linux-kernel - Re: Purpose of parameter in sysfs binary read

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Date:	Wed, 25 Nov 2009 12:19:21 -0700
From:	"Rick L. Vinyard, Jr." <rvinyard@...nmsu.edu>
To:	"Alan Cox" <alan@...rguk.ukuu.org.uk>
Cc:	"Greg KH" <greg@...ah.com>,
	"Linux USB" <linux-usb@...r.kernel.org>,
	"LKML" <linux-kernel@...r.kernel.org>
Subject: Re: Purpose of parameter in sysfs binary read

Alan Cox wrote:
>> 160x43 --- The same as the G15 and MX5000 keyboards. In fact, it takes
>> the
>> same bitmap pattern as the keyboards.
>>
>> 160x43 is small, but some graphics are definitely possible, console/text
>> is certainly possible.
>
> Ultimately it should probably also create a console device of itself, but
> its not something trivial to do and I really wouldn't bother about it
> until it works in current form if ever...
>
> Mind you a keyboard that has the display built in would be really useful
> for poking around server boxes on racks.
>

I have the display as a framebuffer device now (based on fbdefio with the
hid device as the parent).

Do I really need a separate console device or can I just use fbcon?


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