diff options
Diffstat (limited to 'drivers/iio/gyro/st_gyro_i2c.c')
-rw-r--r-- | drivers/iio/gyro/st_gyro_i2c.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c new file mode 100644 index 00000000000..a44b5b4a201 --- /dev/null +++ b/drivers/iio/gyro/st_gyro_i2c.c @@ -0,0 +1,85 @@ +/* + * STMicroelectronics gyroscopes driver + * + * Copyright 2012-2013 STMicroelectronics Inc. + * + * Denis Ciocca <denis.ciocca@st.com> + * + * Licensed under the GPL-2. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/i2c.h> +#include <linux/iio/iio.h> +#include <linux/iio/trigger.h> + +#include <linux/iio/common/st_sensors.h> +#include <linux/iio/common/st_sensors_i2c.h> +#include "st_gyro.h" + +static int st_gyro_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct iio_dev *indio_dev; + struct st_sensor_data *gdata; + int err; + + indio_dev = iio_device_alloc(sizeof(*gdata)); + if (indio_dev == NULL) { + err = -ENOMEM; + goto iio_device_alloc_error; + } + + gdata = iio_priv(indio_dev); + gdata->dev = &client->dev; + + st_sensors_i2c_configure(indio_dev, client, gdata); + + err = st_gyro_common_probe(indio_dev); + if (err < 0) + goto st_gyro_common_probe_error; + + return 0; + +st_gyro_common_probe_error: + iio_device_free(indio_dev); +iio_device_alloc_error: + return err; +} + +static int st_gyro_i2c_remove(struct i2c_client *client) +{ + st_gyro_common_remove(i2c_get_clientdata(client)); + + return 0; +} + +static const struct i2c_device_id st_gyro_id_table[] = { + { L3G4200D_GYRO_DEV_NAME }, + { LSM330D_GYRO_DEV_NAME }, + { LSM330DL_GYRO_DEV_NAME }, + { LSM330DLC_GYRO_DEV_NAME }, + { L3GD20_GYRO_DEV_NAME }, + { L3GD20H_GYRO_DEV_NAME }, + { L3G4IS_GYRO_DEV_NAME }, + { LSM330_GYRO_DEV_NAME }, + {}, +}; +MODULE_DEVICE_TABLE(i2c, st_gyro_id_table); + +static struct i2c_driver st_gyro_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "st-gyro-i2c", + }, + .probe = st_gyro_i2c_probe, + .remove = st_gyro_i2c_remove, + .id_table = st_gyro_id_table, +}; +module_i2c_driver(st_gyro_driver); + +MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); +MODULE_DESCRIPTION("STMicroelectronics gyroscopes i2c driver"); +MODULE_LICENSE("GPL v2"); |