drivers/iio/accel/kxsd9-i2c.c

   1 #include <linux/device.h>
   2 #include <linux/kernel.h>
   3 #include <linux/module.h>
   4 #include <linux/slab.h>
   5 #include <linux/i2c.h>
   6 #include <linux/delay.h>
   7 #include <linux/regmap.h>
   8
   9 #include "kxsd9.h"
  10
  11 static int kxsd9_i2c_probe(struct i2c_client *i2c,
  12                            const struct i2c_device_id *id)
  13 {
  14         static const struct regmap_config config = {
  15                 .reg_bits = 8,
  16                 .val_bits = 8,
  17                 .max_register = 0x0e,
  18         };
  19         struct regmap *regmap;
  20
  21         regmap = devm_regmap_init_i2c(i2c, &config);
  22         if (IS_ERR(regmap)) {
  23                 dev_err(&i2c->dev, "Failed to register i2c regmap %d\n",
  24                         (int)PTR_ERR(regmap));
  25                 return PTR_ERR(regmap);
  26         }
  27
  28         return kxsd9_common_probe(&i2c->dev,
  29                                   regmap,
  30                                   i2c->name);
  31 }
  32
  33 static int kxsd9_i2c_remove(struct i2c_client *client)
  34 {
  35         return kxsd9_common_remove(&client->dev);
  36 }
  37
  38 #ifdef CONFIG_OF
  39 static const struct of_device_id kxsd9_of_match[] = {
  40         { .compatible = "kionix,kxsd9", },
  41         { },
  42 };
  43 MODULE_DEVICE_TABLE(of, kxsd9_of_match);
  44 #else
  45 #define kxsd9_of_match NULL
  46 #endif
  47
  48 static const struct i2c_device_id kxsd9_i2c_id[] = {
  49         {"kxsd9", 0},
  50         { },
  51 };
  52 MODULE_DEVICE_TABLE(i2c, kxsd9_i2c_id);
  53
  54 static struct i2c_driver kxsd9_i2c_driver = {
  55         .driver = {
  56                 .name   = "kxsd9",
  57                 .of_match_table = of_match_ptr(kxsd9_of_match),
  58                 .pm = &kxsd9_dev_pm_ops,
  59         },
  60         .probe          = kxsd9_i2c_probe,
  61         .remove         = kxsd9_i2c_remove,
  62         .id_table       = kxsd9_i2c_id,
  63 };
  64 module_i2c_driver(kxsd9_i2c_driver);