On Thu, Nov 23, 2023 at 11:05:38AM +0000, Lee Jones wrote: > On Fri, 03 Nov 2023, Andy Shevchenko wrote: ... > > - ret = sscanf(buf, "%u", &desired_brightness); "%u" (see man sscanf() for the details) ... > > + ret = kstrtou8(buf, 10, &desired_brightness); > > Where does 10 come from? See above. -- With Best Regards, Andy Shevchenko