From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Mon, 12 Dec 2016 23:54:30 +0000 (+1000)
Subject: touchpad: constify a few helper functions
X-Git-Tag: 1.5.901~25
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2a16c522b9c08b34e0586912cb6423e0493e6489;p=platform%2Fupstream%2Flibinput.git

touchpad: constify a few helper functions

May help the compiler with further optimization

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

diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 762f5396..7bac8ecd 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -476,7 +476,7 @@ tp_process_key(struct tp_dispatch *tp,
 }
 
 static void
-tp_unpin_finger(struct tp_dispatch *tp, struct tp_touch *t)
+tp_unpin_finger(const struct tp_dispatch *tp, struct tp_touch *t)
 {
 	double xdist, ydist;
 
diff --git a/src/evdev-mt-touchpad.h b/src/evdev-mt-touchpad.h
index db0a51a4..b9ca5bff 100644
--- a/src/evdev-mt-touchpad.h
+++ b/src/evdev-mt-touchpad.h
@@ -388,7 +388,8 @@ tp_libinput_context(const struct tp_dispatch *tp)
 }
 
 static inline struct normalized_coords
-tp_normalize_delta(struct tp_dispatch *tp, struct device_float_coords delta)
+tp_normalize_delta(const struct tp_dispatch *tp,
+		   struct device_float_coords delta)
 {
 	struct normalized_coords normalized;
 
@@ -403,7 +404,8 @@ tp_normalize_delta(struct tp_dispatch *tp, struct device_float_coords delta)
  * in the x-axis' coordinate space.
  */
 static inline struct device_float_coords
-tp_unnormalize_for_xaxis(struct tp_dispatch *tp, struct normalized_coords delta)
+tp_unnormalize_for_xaxis(const struct tp_dispatch *tp,
+			 struct normalized_coords delta)
 {
 	struct device_float_coords raw;