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What shall be displayed in > > sysfs as volume if a user specifies a value that is not defined in > > the array.. So I tend to keep this as is. > > sysfs is not related to bindings. To rephrase your question: what shall > be shown in anywhere if the index is not correct? The same problem, the > same solution. got it, thanks for the hint. I will implement it in v9. Regards Manuel