diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 792b2708a137ccfc2165b90e5a8a5cc33cc09f8c..fdd645c214a2dce90dfd9fc89059b4a6d8ff4789 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -49,6 +49,7 @@ #include #include #include +#include #define DRIVER_VERSION "v0.6" @@ -101,7 +102,7 @@ struct usbtouch_usb { /* device types */ enum { - DEVTPYE_DUMMY = -1, + DEVTYPE_IGNORE = -1, DEVTYPE_EGALAX, DEVTYPE_PANJIT, DEVTYPE_3M, @@ -115,8 +116,21 @@ enum { DEVTYPE_GOTOP, }; +#define USB_DEVICE_HID_CLASS(vend, prod) \ + .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS \ + | USB_DEVICE_ID_MATCH_DEVICE, \ + .idVendor = (vend), \ + .idProduct = (prod), \ + .bInterfaceClass = USB_INTERFACE_CLASS_HID, \ + .bInterfaceProtocol = USB_INTERFACE_PROTOCOL_MOUSE + static struct usb_device_id usbtouch_devices[] = { #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX + /* ignore the HID capable devices, handled by usbhid */ + {USB_DEVICE_HID_CLASS(0x0eef, 0x0001), .driver_info = DEVTYPE_IGNORE}, + {USB_DEVICE_HID_CLASS(0x0eef, 0x0002), .driver_info = DEVTYPE_IGNORE}, + + /* normal device IDs */ {USB_DEVICE(0x3823, 0x0001), .driver_info = DEVTYPE_EGALAX}, {USB_DEVICE(0x3823, 0x0002), .driver_info = DEVTYPE_EGALAX}, {USB_DEVICE(0x0123, 0x0001), .driver_info = DEVTYPE_EGALAX}, @@ -857,6 +871,10 @@ static int usbtouch_probe(struct usb_interface *intf, struct usbtouch_device_info *type; int err = -ENOMEM; + /* some devices are ignored */ + if (id->driver_info == DEVTYPE_IGNORE) + return -ENODEV; + interface = intf->cur_altsetting; endpoint = &interface->endpoint[0].desc;