Move to slightly more relaxed timeouts for avalon.
diff --git a/driver-avalon.h b/driver-avalon.h
index 0de31c8..a5ae754 100644
--- a/driver-avalon.h
+++ b/driver-avalon.h
@@ -33,7 +33,7 @@
#define AVALON_DEFAULT_TIMEOUT 0x2D
#define AVALON_MIN_FREQUENCY 256
#define AVALON_MAX_FREQUENCY 450
-#define AVALON_TIMEOUT_FACTOR 12000
+#define AVALON_TIMEOUT_FACTOR 12690
#define AVALON_DEFAULT_FREQUENCY 282
#define AVALON_DEFAULT_MINER_NUM 0x20
#define AVALON_DEFAULT_ASIC_NUM 0xA