drivers/iio/accel/kxsd9-spi.c

   1 #include <linux/device.h>
   2 #include <linux/kernel.h>
   3 #include <linux/spi/spi.h>
   4 #include <linux/module.h>
   5 #include <linux/slab.h>
   6 #include <linux/regmap.h>
   7
   8 #include "kxsd9.h"
   9
  10 static int kxsd9_spi_probe(struct spi_device *spi)
  11 {
  12         static const struct regmap_config config = {
  13                 .reg_bits = 8,
  14                 .val_bits = 8,
  15                 .max_register = 0x0e,
  16         };
  17         struct regmap *regmap;
  18
  19         spi->mode = SPI_MODE_0;
  20         regmap = devm_regmap_init_spi(spi, &config);
  21         if (IS_ERR(regmap)) {
  22                 dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n",
  23                         __func__, PTR_ERR(regmap));
  24                 return PTR_ERR(regmap);
  25         }
  26
  27         return kxsd9_common_probe(&spi->dev,
  28                                   regmap,
  29                                   spi_get_device_id(spi)->name);
  30 }
  31
  32 static int kxsd9_spi_remove(struct spi_device *spi)
  33 {
  34         return kxsd9_common_remove(&spi->dev);
  35 }
  36
  37 static const struct spi_device_id kxsd9_spi_id[] = {
  38         {"kxsd9", 0},
  39         { },
  40 };
  41 MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
  42
  43 static struct spi_driver kxsd9_spi_driver = {
  44         .driver = {
  45                 .name = "kxsd9",
  46                 .pm = &kxsd9_dev_pm_ops,
  47         },
  48         .probe = kxsd9_spi_probe,
  49         .remove = kxsd9_spi_remove,
  50         .id_table = kxsd9_spi_id,
  51 };
  52 module_spi_driver(kxsd9_spi_driver);
  53
  54 MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
  55 MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
  56 MODULE_LICENSE("GPL v2");