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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt3
-rw-r--r--drivers/hid/usbhid/hid-core.c12
2 files changed, 14 insertions, 1 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index b98048b56ada..e0d825206681 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4352,6 +4352,9 @@
usbhid.jspoll=
[USBHID] The interval which joysticks are to be polled at.
+ usbhid.kbpoll=
+ [USBHID] The interval which keyboards are to be polled at.
+
usb-storage.delay_use=
[UMS] The delay in seconds before a new device is
scanned for Logical Units (default 1).
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 77c50cdfff97..af0e0d061b15 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -56,6 +56,10 @@ static unsigned int hid_jspoll_interval;
module_param_named(jspoll, hid_jspoll_interval, uint, 0644);
MODULE_PARM_DESC(jspoll, "Polling interval of joysticks");
+static unsigned int hid_kbpoll_interval;
+module_param_named(kbpoll, hid_kbpoll_interval, uint, 0644);
+MODULE_PARM_DESC(kbpoll, "Polling interval of keyboards");
+
static unsigned int ignoreled;
module_param_named(ignoreled, ignoreled, uint, 0644);
MODULE_PARM_DESC(ignoreled, "Autosuspend with active leds");
@@ -1094,7 +1098,9 @@ static int usbhid_start(struct hid_device *hid)
hid->name, endpoint->bInterval, interval);
}
- /* Change the polling interval of mice and joysticks. */
+ /* Change the polling interval of mice, joysticks
+ * and keyboards.
+ */
switch (hid->collection->usage) {
case HID_GD_MOUSE:
if (hid_mousepoll_interval > 0)
@@ -1104,6 +1110,10 @@ static int usbhid_start(struct hid_device *hid)
if (hid_jspoll_interval > 0)
interval = hid_jspoll_interval;
break;
+ case HID_GD_KEYBOARD:
+ if (hid_kbpoll_interval > 0)
+ interval = hid_kbpoll_interval;
+ break;
}
ret = -ENOMEM;