On 07/02/2012 02:52 PM, Peter Meerwald wrote: > >> Add a helper function for validating a scan mask for devices where at most one >> channel may be selected at a time. This is a common case among devices which >> have scan mask restrictions so it makes sense to provide this function in the >> core. > > personally, would find iio_validate_scan_mask_atmost_one clearer than > iio_validate_scan_mask_onehot, but it is a bit longer also I think the code can even be changed to be more strict and just check if bitmap_weight == 1. A mask is only validating after enabling a channel and not after disabling it, so there will always be at least one bit set when the validate function is called. - Lars -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html