Re: [PATCH] Add a quirk for the Dell XPS 13 (2015) when in PS/2 mode.

[Mario Limonciello]

On 02/23/2015 06:51 PM, Dmitry Torokhov wrote:
> On Sun, Feb 22, 2015 at 05:55:05PM +0100, Pali Rohár wrote:
> I am not sure what exactly the issue is... We do need to have the break
> code to know when the key is released. We can't go and say that we will
> release old key when we detect another key press as that would mess up
> key combination handling (like control, meta, etc).
>
> What does Windows driver do?
>
> Thanks.
To me it sounds like the Windows driver understands a situation that there are a bunch of key down events without a keyup event until you lift your finger rather than expecting a pair every time.
https://msdn.microsoft.com/en-us/library/windows/desktop/ms646267(v=vs.85).aspx

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/