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 *press_data; 25 int err; 26 27 indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*press_data)); 28 if (indio_dev == NULL) 29 return -ENOMEM; 30 31 press_data = iio_priv(indio_dev); 32 33 st_sensors_spi_configure(indio_dev, spi, press_data); 34 35 err = st_press_common_probe(indio_dev); 36 if (err < 0) 37 return err; 38 39 return 0; 40 } 41 42 static int st_press_spi_remove(struct spi_device *spi) 43 { 44 st_press_common_remove(spi_get_drvdata(spi)); 45 46 return 0; 47 } 48 49 static const struct spi_device_id st_press_id_table[] = { 50 { LPS001WP_PRESS_DEV_NAME }, 51 { LPS25H_PRESS_DEV_NAME }, 52 { LPS331AP_PRESS_DEV_NAME }, 53 { LPS22HB_PRESS_DEV_NAME }, 54 {}, 55 }; 56 MODULE_DEVICE_TABLE(spi, st_press_id_table); 57 58 static struct spi_driver st_press_driver = { 59 .driver = { 60 .name = "st-press-spi", 61 }, 62 .probe = st_press_spi_probe, 63 .remove = st_press_spi_remove, 64 .id_table = st_press_id_table, 65 }; 66 module_spi_driver(st_press_driver); 67 68 MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); 69 MODULE_DESCRIPTION("STMicroelectronics pressures spi driver"); 70 MODULE_LICENSE("GPL v2"); 71