I've got another change in the works that fixes this problem more
systematically.
On Fri, Apr 1, 2011 at 2:03 PM, Chase Douglas
<chase.douglas@xxxxxxxxxxxxx> wrote:
> The evdev buffer isn't big enough when you get many fingers on the
> device. Bump up the buffer to a reasonable size, matching what other
> multitouch devices use. Without this change, events may be discarded in
> the evdev buffer before they are read.
>
> Reported-by: Simon Budig <simon@xxxxxxxx>
> Cc: Henrik Rydberg <rydberg@xxxxxxxxxxx>
> Cc: Jiri Kosina <jkosina@xxxxxxx>
> Cc: stable@xxxxxxxxxx
> Signed-off-by: Chase Douglas <chase.douglas@xxxxxxxxxxxxx>
> ---
> Forgot to Cc the mailing lists on the first send.
>
> drivers/hid/hid-magicmouse.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
> index 698e645..404dcbc 100644
> --- a/drivers/hid/hid-magicmouse.c
> +++ b/drivers/hid/hid-magicmouse.c
> @@ -418,6 +418,8 @@ static void magicmouse_setup_input(struct input_dev *input, struct hid_device *h
> input_set_abs_params(input, ABS_MT_POSITION_Y, -2456,
> 2565, 4, 0);
> }
> +
> + input_set_events_per_packet(input, 60);
> }
>
> if (report_undeciphered) {
> --
> 1.7.4.1
>
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