From 928922743a0b1b612fcd3a2a66df3180f5f9e8a7 Mon Sep 17 00:00:00 2001
From: probonopd <probonopd@users.noreply.github.com>
Date: Sun, 6 Mar 2022 22:00:00 +0100
Subject: [PATCH] Define USE_PWM_AUDIO_ON_ZERO

Allow to connect earphones or an amplifier to the Raspberry Pi Zero (2) via GPIO12/13 using a small external circuit, https://learn.adafruit.com/assets/28754
Closes https://github.com/probonopd/MiniDexed/issues/38
Thanks @rsta2
---
 build.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build.sh b/build.sh
index e529a66..ef9ce68 100755
--- a/build.sh
+++ b/build.sh
@@ -18,6 +18,7 @@ fi
 cd circle-stdlib/
 make mrproper || true
 ./configure -r ${RPI} --prefix "${TOOLCHAIN_PREFIX}"
+echo "DEFINE += -DUSE_PWM_AUDIO_ON_ZERO" >> libs/circle/Config.mk
 echo "DEFINE += -DSAVE_VFP_REGS_ON_IRQ" >> libs/circle/Config.mk
 echo "DEFINE += -DREALTIME" >> libs/circle/Config.mk
 make -j