On Thu, Oct 01, 2020 at 11:26:36AM +0200, Hans de Goede wrote: > Hi, > > On 9/30/20 11:02 PM, Limonciello, Mario wrote: > > > > + possible_values: A file that can be read to obtain the possible > > > > + values of the <attr>. Values are separated using > > > > + semi-colon (``;``). > > > why not use set notation from math classes assuming intergers? i.e. > > > (a, b) all integers beween a and b but not including a or b (open set) > > > or > > > [a, b] all integerger betwen a and b including and b? (closed set) > > > > > > Anyway its ambiguous if the the extremes are included in the set of possible > > > values as written. > > > > > > > Enumeration attributes mean that there are fixed values, specifically not integers. > > Integers are in the "integer" type and explained below. > > > > An example value that would be seen here is possible_values: > > > > Enabled;Disabled; > > That might not be the best example, because in that case arguably we > could export it as a boolean type (except that the WMI interface does > not give us boolean as an explicit / separate type). > > Mark these enum attributes are really like enums in C, so we > have a fixed set of possible values which are described by > strings, since using integers for it makes no sense from a human > interaction pov. E.g. on the Lenovo X1C8 I have some attributes > have the following possible value sets: > > Package (0x03) > { > "High", > "Normal", > "Silent" > }, > > Package (0x02) > { > "LCD", > "ExternalDisplay" > }, > > Package (0x02) > { > "Independent", > "Synchronized" > }, > > I hope this helps clarify things. It does. Please ignore my comment on this topic then. thanks --mark