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path: root/lib/libusb/libusb20_ugen20.c
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Diffstat (limited to 'lib/libusb/libusb20_ugen20.c')
-rw-r--r--lib/libusb/libusb20_ugen20.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/lib/libusb/libusb20_ugen20.c b/lib/libusb/libusb20_ugen20.c
index 17c948b4ac38..2c677783d850 100644
--- a/lib/libusb/libusb20_ugen20.c
+++ b/lib/libusb/libusb20_ugen20.c
@@ -741,9 +741,13 @@ ugen20_process(struct libusb20_device *pdev)
static int
ugen20_tr_open(struct libusb20_transfer *xfer, uint32_t MaxBufSize,
- uint32_t MaxFrameCount, uint8_t ep_no, uint8_t pre_scale)
+ uint32_t MaxFrameCount, uint8_t ep_no, uint16_t stream_id,
+ uint8_t pre_scale)
{
- struct usb_fs_open temp;
+ union {
+ struct usb_fs_open fs_open;
+ struct usb_fs_open_stream fs_open_stream;
+ } temp;
struct usb_fs_endpoint *fsep;
if (pre_scale)
@@ -754,20 +758,26 @@ ugen20_tr_open(struct libusb20_transfer *xfer, uint32_t MaxBufSize,
fsep = xfer->pdev->privBeData;
fsep += xfer->trIndex;
- temp.max_bufsize = MaxBufSize;
- temp.max_frames = MaxFrameCount;
- temp.ep_index = xfer->trIndex;
- temp.ep_no = ep_no;
+ temp.fs_open.max_bufsize = MaxBufSize;
+ temp.fs_open.max_frames = MaxFrameCount;
+ temp.fs_open.ep_index = xfer->trIndex;
+ temp.fs_open.ep_no = ep_no;
- if (ioctl(xfer->pdev->file, USB_FS_OPEN, &temp)) {
- return (LIBUSB20_ERROR_INVALID_PARAM);
+ if (stream_id != 0) {
+ temp.fs_open_stream.stream_id = stream_id;
+
+ if (ioctl(xfer->pdev->file, USB_FS_OPEN_STREAM, &temp.fs_open_stream))
+ return (LIBUSB20_ERROR_INVALID_PARAM);
+ } else {
+ if (ioctl(xfer->pdev->file, USB_FS_OPEN, &temp.fs_open))
+ return (LIBUSB20_ERROR_INVALID_PARAM);
}
/* maximums might have changed - update */
- xfer->maxFrames = temp.max_frames;
+ xfer->maxFrames = temp.fs_open.max_frames;
/* "max_bufsize" should be multiple of "max_packet_length" */
- xfer->maxTotalLength = temp.max_bufsize;
- xfer->maxPacketLen = temp.max_packet_length;
+ xfer->maxTotalLength = temp.fs_open.max_bufsize;
+ xfer->maxPacketLen = temp.fs_open.max_packet_length;
/* setup buffer and length lists using zero copy */
fsep->ppBuffer = libusb20_pass_ptr(xfer->ppBuffer);