[U-Boot] [PATCH] USB: add arrow key support to usb_kbd

Simon Glass sjg at chromium.org
Tue Nov 6 23:51:29 CET 2012


Hi Marek,

On Tue, Nov 6, 2012 at 2:49 PM, Marek Vasut <marex at denx.de> wrote:
> Dear Allen Martin,
>
>> Check for scancodes for arrow keys and map them to ^F/^B, ^N/^P.
>> Control characters are used instead of ANSI sequence because the
>> queueing code in usb_kbd doesn't handle the data increase when one
>> keypress generates 3 keycodes.  The real fix is to convert this driver
>> to use the input subsystem and queue
>
> If it's the real fix, then why not go for the real fix right away? :-(

Because it's a fair chunk of work, and also if we are doing USB we
should probably do keyboard.c first. USB would not be the first
priority since so much of the logic / keycodes are different.

Regards,
Simon

>
>> but this allows arrow keys to
>> work until this driver is converted.
>>
>> Signed-off-by: Allen Martin <amartin at nvidia.com>
>> ---
> [...]
>
> Best regards,
> Marek Vasut


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