On Tue, Aug 14, 2018 at 11:03:03PM +0200, Linus Walleij wrote: > On Mon, Aug 13, 2018 at 12:31 AM Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > > On 08/09/2018 09:15 PM, Guenter Roeck wrote: > > > On 08/09/2018 03:24 PM, Linus Walleij wrote: > > > >> + if (id == SMART_TEMP_PROP_194) > > >> + break; > > > > 231 also seems to report the temperature if available, as does 190. > > They have the same temperature format(s) but AFAICT these > have specific meanings: > smartmontools has a drive database that tells the story. > > 190 is the Air flow temperature > 231 reports temperature on some drives but on others this is the > "SSD life left" > > To avoid erroneous interpretation I kept with just 194. > Makes sense. > > Not sure if 190 is worth it, though - Samsung SSD 840 PRO Series supports > > it but reports a static value of 28. And it seems to be either as > > degrees C or as 100 - degrees C, depending on the drive manufacturer, > > which makes it quite unreliable. > > I guess we could add more heuristics if we want. Maybe not > as the first step. > Agreed. Thanks, Guenter