Merge remote-tracking branch 'upstream/develop'

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/led/ws2812.c b/drivers/led/ws2812.c
new file mode 100644
index 0000000000..bf234c6f7d
--- /dev/null
+++ b/drivers/led/ws2812.c
@@ -0,0 +1,15 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "ws2812.h"
+
+#if defined(WS2812_RGBW)
+void ws2812_rgb_to_rgbw(ws2812_led_t *led) {
+    // Determine lowest value in all three colors, put that into
+    // the white channel and then shift all colors by that amount
+    led->w = MIN(led->r, MIN(led->g, led->b));
+    led->r -= led->w;
+    led->g -= led->w;
+    led->b -= led->w;
+}
+#endif