From 5da770048345a44c0629e4ed6a7e565caee9f1a5 Mon Sep 17 00:00:00 2001
From: premultiply <4681172+premultiply@users.noreply.github.com>
Date: Wed, 1 Oct 2025 20:46:24 +0200
Subject: [PATCH] Smartevse: disable during phase switch (#24018)

---
 charger/smartevse.go | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/charger/smartevse.go b/charger/smartevse.go
index fa9ac4d34..71edf7f92 100644
--- a/charger/smartevse.go
+++ b/charger/smartevse.go
@@ -241,12 +241,11 @@ func (wb *smartEVSE) Phases1p3p(phases int) error {
 		settings |= 1 // set bit 0 (smartEVSEConfPhases)
 	}
 
-	if _, err := wb.conn.WriteSingleRegister(smartEVSERegSettings, settings); err != nil {
+	return whenDisabled(wb, func() error {
+		// Switch phases
+		_, err := wb.conn.WriteSingleRegister(smartEVSERegSettings, settings)
 		return err
-	}
-
-	// we need to stop charging quickly for the setting to take effect
-	return wb.Enable(false)
+	})
 }
 
 var _ api.Diagnosis = (*smartEVSE)(nil)