From 930ab89eee27327860ed31623975eec1526dffc4 Mon Sep 17 00:00:00 2001
From: fauxpark <fauxpark@gmail.com>
Date: Sat, 21 Sep 2019 15:11:15 +1000
Subject: [PATCH] Add support for 328P hardware backlight on B1/B2 (qmk#6776)

---
 quantum/quantum.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/quantum/quantum.c b/quantum/quantum.c
index 90df0293b7df..030daeca5251 100644
--- a/quantum/quantum.c
+++ b/quantum/quantum.c
@@ -1104,6 +1104,22 @@ void matrix_scan_quantum() {
 #            define COMxx1 COM1A1
 #            define OCRxx OCR1A
 #        endif
+#    elif defined(__AVR_ATmega328P__) && (BACKLIGHT_PIN == B1 || BACKLIGHT_PIN == B2)
+#        define HARDWARE_PWM
+#        define ICRx ICR1
+#        define TCCRxA TCCR1A
+#        define TCCRxB TCCR1B
+#        define TIMERx_OVF_vect TIMER1_OVF_vect
+#        define TIMSKx TIMSK1
+#        define TOIEx TOIE1
+
+#        if BACKLIGHT_PIN == B1
+#            define COMxx1 COM1A1
+#            define OCRxx OCR1A
+#        elif BACKLIGHT_PIN == B2
+#            define COMxx1 COM1B1
+#            define OCRxx OCR1B
+#        endif
 #    else
 #        if !defined(BACKLIGHT_CUSTOM_DRIVER)
 #            if !defined(B5_AUDIO) && !defined(B6_AUDIO) && !defined(B7_AUDIO)