Re: [PATCH] Input: Do not add SYN_REPORT in between a single packet data
From: Aniroop Mathur
Date: Wed Mar 09 2016 - 13:53:43 EST
Hello Mr. Torokhov,
Could you kindly help to update about below patch?
Thanks,
Aniroop Mathur
On Mon, Mar 7, 2016 at 11:14 PM, Aniroop Mathur <a.mathur@xxxxxxxxxxx> wrote:
> As mentioned in documentation, SYN_REPORT should be used to separate two packets
> and should not be inserted in between a single packet as otherwise with multiple
> SYN_REPORT in a single packet, input reader would not be able to know when the
> packet ended really.
>
> Documentation snippet:
> * SYN_REPORT:
> - Used to synchronize and separate events into packets of input data changes
> occurring at the same moment in time. For example, motion of a mouse may set
> the REL_X and REL_Y values for one motion, then emit a SYN_REPORT. The next
> motion will emit more REL_X and REL_Y values and send another SYN_REPORT.
>
> Signed-off-by: Aniroop Mathur <a.mathur@xxxxxxxxxxx>
> ---
> drivers/input/input.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/input/input.c b/drivers/input/input.c
> index 8806059..262ef77 100644
> --- a/drivers/input/input.c
> +++ b/drivers/input/input.c
> @@ -401,8 +401,7 @@ static void input_handle_event(struct input_dev *dev,
> if (dev->num_vals >= 2)
> input_pass_values(dev, dev->vals, dev->num_vals);
> dev->num_vals = 0;
> - } else if (dev->num_vals >= dev->max_vals - 2) {
> - dev->vals[dev->num_vals++] = input_value_sync;
> + } else if (dev->num_vals >= dev->max_vals - 1) {
> input_pass_values(dev, dev->vals, dev->num_vals);
> dev->num_vals = 0;
> }
> --
> 2.6.2
>