libusb_helper: split error and returned value

[openocd.git] / src / jtag / drivers / libusb_helper.h

diff --git a/src/jtag/drivers/libusb_helper.h b/src/jtag/drivers/libusb_helper.h
index 799e3e6a913c5c43f0bfecb5320c58a442f9c1e9..75f133519a50f689ce4f325cb90aa2392c64b494 100644 (file)
--- a/src/jtag/drivers/libusb_helper.h
+++ b/src/jtag/drivers/libusb_helper.h
@@ -38,7 +38,8 @@ int jtag_libusb_open(const uint16_t vids[], const uint16_t pids[],
 void jtag_libusb_close(struct libusb_device_handle *dev);
 int jtag_libusb_control_transfer(struct libusb_device_handle *dev,
                uint8_t request_type, uint8_t request, uint16_t value,
-               uint16_t index, char *bytes, uint16_t size, unsigned int timeout);
+               uint16_t index, char *bytes, uint16_t size, unsigned int timeout,
+               int *transferred);
 int jtag_libusb_bulk_write(struct libusb_device_handle *dev, int ep,
                char *bytes, int size, int timeout, int *transferred);
 int jtag_libusb_bulk_read(struct libusb_device_handle *dev, int ep,