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-rw-r--r--src/libirecovery.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/libirecovery.c b/src/libirecovery.c
index 7a5046a..57ac850 100644
--- a/src/libirecovery.c
+++ b/src/libirecovery.c
@@ -908,8 +908,10 @@ IRECV_API irecv_error_t irecv_usb_set_interface(irecv_client_t client, int usb_i
return IRECV_E_USB_INTERFACE;
}
- if (libusb_set_interface_alt_setting(client->handle, usb_interface, usb_alt_interface) < 0) {
- return IRECV_E_USB_INTERFACE;
+ if (usb_interface == 1) {
+ if (libusb_set_interface_alt_setting(client->handle, usb_interface, usb_alt_interface) < 0) {
+ return IRECV_E_USB_INTERFACE;
+ }
}
#else
if (irecv_usb_control_transfer(client, 0, 0x0B, usb_alt_interface, usb_interface, NULL, 0, USB_TIMEOUT) < 0) {