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From 4c2238bfb5f0345f889d2f22d52601eb76f62eaf Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Mon, 14 Jul 2014 22:02:09 +0100
Subject: [PATCH 054/114] hid: Reduce default mouse polling interval to 60Hz
Reduces overhead when using X
---
drivers/hid/usbhid/hid-core.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index ca6849a..4671921 100644
--- 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");
@@ -1079,8 +1079,12 @@ 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)) {
--
1.8.3.2
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