Add cleaned-up xDuoo X3 support

Cleaned up, rebased, and forward-ported from the xvortex fork.

(original credit to vsoftster@gmail.com)

Change-Id: Ibcc023a0271ea81e901450a88317708c2683236d
Signed-off-by: Solomon Peachy <pizza@shaftnet.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/firmware/sound.c b/firmware/sound.c
index a19cc15c41..eb66f34c5d 100644
--- a/firmware/sound.c
+++ b/firmware/sound.c
@@ -324,6 +324,16 @@ void sound_set_filter_roll_off(int value)
 }
 #endif
 
+#if defined(AUDIOHW_HAVE_FUNCTIONAL_MODE)
+void sound_set_functional_mode(int value)
+{
+    if (!audio_is_initialized)
+        return;
+
+    audiohw_set_functional_mode(value);
+}
+#endif
+
 #if defined(AUDIOHW_HAVE_EQ)
 int sound_enum_hw_eq_band_setting(unsigned int band,
                                   unsigned int band_setting)