Hi Andy, On Sun, Mar 3, 2024 at 9:43 PM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > On Sun, Mar 3, 2024 at 11:48 AM Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > > On Fri, Mar 1, 2024 at 7:24 PM Andy Shevchenko <andy@xxxxxxxxxx> wrote: > > > The problem here as I see it is the future decision on how DP should > > > behave like. If you put this into DT, we will to support this to the end > > > of the platform. > > > > As there exist 7-seg displays (and wirings) with and without DP, > > the 7-seg driver and DT bindings should handle both cases. How to > > wire/use the DP LED is up to the hardware designer / DTS writer. > > Right. But my personal statistics for now is: 100% has DP (out of > about a dozen of different chip + LED combinations). What's yours? It's indeed hard to find contemporary 7-segment LED assemblies that lack the DP. But they do exist[1]. There's also no guarantee that the DP is wired. And don't forget custom or home-built assemblies using discrete LEDs, especially for huge displays (e.g. using one LED-strip per segment). So IMHO it would be a bad idea to make the DP mandatory. [1] https://www.alibaba.com/product-detail/CC-CA-188-led-display-0_60626228913.html Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
