From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Fri, 7 Feb 2014 00:32:03 +0000 (+1000)
Subject: evdev-touchpad: replace some numbers with a #define
X-Git-Tag: 0.1.0~19
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c81e1235c6164bbda5d200629913bd8849113812;p=platform%2Fupstream%2Flibinput.git

evdev-touchpad: replace some numbers with a #define

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
---

diff --git a/src/evdev-touchpad.c b/src/evdev-touchpad.c
index c12c4426..9e95906c 100644
--- a/src/evdev-touchpad.c
+++ b/src/evdev-touchpad.c
@@ -82,6 +82,7 @@ enum touchpad_state {
 };
 
 #define TOUCHPAD_HISTORY_LENGTH 4
+#define TOUCHPAD_MIN_SAMPLES 4	/* Number of samples before we start sending events */
 
 struct touchpad_motion {
 	int32_t x;
@@ -523,10 +524,10 @@ touchpad_update_state(struct touchpad_dispatch *touchpad, uint32_t time)
 	touchpad->motion_index = motion_index;
 	touchpad->motion_history[motion_index].x = touchpad->hw_abs.x;
 	touchpad->motion_history[motion_index].y = touchpad->hw_abs.y;
-	if (touchpad->motion_count < 4)
+	if (touchpad->motion_count < TOUCHPAD_HISTORY_LENGTH)
 		touchpad->motion_count++;
 
-	if (touchpad->motion_count >= 4) {
+	if (touchpad->motion_count >= TOUCHPAD_MIN_SAMPLES) {
 		touchpad_get_delta(touchpad, &dx, &dy);
 
 		filter_motion(touchpad, &dx, &dy, time);