From efc486301f318e2066ab5fefe76827b5d2033c72 Mon Sep 17 00:00:00 2001
From: TangoCash <eric@loxat.de>
Date: Wed, 11 Oct 2017 20:42:05 +0200
Subject: [PATCH] armbox: enable DTS passthrough

---
 libarmbox/audio.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libarmbox/audio.cpp b/libarmbox/audio.cpp
index 909b019..dc4238e 100644
--- a/libarmbox/audio.cpp
+++ b/libarmbox/audio.cpp
@@ -394,8 +394,10 @@ void cAudio::SetHdmiDD(bool enable)
 
 void cAudio::SetSpdifDD(bool enable)
 {
+	//using this function for dts passthrough
+	const char *opt[] = {  "downmix", "passthrough" };
 	lt_debug("%s %d\n", __func__, enable);
-	setBypassMode(!enable);
+	proc_put("/proc/stb/audio/dts", opt[enable], strlen(opt[enable]));
 }
 
 void cAudio::ScheduleMute(bool On)