From 4f22847d7d25ccb5caedfa8b72bc18167c9fabee Mon Sep 17 00:00:00 2001 From: Vegard Storheil Eriksen Date: Tue, 12 Mar 2013 23:30:05 +0800 Subject: [PATCH] Darwin: Do not assume HS when submitting isochronous transfer --- libusb/os/darwin_usb.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libusb/os/darwin_usb.c b/libusb/os/darwin_usb.c index ed4a933..8575162 100644 --- a/libusb/os/darwin_usb.c +++ b/libusb/os/darwin_usb.c @@ -1443,7 +1443,10 @@ static int submit_iso_transfer(struct usbi_transfer *itransfer) { transfer->num_iso_packets, tpriv->isoc_framelist, darwin_async_io_callback, itransfer); - cInterface->frames[transfer->endpoint] = frame + transfer->num_iso_packets / 8; + if (transfer->dev_handle->dev->speed == LIBUSB_SPEED_FULL) + cInterface->frames[transfer->endpoint] = frame + transfer->num_iso_packets; + else + cInterface->frames[transfer->endpoint] = frame + transfer->num_iso_packets / 8; if (kresult != kIOReturnSuccess) { usbi_err (TRANSFER_CTX (transfer), "isochronous transfer failed (dir: %s): %s", IS_XFERIN(transfer) ? "In" : "Out", -- 1.7.12.4 (Apple Git-37)