> > .../ABI/testing/sysfs-bus-i2c-devices-pca954x | 20 +++++ > > Should not ABI/... patches go to someone? Who? Did you use > get_maintainer.pl? I think you should at least include the main kernel > list? Maybe someone filters messages looking for ABI changes? CCing Greg is a good idea here. The hunk doesn't really to go via his tree AFAIK but an ack from him might be good. > > +What: /sys/bus/i2c/.../idle_state > > +Date: January 2019 > > +KernelVersion: 5.2 > > +Contact: Robert Shearman <robert.shearman@xxxxxxx> > > +Description: > > + Value that can be written to control the behaviour of > > + the multiplexer on idle. Possible values: > > + -2 - disconnect on idle, i.e. deselect the last used > > + channel, which is useful when there is a device > > + with an address that conflicts with another > > + device on another pca954x mux on the same parent > > Nit: It doesn't need to be a PCA954x mux, it could be any mux. And maybe say that it only exists for mux devices?
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