From 98b872abc71b555640a9465fd30e3ba184ab49be Mon Sep 17 00:00:00 2001
From: Mikkel Jeppesen <2756925+Duckle29@users.noreply.github.com>
Date: Sun, 19 Jan 2025 23:36:07 +0100
Subject: [PATCH] Fixed incorrect display dimension (#8110)

---
 esphome/components/waveshare_epaper/waveshare_213v3.cpp | 6 ++++--
 esphome/components/waveshare_epaper/waveshare_epaper.h  | 1 +
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/esphome/components/waveshare_epaper/waveshare_213v3.cpp b/esphome/components/waveshare_epaper/waveshare_213v3.cpp
index 196aeed3f7..85d7033d4b 100644
--- a/esphome/components/waveshare_epaper/waveshare_213v3.cpp
+++ b/esphome/components/waveshare_epaper/waveshare_213v3.cpp
@@ -72,7 +72,8 @@ void WaveshareEPaper2P13InV3::write_buffer_(uint8_t cmd, int top, int bottom) {
   this->set_window_(top, bottom);
   this->command(cmd);
   this->start_data_();
-  auto width_bytes = this->get_width_internal() / 8;
+
+  auto width_bytes = this->get_width_controller() / 8;
   this->write_array(this->buffer_ + top * width_bytes, (bottom - top) * width_bytes);
   this->end_data_();
 }
@@ -162,7 +163,8 @@ void WaveshareEPaper2P13InV3::display() {
   }
 }
 
-int WaveshareEPaper2P13InV3::get_width_internal() { return 128; }
+int WaveshareEPaper2P13InV3::get_width_controller() { return 128; }
+int WaveshareEPaper2P13InV3::get_width_internal() { return 122; }
 
 int WaveshareEPaper2P13InV3::get_height_internal() { return 250; }
 
diff --git a/esphome/components/waveshare_epaper/waveshare_epaper.h b/esphome/components/waveshare_epaper/waveshare_epaper.h
index 4544f7df59..0fc1051268 100644
--- a/esphome/components/waveshare_epaper/waveshare_epaper.h
+++ b/esphome/components/waveshare_epaper/waveshare_epaper.h
@@ -811,6 +811,7 @@ class WaveshareEPaper2P13InV3 : public WaveshareEPaper {
   void initialize() override;
 
  protected:
+  int get_width_controller() override;
   int get_width_internal() override;
   int get_height_internal() override;
   uint32_t idle_timeout_() override;