On Wed, Dec 10, 2014 at 05:18:43PM +0530, [email protected] wrote:
> From: Anshul Garg <[email protected]>
>
> This patch avoids unnecessary operations while estimating events per
> packet for an input device when event type is not set.
>
> Signed-off-by: Anshul Garg <[email protected]>
Applied, thank you.
> ---
> drivers/input/input.c | 22 +++++++++++++---------
> 1 file changed, 13 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/input/input.c b/drivers/input/input.c
> index 29ca0bb..8172296 100644
> --- a/drivers/input/input.c
> +++ b/drivers/input/input.c
> @@ -1973,18 +1973,22 @@ static unsigned int
> input_estimate_events_per_packet(struct input_dev *dev)
>
> events = mt_slots + 1; /* count SYN_MT_REPORT and SYN_REPORT */
>
> - for (i = 0; i < ABS_CNT; i++) {
> - if (test_bit(i, dev->absbit)) {
> - if (input_is_mt_axis(i))
> - events += mt_slots;
> - else
> - events++;
> + if (test_bit(EV_ABS, dev->evbit)) {
> + for (i = 0; i < ABS_CNT; i++) {
> + if (test_bit(i, dev->absbit)) {
> + if (input_is_mt_axis(i))
> + events += mt_slots;
> + else
> + events++;
> + }
> }
> }
>
> - for (i = 0; i < REL_CNT; i++)
> - if (test_bit(i, dev->relbit))
> - events++;
> + if (test_bit(EV_REL, dev->evbit)) {
> + for (i = 0; i < REL_CNT; i++)
> + if (test_bit(i, dev->relbit))
> + events++;
> + }
>
> /* Make room for KEY and MSC events */
> events += 7;
> --
> 1.7.9.5
>
--
Dmitry
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