Re: [PATCH 0/3] HID: multitouch: fix a corner case of some Win 8 devices

From: Jiri Kosina
Date: Fri Jun 23 2017 - 04:17:53 EST


On Thu, 15 Jun 2017, Benjamin Tissoires wrote:

> It looks like the Microsft certification misses one case of released fingers.
>
> The (only) solution we can have against that is to wait for a hundred of ms,
> and if no input report comes in, consider that the touches should have been
> released. The spec, as I read it, enforces that.
>
> Arek, can you please give a test to this new series?
> I managed to find out a way to have the IRQ and the timeout exclusive, and
> also added a few optimizations.
>
> Cheers,
> Benjamin
>
> Benjamin Tissoires (3):
> HID: multitouch: use BIT macro
> HID: multitouch: fix rare Win 8 cases when the touch up event gets
> missing
> HID: multitouch: optimize the sticky fingers timer
>
> drivers/hid/hid-multitouch.c | 149 ++++++++++++++++++++++++++++++++-----------
> 1 file changed, 110 insertions(+), 39 deletions(-)

I've applied the series with Arek's 'Tested-by' to for-4.13/multitouch.

--
Jiri Kosina
SUSE Labs