linux-kernel - Re: [PATCH] auxdisplay: hd44780: move cursor home after clear display command

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Date:   Sat, 22 Jul 2023 18:04:03 +0200
From:   Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To:     me@...idreaver.com
Cc:     poeschel@...onage.de, Hugo Villeneuve <hugo@...ovil.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Hugo Villeneuve <hvilleneuve@...onoff.com>,
        linux-kernel@...r.kernel.org, geert@...ux-m68k.org,
        Christian Meusel <christian.meusel@...teo.de>
Subject: Re: [PATCH] auxdisplay: hd44780: move cursor home after clear display command

On Sat, Jul 22, 2023 at 4:54 PM David Reaver <me@...idreaver.com> wrote:
>
> I was actually hooking up a 16x2 HD44780 on my BeagleBone Black last
> night before I came across this patch, so I was able to test this. It
> works fine for me. I tested with:
>
>     $ printf '\f' > /dev/lcd
>     $ printf 'Hello\nWorld!\n' > /dev/lcd
>     $ printf '\x1b[LR' > /dev/lcd
>     $ printf '\x1b[LR' > /dev/lcd
>     $ printf '\x1b[LR' > /dev/lcd
>     $ printf '\f' > /dev/lcd
>     $ printf 'Goodbye\nWorld!\n' > /dev/lcd
>
> As expected, "Goodbye World!" was correctly placed left-aligned on the
> display, split over both lines. Let me know if there is something else
> you would like me to do to test this!
>
> Tested-by: David Reaver <me@...idreaver.com>

Thanks a lot, that is very helpful!

I will wait a while in case Christian or somebody else wants to test
it, and send it for 6.6.

Cheers,
Miguel