Messages in this thread | | | Date | Wed, 23 Jun 2010 16:20:49 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: [PATCH 4/5] hid-input: Use a larger event buffer for MT devices |
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On Wed, 23 Jun 2010, Henrik Rydberg wrote:
> The MT devices produce a lot of data. Tell the underlying input device > approximately how many events will be sent per synchronization, to allow > for better buffering. The number is a template based on continuously > reporting details for each finger on a single hand. > > Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Feel free to add
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
to any other further patch respins (if needed), or if actually applying this patch to any tree together with the rest of the series.
Thanks.
> --- > drivers/hid/hid-input.c | 3 +++ > 1 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c > index 7a0d2e4..69d152e 100644 > --- a/drivers/hid/hid-input.c > +++ b/drivers/hid/hid-input.c > @@ -534,6 +534,9 @@ mapped: > input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); > else input_set_abs_params(input, usage->code, a, b, 0, 0); > > + /* use a larger default input buffer for MT devices */ > + if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0) > + input_set_events_per_packet(input, 60); > } > > if (usage->type == EV_ABS && > -- > 1.6.3.3 >
-- Jiri Kosina SUSE Labs, Novell Inc.
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