1 // SPDX-License-Identifier: GPL-2.0-only
3  * isl6271a-regulator.c
23 /* PMIC details */
31 	struct isl_pmic *pmic = rdev_get_drvdata(dev);  in isl6271a_get_voltage_sel()  local
34 	mutex_lock(&pmic->mtx);  in isl6271a_get_voltage_sel()
36 	idx = i2c_smbus_read_byte(pmic->client);  in isl6271a_get_voltage_sel()
38 		dev_err(&pmic->client->dev, "Error getting voltage\n");  in isl6271a_get_voltage_sel()
40 	mutex_unlock(&pmic->mtx);  in isl6271a_get_voltage_sel()
47 	struct isl_pmic *pmic = rdev_get_drvdata(dev);  in isl6271a_set_voltage_sel()  local
50 	mutex_lock(&pmic->mtx);  in isl6271a_set_voltage_sel()
52 	err = i2c_smbus_write_byte(pmic->client, selector);  in isl6271a_set_voltage_sel()
54 		dev_err(&pmic->client->dev, "Error setting voltage\n");  in isl6271a_set_voltage_sel()
56 	mutex_unlock(&pmic->mtx);  in isl6271a_set_voltage_sel()
74 		.id		= 0,
83 		.id		= 1,
91 		.id		= 2,
102 	const struct i2c_device_id *id = i2c_client_get_device_id(i2c);  in isl6271a_probe()  local
105 	struct regulator_init_data *init_data	= dev_get_platdata(&i2c->dev);  in isl6271a_probe()
106 	struct isl_pmic *pmic;  in isl6271a_probe()  local
109 	if (!i2c_check_functionality(i2c->adapter, I2C_FUNC_SMBUS_BYTE_DATA))  in isl6271a_probe()
110 		return -EIO;  in isl6271a_probe()
112 	pmic = devm_kzalloc(&i2c->dev, sizeof(struct isl_pmic), GFP_KERNEL);  in isl6271a_probe()
113 	if (!pmic)  in isl6271a_probe()
114 		return -ENOMEM;  in isl6271a_probe()
116 	pmic->client = i2c;  in isl6271a_probe()
118 	mutex_init(&pmic->mtx);  in isl6271a_probe()
121 		config.dev = &i2c->dev;  in isl6271a_probe()
126 		config.driver_data = pmic;  in isl6271a_probe()
128 		rdev = devm_regulator_register(&i2c->dev, &isl_rd[i], &config);  in isl6271a_probe()
130 			dev_err(&i2c->dev, "failed to register %s\n", id->name);  in isl6271a_probe()
135 	i2c_set_clientdata(i2c, pmic);  in isl6271a_probe()