---

yaml --- r: 179304 b: refs/heads/master c: e4e6efd h: refs/heads/master v: v3
git-mirror · Jan 7, 2010 · 152c0f3 · 152c0f3
1 parent c489d16
commit 152c0f3
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Showing 4 changed files with 20 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6f2701b79f2ee0c5eb946e8a87993acbe8041da3
+refs/heads/master: e4e6efd2df4b5754bd519b516207eb723d1f17df
diff --git a/trunk/drivers/input/mouse/psmouse-base.c b/trunk/drivers/input/mouse/psmouse-base.c
@@ -627,8 +627,15 @@ static int psmouse_extensions(struct psmouse *psmouse,
 		synaptics_hardware = true;
 
 		if (max_proto > PSMOUSE_IMEX) {
-			if (!set_properties || synaptics_init(psmouse) == 0)
+/*
+ * Try activating protocol, but check if support is enabled first, since
+ * we try detecting Synaptics even when protocol is disabled.
+ */
+			if (synaptics_supported() &&
+			    (!set_properties || synaptics_init(psmouse) == 0)) {
 				return PSMOUSE_SYNAPTICS;
+			}
+
 /*
  * Some Synaptics touchpads can emulate extended protocols (like IMPS/2).
  * Unfortunately Logitech/Genius probes confuse some firmware versions so

diff --git a/trunk/drivers/input/mouse/synaptics.c b/trunk/drivers/input/mouse/synaptics.c
@@ -743,6 +743,11 @@ int synaptics_init(struct psmouse *psmouse)
 	return -1;
 }
 
+bool synaptics_supported(void)
+{
+	return true;
+}
+
 #else /* CONFIG_MOUSE_PS2_SYNAPTICS */
 
 void __init synaptics_module_init(void)
@@ -754,5 +759,10 @@ int synaptics_init(struct psmouse *psmouse)
 	return -ENOSYS;
 }
 
+bool synaptics_supported(void)
+{
+	return false;
+}
+
 #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
 
diff --git a/trunk/drivers/input/mouse/synaptics.h b/trunk/drivers/input/mouse/synaptics.h
@@ -109,5 +109,6 @@ void synaptics_module_init(void);
 int synaptics_detect(struct psmouse *psmouse, bool set_properties);
 int synaptics_init(struct psmouse *psmouse);
 void synaptics_reset(struct psmouse *psmouse);
+bool synaptics_supported(void);
 
 #endif /* _SYNAPTICS_H */