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hid: Reduce default mouse polling interval to 60Hz

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Reduces overhead when using X
This commit is contained in:
popcornmix
2014-07-14 22:02:09 +01:00
parent 3db1ce8b55
commit cb2a5d9dba
1 changed files with 7 additions and 3 deletions
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8
drivers/hid/usbhid/hid-core.c
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@@ -49,7 +49,7 @@
* Module parameters. * 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_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
MODULE_PARM_DESC(mousepoll, "Polling interval of mice"); MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
@@ -1083,8 +1083,12 @@ static int usbhid_start(struct hid_device *hid)
} }
/* Change the polling interval of mice. */ /* Change the polling interval of mice. */
if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0) 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; interval = hid_mousepoll_interval;
}
ret = -ENOMEM; ret = -ENOMEM;
if (usb_endpoint_dir_in(endpoint)) { if (usb_endpoint_dir_in(endpoint)) {