Hi Heiner,
On Mon, Feb 21, 2022 at 9:26 PM Heiner Kallweit <hkallweit1@xxxxxxxxx> wrote:
> Document the attribute for reading / writing the text to be displayed on
> the 7 segment display.
>
> Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx>
Thanks for your patch!
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-devices-auxdisplay-tm1628
> @@ -0,0 +1,7 @@
> +What: /sys/devices/.../display-text
> +Date: February 2022
> +Contact: Heiner Kallweit <hkallweit1@xxxxxxxxx>
> +Description:
> + The text to be displayed on the 7 segment display.
> + Any printable character is allowed as input, but some
> + can not be displayed in a readable way with 7 segments.
Hence you may want to make the mapping configurable, cfr.
MAP_TO_SEG7_SYSFS_FILE in include/uapi/linux/map_to_7segment.h?
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
