From 2db991c8236a02ce9d5da447efcf3f5968baa79f Mon Sep 17 00:00:00 2001
From: andig <cpuidle@gmx.de>
Date: Sun, 15 Oct 2023 14:23:27 +0200
Subject: [PATCH] Dadapower: fix phase switching

---
 charger/dadapower.go | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/charger/dadapower.go b/charger/dadapower.go
index f5391ae40..ff6b22ed9 100644
--- a/charger/dadapower.go
+++ b/charger/dadapower.go
@@ -207,7 +207,15 @@ var _ api.PhaseSwitcher = (*Dadapower)(nil)
 
 // Phases1p3p implements the api.PhaseSwitcher interface
 func (wb *Dadapower) Phases1p3p(phases int) error {
-	_, err := wb.conn.WriteSingleRegister(dadapowerRegActivePhases+wb.regOffset, uint16(phases))
+	err := wb.Enable(false)
+	if err == nil {
+		time.Sleep(5 * time.Second)
+		_, err = wb.conn.WriteSingleRegister(dadapowerRegActivePhases+wb.regOffset, uint16(phases))
+	}
+	if err == nil {
+		time.Sleep(2 * time.Second)
+		err = wb.Enable(true)
+	}
 	return err
 }