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37 lines
1.2 KiB
Diff
37 lines
1.2 KiB
Diff
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From 1697df63a0dd1cdc54f304cfb7c4a3a997661f06 Mon Sep 17 00:00:00 2001
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From: popcornmix <popcornmix@gmail.com>
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Date: Mon, 14 Jul 2014 22:02:09 +0100
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Subject: [PATCH] hid: Reduce default mouse polling interval to 60Hz
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Reduces overhead when using X
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---
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drivers/hid/usbhid/hid-core.c | 10 +++++++---
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1 file changed, 7 insertions(+), 3 deletions(-)
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--- a/drivers/hid/usbhid/hid-core.c
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+++ b/drivers/hid/usbhid/hid-core.c
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@@ -49,7 +49,7 @@
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* Module parameters.
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*/
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-static unsigned int hid_mousepoll_interval;
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+static unsigned int hid_mousepoll_interval = ~0;
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module_param_named(mousepoll, hid_mousepoll_interval, uint, 0644);
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MODULE_PARM_DESC(mousepoll, "Polling interval of mice");
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@@ -1083,8 +1083,12 @@ static int usbhid_start(struct hid_devic
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}
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/* Change the polling interval of mice. */
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- if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
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- interval = hid_mousepoll_interval;
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+ if (hid->collection->usage == HID_GD_MOUSE) {
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+ if (hid_mousepoll_interval == ~0 && interval < 16)
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+ interval = 16;
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+ else if (hid_mousepoll_interval != ~0 && hid_mousepoll_interval != 0)
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+ interval = hid_mousepoll_interval;
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+ }
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ret = -ENOMEM;
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if (usb_endpoint_dir_in(endpoint)) {
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