From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Type 6 should be used for the first transfer during an interval. This is also what the reference driver is using. Type 7 seems to be for following or additional transfers within the same interval. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Felipe Balbi <balbi@xxxxxx> --- drivers/usb/dwc3/gadget.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index a324957..ebe6bbc 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -632,7 +632,7 @@ static struct dwc3_request *dwc3_prepare_trbs(struct dwc3_ep *dep, break; case USB_ENDPOINT_XFER_ISOC: - trb.trbctl = DWC3_TRBCTL_ISOCHRONOUS; + trb.trbctl = DWC3_TRBCTL_ISOCHRONOUS_FIRST; /* IOC every DWC3_TRB_NUM / 4 so we can refill */ if (!(cur_slot % (DWC3_TRB_NUM / 4))) -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
