Chase Douglas writes:
> Before this change, sequential scroll events would take a variable
> amount of movement due to incorrect accounting. This change ensures all
> scroll movements require a deterministic touch movement for an action to
> occur.
>
> Signed-off-by: Chase Douglas <chase.douglas@xxxxxxxxxxxxx>
My apologies for the delay in reviewing this one. I understand now, and
agree it's the right thing to do here.
Acked-by: Michael Poole <mdpoole@xxxxxxxxxxx>
(For the rest of the list, I acked the other three patches in this
series via private email earlier.)
Michael Poole
> ---
> drivers/hid/hid-magicmouse.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
> index cd70635..171ed0c 100644
> --- a/drivers/hid/hid-magicmouse.c
> +++ b/drivers/hid/hid-magicmouse.c
> @@ -183,7 +183,8 @@ static void magicmouse_emit_touch(struct magicmouse_sc *msc, int raw_id, u8 *tda
> case TOUCH_STATE_DRAG:
> step = step / accel_profile[msc->scroll_accel];
> if (step != 0) {
> - msc->touches[id].scroll_y = y;
> + msc->touches[id].scroll_y -=
> + step * accel_profile[msc->scroll_accel];
> msc->scroll_jiffies = now;
> input_report_rel(input, REL_WHEEL, step);
> }
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