| Message ID | 1343275867-5179-1-git-send-email-avatar@sentelic.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Dmitry, By any chance these patches can be merged into 3.6 release? On Thu, 26 Jul 2012, Tai-hwa Liang wrote: > It turns out that certain hardware sometime generates unexpected movement > during normal operation. This patch tries to filter out these erratic > movements which will cause unexpected cursor jumping to the top-left corner. > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43197 > Reported-and-tested-by: Aleksey Spiridonov <leks13@leks13.ru> > Tested-by: Eddie Dunn <eddie.dunn@gmail.com> > Tested-by: Jakub Luzny <limoto94@gmail.com> > Tested-by: Olivier Goffart <olivier@woboq.com> > Signed-off-by: Tai-hwa Liang <avatar@sentelic.com> > --- > drivers/input/mouse/sentelic.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c > index 3f5649f..060edef 100644 > --- a/drivers/input/mouse/sentelic.c > +++ b/drivers/input/mouse/sentelic.c > @@ -721,6 +721,14 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse) > > switch (psmouse->packet[0] >> FSP_PKT_TYPE_SHIFT) { > case FSP_PKT_TYPE_ABS: > + if ((packet[0] == 0x48 || packet[0] == 0x49) && > + packet[1] == 0 && packet[2] == 0) { > + /* > + * filtering out erratic movement which will cause > + * unexpected cursor jumping to the top-left corner > + */ > + return PSMOUSE_FULL_PACKET; > + } > abs_x = GET_ABS_X(packet); > abs_y = GET_ABS_Y(packet);
diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c index 3f5649f..060edef 100644 --- a/drivers/input/mouse/sentelic.c +++ b/drivers/input/mouse/sentelic.c @@ -721,6 +721,14 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse) switch (psmouse->packet[0] >> FSP_PKT_TYPE_SHIFT) { case FSP_PKT_TYPE_ABS: + if ((packet[0] == 0x48 || packet[0] == 0x49) && + packet[1] == 0 && packet[2] == 0) { + /* + * filtering out erratic movement which will cause + * unexpected cursor jumping to the top-left corner + */ + return PSMOUSE_FULL_PACKET; + } abs_x = GET_ABS_X(packet); abs_y = GET_ABS_Y(packet);
It turns out that certain hardware sometime generates unexpected movement during normal operation. This patch tries to filter out these erratic movements which will cause unexpected cursor jumping to the top-left corner. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43197 Reported-and-tested-by: Aleksey Spiridonov <leks13@leks13.ru> Tested-by: Eddie Dunn <eddie.dunn@gmail.com> Tested-by: Jakub Luzny <limoto94@gmail.com> Tested-by: Olivier Goffart <olivier@woboq.com> Signed-off-by: Tai-hwa Liang <avatar@sentelic.com> --- drivers/input/mouse/sentelic.c | 8 ++++++++ 1 file changed, 8 insertions(+)