From 5c9a06c03da712261cd251cced62600c4425d059 Mon Sep 17 00:00:00 2001
From: hackerman-kl <hackerman-kl@kebag-logic.com>
Date: Sat, 25 Apr 2026 12:37:44 +0200
Subject: [PATCH] milan-avb: mrp: registrar treats RX_IN as a registration
 event

---
 src/modules/module-avb/mrp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/modules/module-avb/mrp.c b/src/modules/module-avb/mrp.c
index 528771155..3cc3825fb 100644
--- a/src/modules/module-avb/mrp.c
+++ b/src/modules/module-avb/mrp.c
@@ -412,7 +412,10 @@ void avb_mrp_attribute_update_state(struct avb_mrp_attribute *attr, uint64_t now
 		}
 		state = AVB_MRP_IN;
 		break;
+	/* IEEE 802.1Q-2014 Table 10-4: RX_IN transitions registrar to IN
+	 * the same way as RX_JOININ. */
 	case AVB_MRP_EVENT_RX_JOININ:
+	case AVB_MRP_EVENT_RX_IN:
 	case AVB_MRP_EVENT_RX_JOINMT:
 		switch (state) {
 		case AVB_MRP_LV: