFD_CELL_NAME("rt4831-regulator")
52 	enable_gpio = devm_gpiod_get_optional(&client->dev, "enable", GPIOD_OUT_HIGH);  in rt4831_probe()
54 		dev_err(&client->dev, "Failed to get 'enable' GPIO\n");  in rt4831_probe()
60 		dev_err(&client->dev, "Failed to initialize regmap\n");  in rt4831_probe()
66 		dev_err(&client->dev, "Failed to get H/W revision\n");  in rt4831_probe()
71 		dev_err(&client->dev, "Chip vendor ID 0x%02x not matched\n", chip_id);  in rt4831_probe()
72 		return -ENODEV;  in rt4831_probe()
82 		dev_err(&client->dev, "Failed to enable I2C safety timer\n");  in rt4831_probe()
86 	return devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO, rt4831_subdevs,  in rt4831_probe()
92 	struct regmap *regmap = dev_get_regmap(&client->dev, NULL);  in rt4831_remove()
98 		dev_warn(&client->dev, "Failed to disable outputs (%pe)\n", ERR_PTR(ret));  in rt4831_remove()
102 	{ .compatible = "richtek,rt4831", },
109 		.name = "rt4831",
118 MODULE_DESCRIPTION("Richtek RT4831 core driver");