openwrtv4/target/linux/brcm2708/patches-4.4/0070-hid-Reduce-default-mouse-polling-interval-to-60Hz.patch
John Crispin b3dc9566a4 brcm2708: switch to linux 4.4 and update patches
As usual these patches were extracted from:
https://github.com/raspberrypi/linux/commits/rpi-4.4.y

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

SVN-Revision: 48765
2016-02-25 10:14:01 +00:00

36 lines
1.2 KiB
Diff

From 6804db582a5c59d572eb0d4b5fb84204928e33bf Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Mon, 14 Jul 2014 22:02:09 +0100
Subject: [PATCH 070/156] 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(-)
--- 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");
@@ -1091,8 +1091,12 @@ static int usbhid_start(struct hid_devic
}
/* 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)) {