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Release 4.7 drivers/iio/imu/inv_mpu6050/inv_mpu_spi.c

/*
* Copyright (C) 2015 Intel Corporation Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/acpi.h>
#include <linux/spi/spi.h>
#include <linux/regmap.h>
#include <linux/iio/iio.h>
#include "inv_mpu_iio.h"


static const struct regmap_config inv_mpu_regmap_config = {
	.reg_bits = 8,
	.val_bits = 8,
};


static int inv_mpu_i2c_disable(struct iio_dev *indio_dev) { struct inv_mpu6050_state *st = iio_priv(indio_dev); int ret = 0; ret = inv_mpu6050_set_power_itg(st, true); if (ret) return ret; ret = regmap_write(st->map, INV_MPU6050_REG_USER_CTRL, INV_MPU6050_BIT_I2C_IF_DIS); if (ret) { inv_mpu6050_set_power_itg(st, false); return ret; } return inv_mpu6050_set_power_itg(st, false); }

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adriana reusadriana reus79100.00%1100.00%
Total79100.00%1100.00%


static int inv_mpu_probe(struct spi_device *spi) { struct regmap *regmap; const struct spi_device_id *spi_id; const struct acpi_device_id *acpi_id; const char *name = NULL; enum inv_devices chip_type; if ((spi_id = spi_get_device_id(spi))) { chip_type = (enum inv_devices)spi_id->driver_data; name = spi_id->name; } else if ((acpi_id = acpi_match_device(spi->dev.driver->acpi_match_table, &spi->dev))) { chip_type = (enum inv_devices)acpi_id->driver_data; } else { return -ENODEV; } regmap = devm_regmap_init_spi(spi, &inv_mpu_regmap_config); if (IS_ERR(regmap)) { dev_err(&spi->dev, "Failed to register spi regmap %d\n", (int)PTR_ERR(regmap)); return PTR_ERR(regmap); } return inv_mpu_core_probe(regmap, spi->irq, name, inv_mpu_i2c_disable, chip_type); }

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adriana reusadriana reus8550.30%125.00%
crestez dan leonardcrestez dan leonard7946.75%125.00%
matthew ranostaymatthew ranostay52.96%250.00%
Total169100.00%4100.00%


static int inv_mpu_remove(struct spi_device *spi) { return inv_mpu_core_remove(&spi->dev); }

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/* * device id table is used to identify what device can be * supported by this driver */ static const struct spi_device_id inv_mpu_id[] = { {"mpu6000", INV_MPU6000}, {"mpu6500", INV_MPU6500}, {"mpu9150", INV_MPU9150}, {} }; MODULE_DEVICE_TABLE(spi, inv_mpu_id); static const struct acpi_device_id inv_acpi_match[] = { {"INVN6000", INV_MPU6000}, { }, }; MODULE_DEVICE_TABLE(acpi, inv_acpi_match); static struct spi_driver inv_mpu_driver = { .probe = inv_mpu_probe, .remove = inv_mpu_remove, .id_table = inv_mpu_id, .driver = { .acpi_match_table = ACPI_PTR(inv_acpi_match), .name = "inv-mpu6000-spi", .pm = &inv_mpu_pmops, }, }; module_spi_driver(inv_mpu_driver); MODULE_AUTHOR("Adriana Reus <adriana.reus@intel.com>"); MODULE_DESCRIPTION("Invensense device MPU6000 driver"); MODULE_LICENSE("GPL");

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adriana reusadriana reus33577.55%116.67%
crestez dan leonardcrestez dan leonard9221.30%350.00%
matthew ranostaymatthew ranostay51.16%233.33%
Total432100.00%6100.00%
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