iio: imu: st_lsm6dsx: flush hw FIFO before resetting the device

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flush hw FIFO before device reset in order to avoid possible races
on interrupt line 1. If the first interrupt line is asserted during
hw reset the device will work in I3C-only mode (if it is supported)

Fixes: 801a6e0af0 ("iio: imu: st_lsm6dsx: add support to LSM6DSO")
Fixes: 43901008fd ("iio: imu: st_lsm6dsx: add support to LSM6DSR")
Reported-by: Mario Tesi <mario.tesi@st.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Vitor Soares <vitor.soares@synopsys.com>
Tested-by: Vitor Soares <vitor.soares@synopsys.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Lorenzo Bianconi 2020-03-13 19:06:00 +01:00 • committed by Jonathan Cameron

parent 5403f28076

commit 3a63da26db

1 changed files with 23 additions and 1 deletions

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drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c

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