diff options
Diffstat (limited to 'drivers/input/mouse/sentelic.c')
| -rw-r--r-- | drivers/input/mouse/sentelic.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c index 3f5649f1908..a261d857691 100644 --- a/drivers/input/mouse/sentelic.c +++ b/drivers/input/mouse/sentelic.c @@ -721,6 +721,17 @@ 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) { + /* + * Ignore coordinate noise when finger leaving the + * surface, otherwise cursor may jump to upper-left + * corner. + */ + packet[3] &= 0xf0; + } + abs_x = GET_ABS_X(packet); abs_y = GET_ABS_Y(packet); |