On Sat, Nov 27, 2010 at 12:46:03PM +0300, Nikolai Kondrashov wrote: > On 11/27/2010 12:15 PM, Dmitry Torokhov wrote: > >2000LPI == about 79 l/mm. How is it not useable? > TBH, I didn't make any real calculations. > The introduced error isn't very high, indeed. The vertical size of 4x3 inch > tablet becomes 75 mm instead of 76 mm. So maybe it's alright. > > >In mainline synaptics is the only one that does this. We do not know how > >many drivers in vendor trees fill and use this data nor we do not know > >about userspace. The fact that we were not able to locate them does not > >mean they do not exist. The units/mm are part of input ABI now. > Well, I can't argue with you here. > I didn't think about 3rd party drivers, TBH. > > >Right, standarize on existing UOM (which are per/mm) and then implement > >other UOM if theya re really needed. > Will this fix qualify for inclusion into 2.6.37? Yes, I believe it does. > Also, what do you think about units per radians for rotational axis? Works for me. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html