diff --git a/sys/dev/hid/hidquirk.h b/sys/dev/hid/hidquirk.h --- a/sys/dev/hid/hidquirk.h +++ b/sys/dev/hid/hidquirk.h @@ -50,6 +50,7 @@ HQ(IS_XBOX360GP), /* device is XBox 360 GamePad */ \ HQ(NOWRITE), /* device does not support writes */ \ HQ(IICHID_SAMPLING), /* IIC backend runs in sampling mode */ \ + HQ(NO_READAHEAD), /* Disable interrupt after one report */\ \ /* Various quirks */ \ HQ(HID_IGNORE), /* device should be ignored by hid class */ \ diff --git a/sys/dev/usb/input/usbhid.c b/sys/dev/usb/input/usbhid.c --- a/sys/dev/usb/input/usbhid.c +++ b/sys/dev/usb/input/usbhid.c @@ -114,6 +114,7 @@ void *cb_ctx; int waiters; bool influx; + bool no_readahead; }; struct usbhid_softc { @@ -272,7 +273,7 @@ sc->sc_intr_handler(sc->sc_intr_ctx, xfer_ctx->buf, xfer_ctx->req.intr.actlen); - return (0); + return (xfer_ctx->no_readahead ? ECANCELED : 0); } static int @@ -430,6 +431,7 @@ .cb = usbhid_intr_handler_cb, .cb_ctx = sc, .buf = sc->sc_intr_buf, + .no_readahead = hid_test_quirk(&sc->sc_hw, HQ_NO_READAHEAD), }; sc->sc_xfer_ctx[POLL_XFER(USBHID_INTR_IN_DT)] = (struct usbhid_xfer_ctx) { .req.intr.maxlen =