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;