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-rw-r--r--src/drivers/px4io/px4io.cpp8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp
index 2c0078503..8eee1cbca 100644
--- a/src/drivers/px4io/px4io.cpp
+++ b/src/drivers/px4io/px4io.cpp
@@ -1479,9 +1479,11 @@ PX4IO::io_publish_raw_rc()
} else {
rc_val.input_source = RC_INPUT_SOURCE_UNKNOWN;
- /* we do not know the RC input, but have to publish timestamp_published
- * and rc_lost flag, so do not prematurely return here
- */
+ /* only keep publishing RC input if we ever got a valid input */
+ if (_rc_last_valid == 0) {
+ /* we have never seen valid RC signals, abort */
+ return OK;
+ }
}
/* lazily advertise on first publication */