diff options
Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c')
-rw-r--r-- | drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c index 2c0d3763405a..e4d8a79d557d 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * STMicroelectronics st_lsm6dsx FIFO buffer library driver * @@ -13,9 +14,9 @@ * (e.g. Gx, Gy, Gz, Ax, Ay, Az), then data are repeated depending on the * value of the decimation factor and ODR set for each FIFO data set. * - * LSM6DSO: The FIFO buffer can be configured to store data from gyroscope and - * accelerometer. Each sample is queued with a tag (1B) indicating data source - * (gyroscope, accelerometer, hw timer). + * LSM6DSO/LSM6DSOX/ASM330LHH/LSM6DSR: The FIFO buffer can be configured to + * store data from gyroscope and accelerometer. Each sample is queued with + * a tag (1B) indicating data source (gyroscope, accelerometer, hw timer). * * FIFO supported modes: * - BYPASS: FIFO disabled @@ -26,8 +27,6 @@ * * Lorenzo Bianconi <lorenzo.bianconi@st.com> * Denis Ciocca <denis.ciocca@st.com> - * - * Licensed under the GPL-2. */ #include <linux/module.h> #include <linux/interrupt.h> @@ -506,7 +505,7 @@ st_lsm6dsx_push_tagged_data(struct st_lsm6dsx_hw *hw, u8 tag, } /** - * st_lsm6dsx_read_tagged_fifo() - LSM6DSO read FIFO routine + * st_lsm6dsx_read_tagged_fifo() - tagged hw FIFO read routine * @hw: Pointer to instance of struct st_lsm6dsx_hw. * * Read samples from the hw FIFO and push them to IIO buffers. @@ -517,7 +516,6 @@ int st_lsm6dsx_read_tagged_fifo(struct st_lsm6dsx_hw *hw) { u16 pattern_len = hw->sip * ST_LSM6DSX_TAGGED_SAMPLE_SIZE; u16 fifo_len, fifo_diff_mask; - struct st_lsm6dsx_sensor *acc_sensor, *gyro_sensor; u8 iio_buff[ST_LSM6DSX_IIO_BUFF_SIZE], tag; bool reset_ts = false; int i, err, read_len; @@ -539,9 +537,6 @@ int st_lsm6dsx_read_tagged_fifo(struct st_lsm6dsx_hw *hw) if (!fifo_len) return 0; - acc_sensor = iio_priv(hw->iio_devs[ST_LSM6DSX_ID_ACC]); - gyro_sensor = iio_priv(hw->iio_devs[ST_LSM6DSX_ID_GYRO]); - for (read_len = 0; read_len < fifo_len; read_len += pattern_len) { err = st_lsm6dsx_read_block(hw, ST_LSM6DSX_REG_FIFO_OUT_TAG_ADDR, |