kernel/drivers/iio/gyro/bmg160_i2c.c

   1 #include <linux/i2c.h>
   2 #include <linux/regmap.h>
   3 #include <linux/iio/iio.h>
   4 #include <linux/module.h>
   5 #include <linux/acpi.h>
   6
   7 #include "bmg160.h"
   8
   9 static const struct regmap_config bmg160_regmap_i2c_conf = {
  10         .reg_bits = 8,
  11         .val_bits = 8,
  12         .max_register = 0x3f
  13 };
  14
  15 static int bmg160_i2c_probe(struct i2c_client *client,
  16                             const struct i2c_device_id *id)
  17 {
  18         struct regmap *regmap;
  19         const char *name = NULL;
  20
  21         regmap = devm_regmap_init_i2c(client, &bmg160_regmap_i2c_conf);
  22         if (IS_ERR(regmap)) {
  23                 dev_err(&client->dev, "Failed to register i2c regmap %d\n",
  24                         (int)PTR_ERR(regmap));
  25                 return PTR_ERR(regmap);
  26         }
  27
  28         if (id)
  29                 name = id->name;
  30
  31         return bmg160_core_probe(&client->dev, regmap, client->irq, name);
  32 }
  33
  34 static int bmg160_i2c_remove(struct i2c_client *client)
  35 {
  36         bmg160_core_remove(&client->dev);
  37
  38         return 0;
  39 }
  40
  41 static const struct acpi_device_id bmg160_acpi_match[] = {
  42         {"BMG0160", 0},
  43         {"BMI055B", 0},
  44         {},
  45 };
  46
  47 MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
  48
  49 static const struct i2c_device_id bmg160_i2c_id[] = {
  50         {"bmg160", 0},
  51         {"bmi055_gyro", 0},
  52         {}
  53 };
  54
  55 MODULE_DEVICE_TABLE(i2c, bmg160_i2c_id);
  56
  57 static struct i2c_driver bmg160_i2c_driver = {
  58         .driver = {
  59                 .name   = "bmg160_i2c",
  60                 .acpi_match_table = ACPI_PTR(bmg160_acpi_match),
  61                 .pm     = &bmg160_pm_ops,
  62         },
  63         .probe          = bmg160_i2c_probe,
  64         .remove         = bmg160_i2c_remove,
  65         .id_table       = bmg160_i2c_id,
  66 };
  67 module_i2c_driver(bmg160_i2c_driver);
  68
  69 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
  70 MODULE_LICENSE("GPL v2");
  71 MODULE_DESCRIPTION("BMG160 I2C Gyro driver");