diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 1636e7a2..5db204f6 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -754,6 +754,9 @@ tp_init_palmdetect(struct tp_dispatch *tp,
 {
 	int width;
 
+	tp->palm.right_edge = INT_MAX;
+	tp->palm.left_edge = INT_MIN;
+
 	/* We don't know how big the touchpad is */
 	if (device->abs.absinfo_x->resolution == 1)
 		return 0;
@@ -763,11 +766,8 @@ tp_init_palmdetect(struct tp_dispatch *tp,
 
 	/* Enable palm detection on touchpads >= 80 mm. Anything smaller
 	   probably won't need it, until we find out it does */
-	if (width/device->abs.absinfo_x->resolution < 80) {
-		tp->palm.right_edge = INT_MAX;
-		tp->palm.left_edge = INT_MIN;
+	if (width/device->abs.absinfo_x->resolution < 80)
 		return 0;
-	}
 
 	/* palm edges are 5% of the width on each side */
 	tp->palm.right_edge = device->abs.absinfo_x->maximum - width * 0.05;
diff --git a/src/libinput.h b/src/libinput.h
index 2e6ab06b..a9ad379a 100644
--- a/src/libinput.h
+++ b/src/libinput.h
@@ -1704,6 +1704,11 @@ libinput_device_get_size(struct libinput_device *device,
  * in the right order.
  */
 
+/**
+ * @ingroup config
+ *
+ * Status codes returned when applying configuration settings.
+ */
 enum libinput_config_status {
 	LIBINPUT_CONFIG_STATUS_SUCCESS = 0,	/**< Config applied successfully */
 	LIBINPUT_CONFIG_STATUS_UNSUPPORTED,	/**< Configuration not available on
@@ -1712,7 +1717,7 @@ enum libinput_config_status {
 };
 
 /**
- * @ingroup config Device configuration
+ * @ingroup config
  *
  * Return a string describing the error.
  *