hid: Reduce default mouse polling interval to 60Hz

Reduces overhead when using X

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 7838343eb37c541d698a7e78ff265e789fda7c98..fb8777ab070b699ba50fd8bc8d9d86971f6f9f93 100644 (file)
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -49,7 +49,7 @@
  * 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");
 
@@ -1093,8 +1093,12 @@ static int usbhid_start(struct hid_device *hid)
                }
 
                /* Change the polling interval of mice. */
-               if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
-                       interval = hid_mousepoll_interval;
+               if (hid->collection->usage == HID_GD_MOUSE) {
+                               if (hid_mousepoll_interval == ~0 && interval < 16)
+                                               interval = 16;
+                               else if (hid_mousepoll_interval != ~0 && hid_mousepoll_interval != 0)
+                                               interval = hid_mousepoll_interval;
+               }
 
                ret = -ENOMEM;
                if (usb_endpoint_dir_in(endpoint)) {