Denis CIOCCA | 217494e | 2013-06-03 15:58:00 +0100 | [diff] [blame] | 1 | /* |
| 2 | * STMicroelectronics pressures driver |
| 3 | * |
| 4 | * Copyright 2013 STMicroelectronics Inc. |
| 5 | * |
| 6 | * Denis Ciocca <denis.ciocca@st.com> |
| 7 | * |
| 8 | * Licensed under the GPL-2. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/slab.h> |
| 14 | #include <linux/spi/spi.h> |
| 15 | #include <linux/iio/iio.h> |
| 16 | |
| 17 | #include <linux/iio/common/st_sensors.h> |
| 18 | #include <linux/iio/common/st_sensors_spi.h> |
| 19 | #include "st_pressure.h" |
| 20 | |
| 21 | static int st_press_spi_probe(struct spi_device *spi) |
| 22 | { |
| 23 | struct iio_dev *indio_dev; |
| 24 | struct st_sensor_data *pdata; |
| 25 | int err; |
| 26 | |
Sachin Kamat | d0fe8c8b | 2013-07-30 07:24:00 +0100 | [diff] [blame] | 27 | indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*pdata)); |
| 28 | if (indio_dev == NULL) |
| 29 | return -ENOMEM; |
Denis CIOCCA | 217494e | 2013-06-03 15:58:00 +0100 | [diff] [blame] | 30 | |
| 31 | pdata = iio_priv(indio_dev); |
| 32 | pdata->dev = &spi->dev; |
| 33 | |
| 34 | st_sensors_spi_configure(indio_dev, spi, pdata); |
| 35 | |
Denis CIOCCA | 23cde4d | 2013-06-19 09:28:00 +0100 | [diff] [blame] | 36 | err = st_press_common_probe(indio_dev, spi->dev.platform_data); |
Denis CIOCCA | 217494e | 2013-06-03 15:58:00 +0100 | [diff] [blame] | 37 | if (err < 0) |
Sachin Kamat | d0fe8c8b | 2013-07-30 07:24:00 +0100 | [diff] [blame] | 38 | return err; |
Denis CIOCCA | 217494e | 2013-06-03 15:58:00 +0100 | [diff] [blame] | 39 | |
| 40 | return 0; |
Denis CIOCCA | 217494e | 2013-06-03 15:58:00 +0100 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | static int st_press_spi_remove(struct spi_device *spi) |
| 44 | { |
| 45 | st_press_common_remove(spi_get_drvdata(spi)); |
| 46 | |
| 47 | return 0; |
| 48 | } |
| 49 | |
| 50 | static const struct spi_device_id st_press_id_table[] = { |
| 51 | { LPS331AP_PRESS_DEV_NAME }, |
| 52 | {}, |
| 53 | }; |
| 54 | MODULE_DEVICE_TABLE(spi, st_press_id_table); |
| 55 | |
| 56 | static struct spi_driver st_press_driver = { |
| 57 | .driver = { |
| 58 | .owner = THIS_MODULE, |
| 59 | .name = "st-press-spi", |
| 60 | }, |
| 61 | .probe = st_press_spi_probe, |
| 62 | .remove = st_press_spi_remove, |
| 63 | .id_table = st_press_id_table, |
| 64 | }; |
| 65 | module_spi_driver(st_press_driver); |
| 66 | |
| 67 | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); |
| 68 | MODULE_DESCRIPTION("STMicroelectronics pressures spi driver"); |
| 69 | MODULE_LICENSE("GPL v2"); |