From 6b831d31cc15c323ba035183ff425b3980a9378c Mon Sep 17 00:00:00 2001
From: Dominic Spill <dominicgs@gmail.com>
Date: Mon, 3 Oct 2016 12:39:30 +0100
Subject: [PATCH] Stop dropping buffers in firmware and allow the host to make
 the decision.

---
 firmware/hackrf_usb/usb_api_sweep.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/firmware/hackrf_usb/usb_api_sweep.c b/firmware/hackrf_usb/usb_api_sweep.c
index 434b7fdc..581faacc 100644
--- a/firmware/hackrf_usb/usb_api_sweep.c
+++ b/firmware/hackrf_usb/usb_api_sweep.c
@@ -89,13 +89,12 @@ void sweep_mode(void) {
 		if (transfer) {
 			*(uint16_t*)buffer = 0x7F7F;
 			*(uint16_t*)(buffer+2) = sweep_freq;
-			if (blocks_queued > 1)
-				usb_transfer_schedule_block(
-					&usb_endpoint_bulk_in,
-					buffer,
-					0x4000,
-					NULL, NULL
-				);
+			usb_transfer_schedule_block(
+				&usb_endpoint_bulk_in,
+				buffer,
+				0x4000,
+				NULL, NULL
+			);
 			transfer = false;
 		}