linux-kernel - Re: [PATCH 0/4] auxdisplay: Add support for TM1637 7-segment display driver

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Message-ID: <CAHp75VdGNd9HY-ihhgjPXv5rtiMrtKgxtvve1RcCz1x+Fj6ZKg@mail.gmail.com>
Date: Tue, 13 Jan 2026 08:56:12 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Siratul Islam <email@...at.me>
Cc: andy@...nel.org, geert@...ux-m68k.org, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 0/4] auxdisplay: Add support for TM1637 7-segment display driver

On Tue, Jan 13, 2026 at 6:03 AM Siratul Islam <email@...at.me> wrote:

...

> Note on implementation:
> This driver is implemented as a standalone platform driver rather than
> using the auxiliary display 'linedisp' framework. The TM1637 protocol
> requires manual handling of the decimal point (merging it with the
> previous digit), which is difficult to achieve cleanly with the current
> linedisp character buffer abstraction.

We need this for 7-segment + dot point anyway, so consider extending
linedisp to cover this (via callback to the driver or better way).


-- 
With Best Regards,
Andy Shevchenko