> On 10/05/2021 08.28, Lorenzo Bianconi wrote:
> >> On 07/05/2021 13.02, Lorenzo Bianconi wrote:
> >>>> The correct way to set the sampling rate to 12.5 Hz before
> >>>> commit f8710f0357bc ("iio: imu: st_lsm6dsx: express odr in mHZ")
> >>>> was to write 13 Hz to sampling_frequency.
> >>>> Before this patch writing 13 to samplerate results in sample rate set
> >>>> to 26 Hz.
> >>>> Now we return EINVAL if the sampling rate is not in table.
> >>>>
> >>>> Signed-off-by: Sean Nyekjaer <sean@geanix.com>
> >>>
> >>> I think this patch is breaking i2c-master support available in st_lsm6dsx, have you tested it?
> >>>
> >> I have not tested with i2c-master.
> >> But it's not nice to round up sample rate from user space without any notice.
> > 
> > the point is accel odr is used as trigger for i2c-slave sampling. Connected
> > i2c slave devices have different sample rates (e.g. LIS2MDL), so we need to
> > select the lower accel odr greather than slave device one.
> > 
> > Regards,
> > Lorenzo
> > 
> 
> We could open up for custom sample rates if i2c-slaves are enabled?

can you please explain what you mean?

> /Sean