On Tue, 07 Jul 2026 15:04:24 +0100 Rodrigo Alencar via B4 Relay <[email protected]> wrote:
> From: Rodrigo Alencar <[email protected]> > > Add documentation for a read-only sysfs attribute that allows to expose > parent-child relationships between IIO channels. > > Signed-off-by: Rodrigo Alencar <[email protected]> > + > + For example, an IIO device may expose a primary output channel > as > + "out_voltage0" together with a set of profile-based or > mode-based > + subchannels used to configure or compose the output signal. > These > + subchannels may carry common attributes such as frequency, > phase, etc. > + They do not represent physical outputs, but rather > logical/virtual > + channels grouping configurations that affect the primary output. > + Each subchannel exposes a *_parent attribute reading > "out_voltage0", > + allowing userspace to group controls under the output channel > they > + belong to rather than treating them as unrelated top-level > channels. > + Nice. Thanks for adding that. Jonathan > What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw > KernelVersion: 4.18 > Contact: [email protected] >
