On Mon, Dec 21, 2020 at 5:11 PM Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> wrote: > > From: Lars-Peter Clausen <lars@xxxxxxxxxx> > > Some enums might have gaps or reserved values in the middle of their value > range. E.g. consider a 2-bit enum where the values 0, 1 and 3 have a > meaning, but 2 is a reserved value and can not be used. > > Add support for such enums to the IIO enum helper functions. A reserved > values is marked by setting its entry in the items array to NULL rather > than the normal descriptive string value. ... > I tried a few shots at working with 'lib/string.c', and that went > slow. The __sysfs_match_string_with_gaps() approach has stalled. > https://lore.kernel.org/linux-iio/20190422140251.8960-1-alexandru.ardelean@xxxxxxxxxx/ Hmm... If you are not going to push that forward, perhaps better is to provide iio_sysfs_match_string() and if we need it in the future for other users, it would be easier to find and export. Also it will be a matter of one line change in the caller. -- With Best Regards, Andy Shevchenko
