add a workaround for non-v4l standard signal reporting

1 files changed, 9 insertions, 1 deletions

diff --git a/signal.c b/signal.c
index 3618e34..667da6a 100644
--- a/signal.c
+++ b/signal.c
@@ -27,7 +27,15 @@ static uint16_t last_signal_level = 0;
 
 static void signal_update()
 {
-	uint16_t new_signal_level = tuner_get_signal();
+	uint16_t new_signal_level;
+#if WORKAROUND_BAD_WL1273_SIGNAL
+	/* rssi is a value from -128 to +127. */
+	new_signal_level = (tuner_get_signal() + 128) * 257;
+#else
+	/* rssi is a value from 0 to 65535. */
+	new_signal_level = tuner_get_signal();
+#endif
+
 	if (new_signal_level != last_signal_level) {
 		server_notify_signal(new_signal_level);
 		last_signal_level = new_signal_level;