regmap = devm_regmap_init_i2c(client, &sp7731e_regmap_config); if (IS_ERR(regmap)) return PTR_ERR(regmap);
static int sp7731e_probe(struct i2c_client *client)
/* Save driver data if needed */ i2c_set_clientdata(client, regmap); return 0;
static struct regulator_init_data sp7731e_buck1_init = /* consumer supplies, constraints, etc. */ ;
/* Register MFD cells (regulators, irq, etc.) */ ret = devm_mfd_add_devices(&client->dev, -1, sp7731e_cells, ARRAY_SIZE(sp7731e_cells), NULL, 0, NULL); if (ret) return ret;