Re: [PATCH] HID: multitouch: Synchronize MT frame on reset_resume

[Benson Leung]

Hi Gabriele,

Thanks for the fix!

On Tue, Mar 29, 2016 at 1:10 PM, Gabriele Mazzotta
<gabriele.mzt@xxxxxxxxx> wrote:
> input_mt_get_slot_by_key() requires input_mt_sync_frame() to be called
> at each frame. Do it when releasing the touches, or else we won't get
> a proper slot number after mt_reset_resume().
>
> Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>

Reviewed-by: Benson Leung <bleung@xxxxxxxxxxxx>

> ---
>  drivers/hid/hid-multitouch.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
> index 25d3c43..c741f5e 100644
> --- a/drivers/hid/hid-multitouch.c
> +++ b/drivers/hid/hid-multitouch.c
> @@ -1169,6 +1169,7 @@ static void mt_release_contacts(struct hid_device *hid)
>                                                            MT_TOOL_FINGER,
>                                                            false);
>                         }
> +                       input_mt_sync_frame(input_dev);
>                         input_sync(input_dev);
>                 }
>         }
> --
> 2.8.0.rc3
>



-- 
Benson Leung
Senior Software Engineer, Chrom* OS
bleung@xxxxxxxxxxxx