iio: imu: st_lsm6dsx: add hw timestamp support

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Introduce hw timestamp support instead of compute sample timestamps
according to interrupt rate and configured watermark. LSM6DSx based
devices are able to queue in hw FIFO the time reference of data
sampling

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Lorenzo Bianconi 2018-01-13 18:57:56 +01:00 • committed by Jonathan Cameron

parent 54033f19d8

commit 213451076b

3 changed files with 224 additions and 70 deletions

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29

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h

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161

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c

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104

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c

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