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path: root/drivers/input/mouse/sentelic.c
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Diffstat (limited to 'drivers/input/mouse/sentelic.c')
-rw-r--r--drivers/input/mouse/sentelic.c11
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);