[U-Boot] [PATCH 7/8] usb: kbd: Properly translate up/down arrow keys

[Simon Glass]

On Fri, 22 Mar 2019 at 19:32, Andre Przywara <andre.przywara at arm.com> wrote:
>
> So far arrows key pressed on an USB keyboard got translated to some
> low ASCII control sequences (Ctrl+N, Ctrl+P). Some programs understand
> these codes, but the standard for those keys is to use ANSI control

Which standard?

> sequences for cursor movement (ESC [ A).
> Our own boot menu is a victim of this, currently we cannot change the
> selection with an USB keyboard due to this.
>
> Since we already implement a queue for USB key codes, we can just insert
> the three character ANSI sequence into the key buffer. This fixes the
> bootmenu, and is more universal for other users (UEFI) as well.
>
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
> ---
>  common/usb_kbd.c | 24 +++++++++++++++++++++++-
>  1 file changed, 23 insertions(+), 1 deletion(-)

Reviewed-by: Simon Glass <sjg at chromium.org>