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D51605.diff
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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 =
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D51605: hid: Add HQ_NO_READAHEAD quirk and implement it in usbhid(4)
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