diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/input/hid-core.c | 8 | ||||
| -rw-r--r-- | drivers/usb/input/hid.h | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index bb1f5211ff9..061002fc66f 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1797,6 +1797,14 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct))) quirks = hid_blacklist[n].quirks; + /* Many keyboards and mice don't like to be polled for reports, + * so we will always set the HID_QUIRK_NOGET flag for them. */ + if (interface->desc.bInterfaceSubClass == USB_INTERFACE_SUBCLASS_BOOT) { + if (interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_KEYBOARD || + interface->desc.bInterfaceProtocol == USB_INTERFACE_PROTOCOL_MOUSE) + quirks |= HID_QUIRK_NOGET; + } + if (quirks & HID_QUIRK_IGNORE) return NULL; diff --git a/drivers/usb/input/hid.h b/drivers/usb/input/hid.h index 7efbfff8add..778e575de35 100644 --- a/drivers/usb/input/hid.h +++ b/drivers/usb/input/hid.h @@ -41,6 +41,14 @@ #define USB_INTERFACE_CLASS_HID 3 /* + * USB HID interface subclass and protocol codes + */ + +#define USB_INTERFACE_SUBCLASS_BOOT 1 +#define USB_INTERFACE_PROTOCOL_KEYBOARD 1 +#define USB_INTERFACE_PROTOCOL_MOUSE 2 + +/* * HID class requests */ |