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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2023-02-27 12:14:56 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2023-03-11 12:18:29 +0000 |
| commit | db3c490503bee4d0611f9fc17fcd8cfe6fcdbcad (patch) | |
| tree | 170a89bd8a614035a2f3fda52e52c0ef688332dd /drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | |
| parent | accb9d05df394c38db2a1bab416ee25d6078ca5c (diff) | |
| download | linux-stable-db3c490503bee4d0611f9fc17fcd8cfe6fcdbcad.tar.gz linux-stable-db3c490503bee4d0611f9fc17fcd8cfe6fcdbcad.tar.bz2 linux-stable-db3c490503bee4d0611f9fc17fcd8cfe6fcdbcad.zip | |
iio: imu: st_lsm6dsx: discard samples during filters settling time
During digital filters settling time the driver is expected to drop
samples since they can be corrupted. Introduce the capability to drop
a given number of samples according to the configured ODR.
Add sample_to_discard for LSM6DSM-like sensors since new generation
devices (e.g. LSM6DSO) support DRDY mask where corrupted samples are
masked in hw with values greather than 0x7ffd so the driver can easily
discard them.
I have not added sample_to_discard support for LSM6DS3 or LSM6DS3H since
I do not have any sample for testing at the moment.
Reported-by: Philippe De Muyter <phdm@macqel.be>
Tested-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/21dcd94935c147ef9b1da4984b3da6264ee9609e.1677496295.git.lorenzo@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c')
| -rw-r--r-- | drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index 3f6060c64f32..966df6ffe874 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -634,6 +634,24 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .fs_len = 4, }, }, + .samples_to_discard = { + [ST_LSM6DSX_ID_ACC] = { + .val[0] = { 12500, 1 }, + .val[1] = { 26000, 1 }, + .val[2] = { 52000, 1 }, + .val[3] = { 104000, 2 }, + .val[4] = { 208000, 2 }, + .val[5] = { 416000, 2 }, + }, + [ST_LSM6DSX_ID_GYRO] = { + .val[0] = { 12500, 2 }, + .val[1] = { 26000, 5 }, + .val[2] = { 52000, 7 }, + .val[3] = { 104000, 12 }, + .val[4] = { 208000, 20 }, + .val[5] = { 416000, 36 }, + }, + }, .irq_config = { .irq1 = { .addr = 0x0d, |