From 32648d9e5440756f571bff70e8c49069dbba5137 Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Mon, 14 Jul 2014 22:02:09 +0100
Subject: [PATCH] hid: Reduce default mouse polling interval to 60Hz

Reduces overhead when using X
---
 drivers/hid/usbhid/hid-core.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -45,7 +45,7 @@
  * Module parameters.
  */
 
-static unsigned int hid_mousepoll_interval;
+static unsigned int hid_mousepoll_interval = ~0;
 module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
 MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
 
@@ -1114,7 +1114,9 @@ static int usbhid_start(struct hid_devic
 		 */
 		switch (hid->collection->usage) {
 		case HID_GD_MOUSE:
-			if (hid_mousepoll_interval > 0)
+			if (hid_mousepoll_interval == ~0 && interval < 16)
+				interval = 16;
+			else if (hid_mousepoll_interval != ~0 && hid_mousepoll_interval != 0)
 				interval = hid_mousepoll_interval;
 			break;
 		case HID_GD_JOYSTICK:
