root/drivers/iio/magnetometer/bmc150_magn_i2c.c

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DEFINITIONS

This source file includes following definitions.
  1. bmc150_magn_i2c_probe
  2. bmc150_magn_i2c_remove

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * 3-axis magnetometer driver supporting following I2C Bosch-Sensortec chips:
   4  *  - BMC150
   5  *  - BMC156
   6  *  - BMM150
   7  *
   8  * Copyright (c) 2016, Intel Corporation.
   9  */
  10 #include <linux/device.h>
  11 #include <linux/mod_devicetable.h>
  12 #include <linux/i2c.h>
  13 #include <linux/module.h>
  14 #include <linux/acpi.h>
  15 #include <linux/regmap.h>
  16 
  17 #include "bmc150_magn.h"
  18 
  19 static int bmc150_magn_i2c_probe(struct i2c_client *client,
  20                                  const struct i2c_device_id *id)
  21 {
  22         struct regmap *regmap;
  23         const char *name = NULL;
  24 
  25         regmap = devm_regmap_init_i2c(client, &bmc150_magn_regmap_config);
  26         if (IS_ERR(regmap)) {
  27                 dev_err(&client->dev, "Failed to initialize i2c regmap\n");
  28                 return PTR_ERR(regmap);
  29         }
  30 
  31         if (id)
  32                 name = id->name;
  33 
  34         return bmc150_magn_probe(&client->dev, regmap, client->irq, name);
  35 }
  36 
  37 static int bmc150_magn_i2c_remove(struct i2c_client *client)
  38 {
  39         return bmc150_magn_remove(&client->dev);
  40 }
  41 
  42 static const struct acpi_device_id bmc150_magn_acpi_match[] = {
  43         {"BMC150B", 0},
  44         {"BMC156B", 0},
  45         {"BMM150B", 0},
  46         {},
  47 };
  48 MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
  49 
  50 static const struct i2c_device_id bmc150_magn_i2c_id[] = {
  51         {"bmc150_magn", 0},
  52         {"bmc156_magn", 0},
  53         {"bmm150_magn", 0},
  54         {}
  55 };
  56 MODULE_DEVICE_TABLE(i2c, bmc150_magn_i2c_id);
  57 
  58 static const struct of_device_id bmc150_magn_of_match[] = {
  59         { .compatible = "bosch,bmc150_magn" },
  60         { .compatible = "bosch,bmc156_magn" },
  61         { .compatible = "bosch,bmm150_magn" },
  62         { }
  63 };
  64 MODULE_DEVICE_TABLE(of, bmc150_magn_of_match);
  65 
  66 static struct i2c_driver bmc150_magn_driver = {
  67         .driver = {
  68                 .name   = "bmc150_magn_i2c",
  69                 .of_match_table = bmc150_magn_of_match,
  70                 .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
  71                 .pm     = &bmc150_magn_pm_ops,
  72         },
  73         .probe          = bmc150_magn_i2c_probe,
  74         .remove         = bmc150_magn_i2c_remove,
  75         .id_table       = bmc150_magn_i2c_id,
  76 };
  77 module_i2c_driver(bmc150_magn_driver);
  78 
  79 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
  80 MODULE_LICENSE("GPL v2");
  81 MODULE_DESCRIPTION("BMC150 I2C magnetometer driver");

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