From e5918cf968f3e2c4a62858ee789748443ba58d10 Mon Sep 17 00:00:00 2001
From: Albert Y <76888457+filterpaper@users.noreply.github.com>
Date: Sun, 17 Apr 2022 02:34:07 +0800
Subject: Heatmap incorrect matrix effect workaround (#16315)

---
 quantum/rgb_matrix/animations/typing_heatmap_anim.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'quantum/rgb_matrix')

diff --git a/quantum/rgb_matrix/animations/typing_heatmap_anim.h b/quantum/rgb_matrix/animations/typing_heatmap_anim.h
index f3a94280c0..4b17c4c3ed 100644
--- a/quantum/rgb_matrix/animations/typing_heatmap_anim.h
+++ b/quantum/rgb_matrix/animations/typing_heatmap_anim.h
@@ -7,6 +7,10 @@ RGB_MATRIX_EFFECT(TYPING_HEATMAP)
 #        endif
 
 void process_rgb_matrix_typing_heatmap(uint8_t row, uint8_t col) {
+#        ifdef RGB_MATRIX_TYPING_HEATMAP_SLIM
+    // Limit effect to pressed keys
+    g_rgb_frame_buffer[row][col] = qadd8(g_rgb_frame_buffer[row][col], 32);
+#        else
     uint8_t m_row = row - 1;
     uint8_t p_row = row + 1;
     uint8_t m_col = col - 1;
@@ -27,6 +31,7 @@ void process_rgb_matrix_typing_heatmap(uint8_t row, uint8_t col) {
         g_rgb_frame_buffer[m_row][col] = qadd8(g_rgb_frame_buffer[m_row][col], 16);
         if (p_col < MATRIX_COLS) g_rgb_frame_buffer[m_row][p_col] = qadd8(g_rgb_frame_buffer[m_row][p_col], 13);
     }
+#        endif
 }
 
 // A timer to track the last time we decremented all heatmap values.
-- 
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