From 838dfcf7cc073fce4bf7b0476ed1193dc3fd38fa Mon Sep 17 00:00:00 2001
From: X-Bows Tech <41098278+XBowsTech@users.noreply.github.com>
Date: Fri, 6 Nov 2020 03:58:46 +0800
Subject: Add support for 4 IS31FL3731 devices (#10860)

This is a simple change.Support for IS31FL3731 has been changed from 2 to 4.
---
 quantum/rgb_matrix_drivers.c | 30 ++++++++++++++++++++++++------
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/quantum/rgb_matrix_drivers.c b/quantum/rgb_matrix_drivers.c
index 8f670f9a33..2978e7bed9 100644
--- a/quantum/rgb_matrix_drivers.c
+++ b/quantum/rgb_matrix_drivers.c
@@ -31,9 +31,15 @@ static void init(void) {
     i2c_init();
 #    ifdef IS31FL3731
     IS31FL3731_init(DRIVER_ADDR_1);
-#      ifdef DRIVER_ADDR_2
+#        ifdef DRIVER_ADDR_2
     IS31FL3731_init(DRIVER_ADDR_2);
-#      endif
+#        endif
+#        ifdef DRIVER_ADDR_3
+    IS31FL3731_init(DRIVER_ADDR_3);
+#        endif
+#        ifdef DRIVER_ADDR_4
+    IS31FL3731_init(DRIVER_ADDR_4);
+#        endif
 #    elif defined(IS31FL3733)
     IS31FL3733_init(DRIVER_ADDR_1, 0);
 #    elif defined(IS31FL3737)
@@ -57,9 +63,15 @@ static void init(void) {
     // This actually updates the LED drivers
 #    ifdef IS31FL3731
     IS31FL3731_update_led_control_registers(DRIVER_ADDR_1, 0);
-#      ifdef DRIVER_ADDR_2
+#        ifdef DRIVER_ADDR_2
     IS31FL3731_update_led_control_registers(DRIVER_ADDR_2, 1);
-#      endif
+#        endif
+#        ifdef DRIVER_ADDR_3
+    IS31FL3731_update_led_control_registers(DRIVER_ADDR_3, 2);
+#        endif
+#        ifdef DRIVER_ADDR_4
+    IS31FL3731_update_led_control_registers(DRIVER_ADDR_4, 3);
+#        endif
 #    elif defined(IS31FL3733)
     IS31FL3733_update_led_control_registers(DRIVER_ADDR_1, 0);
     IS31FL3733_update_led_control_registers(DRIVER_ADDR_2, 1);
@@ -73,9 +85,15 @@ static void init(void) {
 #    ifdef IS31FL3731
 static void flush(void) {
     IS31FL3731_update_pwm_buffers(DRIVER_ADDR_1, 0);
-#      ifdef DRIVER_ADDR_2
+#        ifdef DRIVER_ADDR_2
     IS31FL3731_update_pwm_buffers(DRIVER_ADDR_2, 1);
-#      endif
+#        endif
+#        ifdef DRIVER_ADDR_3
+    IS31FL3731_update_pwm_buffers(DRIVER_ADDR_3, 2);
+#        endif
+#        ifdef DRIVER_ADDR_4
+    IS31FL3731_update_pwm_buffers(DRIVER_ADDR_4, 3);
+#        endif
 }
 
 const rgb_matrix_driver_t rgb_matrix_driver = {
-- 
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