Hello Laurent! On 16/12/14 14:38, ext Laurent Pinchart wrote: >>> I understand the use cases of the idle-disconnect property. What do you >>> > > use idle-state for, when the idle state is different from disconnecting >>> > > the bus ? >> > >> > We do not have a use case for that. It was done only for the sake of >> > completeness. Because other MUXes actually offer user this possibility. I >> > was initially thinking about providing this on i2c-mux level for all of >> > them, but unfortunately they all use deselect callback in different way and >> > pinctrl is the worst case, as idle state cannot be represented with an int, >> > but should be a pointer. >> > >> > Anyway, if you think there is no use-case for this, I can drop this part. > Adding a DT property without a clear use case usually makes me a bit wary. I > would thus prefer going for either idle-disconnect alone, or for an idle-state > property that would allow selecting disconnection as one of the possible > values. I thought about this, but this would require some magic value for idle-state property, which would not be obvious for the readers of .dts file without consulting the documentation. So, I would prefer to drop the idle channel selection completely... -- Best regards, Alexander Sverdlin. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
