From cdf55d7c709242ced9b0e3749f9651ccb6bcee25 Mon Sep 17 00:00:00 2001
From: haudamekki <38363966+haudamekki@users.noreply.github.com>
Date: Thu, 31 Oct 2024 09:01:55 +0100
Subject: [PATCH] Update gp8211.cpp

---
 esphome/components/gp8211/gp8211.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/esphome/components/gp8211/gp8211.cpp b/esphome/components/gp8211/gp8211.cpp
index f2e9e47024..124e7f1f5b 100644
--- a/esphome/components/gp8211/gp8211.cpp
+++ b/esphome/components/gp8211/gp8211.cpp
@@ -8,7 +8,9 @@ static const char *const TAG = "gp8211";
 
 static const uint8_t RANGE_REGISTER = 0x01;
 
-void GP8211::setup() { this->write_register(RANGE_REGISTER, &this->voltage_, 1); }
+void GP8211::setup() {
+    this->write_register(RANGE_REGISTER, reinterpret_cast<uint8_t*>(&this->voltage_), sizeof(this->voltage_));
+}
 
 void GP8211::dump_config() {
   ESP_LOGCONFIG(TAG, "GP8211:");