Em Sun, 26 Jun 2022 17:55:10 +0100 Jonathan Cameron <jic23@xxxxxxxxxx> escreveu: > From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > > We can't duplicate the description of sampling_frequency. This device > has some unusual requirements which we solved by giving a > sampling_frequency of 0 special meaning. As such add a note > about this unusual usage to the main documentation. > > Whilst I don't particularly like this resolution, it is the best > I could come up with given earlier discussion on this topic. > > Link: https://lore.kernel.org/linux-iio/20210315101217.00002c50@xxxxxxxxxx/ > Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> > Cc: Fabrice Gasnier <fabrice.gasnier@xxxxxxxxxxx> > --- > Documentation/ABI/testing/sysfs-bus-iio | 3 +++ > Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 | 8 -------- > 2 files changed, 3 insertions(+), 8 deletions(-) > > diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio > index 3e00d7f7ee22..e81ba6f5e1c8 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio > +++ b/Documentation/ABI/testing/sysfs-bus-iio > @@ -107,6 +107,9 @@ Description: > relevant directories. If it affects all of the above > then it is to be found in the base device directory. > > + The stm32-timer-trigger has the additional characteristic that > + a sampling_frequency of 0 is defined to stop sampling. > + I would actually say something like: A ampling_frequency of 0 means to stop sampling, if supported by the driver. Either way: Reviewed-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> > What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency_available > What: /sys/bus/iio/devices/iio:deviceX/in_intensity_sampling_frequency_available > What: /sys/bus/iio/devices/iio:deviceX/in_proximity_sampling_frequency_available > diff --git a/Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 b/Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 > index c4a4497c249a..05074c4a65e2 100644 > --- a/Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 > +++ b/Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 > @@ -90,14 +90,6 @@ Description: > Reading returns the current master modes. > Writing set the master mode > > -What: /sys/bus/iio/devices/triggerX/sampling_frequency > -KernelVersion: 4.11 > -Contact: benjamin.gaignard@xxxxxx > -Description: > - Reading returns the current sampling frequency. > - Writing an value different of 0 set and start sampling. > - Writing 0 stop sampling. > - > What: /sys/bus/iio/devices/iio:deviceX/in_count0_preset > KernelVersion: 4.12 > Contact: benjamin.gaignard@xxxxxx
