Reduce duplication for ARM/AVR ws2812 RGB Matrix driver (#7180)

* Reduce duplication for ARM/AVR ws2812 rgb_matrix driver

* Reduce duplication for ARM/AVR ws2812 rgb_matrix driver - Fix setled_all use of r,g,b

1 files changed, 18 insertions, 4 deletions

diff --git a/quantum/rgb_matrix_drivers.c b/quantum/rgb_matrix_drivers.c
index 5b54bd595..503f97014 100644
--- a/quantum/rgb_matrix_drivers.c
+++ b/quantum/rgb_matrix_drivers.c
@@ -97,19 +97,33 @@ const rgb_matrix_driver_t rgb_matrix_driver = {
 
 #elif defined(WS2812)
 
-extern LED_TYPE led[DRIVER_LED_TOTAL];
+// LED color buffer
+LED_TYPE led[DRIVER_LED_TOTAL];
+
+static void init(void) {}
 
 static void flush(void) {
     // Assumes use of RGB_DI_PIN
     ws2812_setleds(led, DRIVER_LED_TOTAL);
 }
 
-static void init(void) {}
+// Set an led in the buffer to a color
+static inline void setled(int i, uint8_t r, uint8_t g, uint8_t b) {
+    led[i].r = r;
+    led[i].g = g;
+    led[i].b = b;
+}
+
+static void setled_all(uint8_t r, uint8_t g, uint8_t b) {
+    for (int i = 0; i < sizeof(led) / sizeof(led[0]); i++) {
+        setled(i, r, g, b);
+    }
+}
 
 const rgb_matrix_driver_t rgb_matrix_driver = {
     .init          = init,
     .flush         = flush,
-    .set_color     = ws2812_setled,
-    .set_color_all = ws2812_setled_all,
+    .set_color     = setled,
+    .set_color_all = setled_all,
 };
 #endif