linux-kernel - Re: [PATCH 3/5] auxdisplay: linedisp: add num

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Message-ID: <F07B991F-5193-4C74-B9F5-B8E62B3000A9@gmail.com>
Date: Tue, 02 Sep 2025 13:15:00 -0400
From: Jean-François Lessard <jefflessard3@...il.com>
To: Andy Shevchenko <andriy.shevchenko@...el.com>
CC: Andy Shevchenko <andy@...nel.org>, Geert Uytterhoeven <geert@...ux-m68k.org>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] auxdisplay: linedisp: add num_chars sysfs attribute

Le 2 septembre 2025 06 h 04 min 34 s HAE, Andy Shevchenko <andriy.shevchenko@...el.com> a écrit :
>On Sun, Aug 31, 2025 at 10:00:27PM -0400, Jean-François Lessard wrote:
>> Add a read-only 'num_chars' sysfs attribute to report display digit count.
>> 
>> The num_chars attribute provides essential capability information to
>> userspace applications that need to know display dimensions before writing
>> messages, complementing the existing message and scroll controls.
>
>...
>
>>  	&dev_attr_message.attr,
>>  	&dev_attr_scroll_step_ms.attr,
>> +	&dev_attr_num_chars.attr,
>>  	&dev_attr_map_seg7.attr,
>>  	&dev_attr_map_seg14.attr,
>
>It looks like we have two groups of the attributes here, can we keep the upper
>one sorted? (Put the new attribute one line above?)
>

Acknowledged. I will sort the attributes order accordingly.