linux-kernel - Re: [PATCH v4 1/3] auxdisplay: Add 7-segment LED display driver

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Message-ID: <CAMuHMdUYuucVQDor3na-iT+Jmsktr+vCVjQXGUA6vXd6-mXxmA@mail.gmail.com>
Date: Tue, 5 Mar 2024 09:14:01 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc: andy@...nel.org, robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org, 
	conor+dt@...nel.org, andrew@...n.ch, gregory.clement@...tlin.com, 
	sebastian.hesselbarth@...il.com, lee@...nel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-leds@...r.kernel.org
Subject: Re: [PATCH v4 1/3] auxdisplay: Add 7-segment LED display driver

Hi Chris,

On Tue, Mar 5, 2024 at 4:59 AM Chris Packham
<chris.packham@...iedtelesis.co.nz> wrote:
> Add a driver for a 7-segment LED display. At the moment only one
> character is supported but it should be possible to expand this to
> support more characters and/or 14-segment displays in the future.
>
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
> ---
>
> Notes:
>     Changes in v4:
>     - Fix one more usage of 7 segment
>     - Move ASCII art diagram to DT binding
>     - Include map_to_7segment.h for map_to_seg7()
>     - Use initialiser for values in seg_led_update

Thanks for the update!

> --- a/drivers/auxdisplay/Kconfig
> +++ b/drivers/auxdisplay/Kconfig
> @@ -211,6 +211,16 @@ config ARM_CHARLCD
>           line and the Linux version on the second line, but that's
>           still useful.
>
> +config SEG_LED_GPIO
> +       tristate "Generic 7-segment LED display"

"depends on GPIOLIB || COMPILE_TEST"?

The rest LGTM, so
Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68korg

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