openwrt/target/linux/bcm27xx/patches-5.4/950-0112-hid-Reduce-default-mouse-polling-interval-to-60Hz.patch
Álvaro Fernández Rojas a1383655cf bcm27xx: add linux 5.4 support
Tested on bcm2710 (Raspberry Pi 3B).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-02-29 12:50:51 +01:00

33 lines
1.1 KiB
Diff

From 160e62d1a19ea1167c5de663e906685042167b1f 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");
@@ -1101,7 +1101,9 @@ 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: