[5/7] elantech: report position also with 3 fingers

Commit Message

Éric Piel June 21, 2010, 9:07 p.m. UTC

None

Patch

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index b09b458..633f100 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -257,6 +257,14 @@  static void elantech_report_absolute_v2(struct psmouse *psmouse)
 	input_report_key(dev, BTN_TOUCH, fingers != 0);
  	switch (fingers) {
+	case 3:
+		/*
+		 * Same as one finger, except report of more than 3 fingers:
+		 * byte 3:  n4  .   w1  w0   .   .   .   .
+		 */
+		if (packet[3] & 0x80)
+			fingers = 4;
+		/* pass through... */
 	case 1:
 		/*
 		 * byte 1:  .   .   .   .   .  x10 x9  x8
@@ -309,6 +317,7 @@  static void elantech_report_absolute_v2(struct psmouse *psmouse)