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-rw-r--r--libjaylink/swd.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libjaylink/swd.c b/libjaylink/swd.c
index 2662d35..2dcf16d 100644
--- a/libjaylink/swd.c
+++ b/libjaylink/swd.c
@@ -57,6 +57,7 @@
* @retval JAYLINK_OK Success.
* @retval JAYLINK_ERR_ARG Invalid arguments.
* @retval JAYLINK_ERR_TIMEOUT A timeout occurred.
+ * @retval JAYLINK_ERR_IO Input/output error.
* @retval JAYLINK_ERR_DEV Unspecified device error.
* @retval JAYLINK_ERR_DEV_NO_MEMORY Not enough memory on the device to perform
* the operation.