From 3ab87273e6a1143cbfbbc14e0529ba79218eb07b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jacek=20Zi=C3=B3=C5=82kowski?=
 <jziolkowski@users.noreply.github.com>
Date: Mon, 25 Nov 2024 10:38:43 +0100
Subject: [PATCH] Shitf595 dynamic device count (#22543)

* Make max Shift595 device count dynamic

* Update xdrv_60_shift595.ino
---
 tasmota/tasmota_xdrv_driver/xdrv_60_shift595.ino | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tasmota/tasmota_xdrv_driver/xdrv_60_shift595.ino b/tasmota/tasmota_xdrv_driver/xdrv_60_shift595.ino
index 809ec86ac..53c9a2110 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_60_shift595.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_60_shift595.ino
@@ -88,7 +88,7 @@ void Shift595SwitchRelay(void) {
 }
 
 void CmndShift595Devices(void) {
-  if ((XdrvMailbox.payload > 0) && (XdrvMailbox.payload <= 3)) {
+  if ((XdrvMailbox.payload > 0) && (XdrvMailbox.payload * 8 <= MAX_RELAYS_SET - Shift595->first)) {
     Settings->shift595_device_count = (1 == XdrvMailbox.payload) ? SHIFT595_DEVICE_COUNT : XdrvMailbox.payload;
     TasmotaGlobal.restart_flag = 2;
   }