diff options
Diffstat (limited to 'drivers/iio/common/ssp_sensors/ssp_iio.c')
| -rw-r--r-- | drivers/iio/common/ssp_sensors/ssp_iio.c | 29 |
1 files changed, 9 insertions, 20 deletions
diff --git a/drivers/iio/common/ssp_sensors/ssp_iio.c b/drivers/iio/common/ssp_sensors/ssp_iio.c index 645f2e3975db..78ac689de2fe 100644 --- a/drivers/iio/common/ssp_sensors/ssp_iio.c +++ b/drivers/iio/common/ssp_sensors/ssp_iio.c @@ -1,16 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2014, Samsung Electronics Co. Ltd. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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/iio/common/ssp_sensors.h> @@ -18,6 +8,8 @@ #include <linux/iio/kfifo_buf.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/unaligned.h> +#include <linux/units.h> #include "ssp_iio_sensor.h" /** @@ -42,7 +34,7 @@ int ssp_common_buffer_postenable(struct iio_dev *indio_dev) return ssp_enable_sensor(data, spd->type, ssp_get_sensor_delay(data, spd->type)); } -EXPORT_SYMBOL(ssp_common_buffer_postenable); +EXPORT_SYMBOL_NS(ssp_common_buffer_postenable, "IIO_SSP_SENSORS"); /** * ssp_common_buffer_postdisable() - generic postdisable callback for ssp buffer @@ -65,7 +57,7 @@ int ssp_common_buffer_postdisable(struct iio_dev *indio_dev) return ret; } -EXPORT_SYMBOL(ssp_common_buffer_postdisable); +EXPORT_SYMBOL_NS(ssp_common_buffer_postdisable, "IIO_SSP_SENSORS"); /** * ssp_common_process_data() - Common process data callback for ssp sensors @@ -80,7 +72,6 @@ EXPORT_SYMBOL(ssp_common_buffer_postdisable); int ssp_common_process_data(struct iio_dev *indio_dev, void *buf, unsigned int len, int64_t timestamp) { - __le32 time; int64_t calculated_time; struct ssp_sensor_data *spd = iio_priv(indio_dev); @@ -92,17 +83,15 @@ int ssp_common_process_data(struct iio_dev *indio_dev, void *buf, */ memcpy(spd->buffer, buf, len); - if (indio_dev->scan_timestamp) { - memcpy(&time, &((char *)buf)[len], SSP_TIME_SIZE); - calculated_time = - timestamp + (int64_t)le32_to_cpu(time) * 1000000; - } + calculated_time = timestamp + + (int64_t)get_unaligned_le32(buf + len) * MEGA; return iio_push_to_buffers_with_timestamp(indio_dev, spd->buffer, calculated_time); } -EXPORT_SYMBOL(ssp_common_process_data); +EXPORT_SYMBOL_NS(ssp_common_process_data, "IIO_SSP_SENSORS"); MODULE_AUTHOR("Karol Wrona <k.wrona@samsung.com>"); MODULE_DESCRIPTION("Samsung sensorhub commons"); MODULE_LICENSE("GPL"); +MODULE_IMPORT_NS("IIO_SSP_SENSORS"); |