audio: Make speaker swap on screen rotation optional

Change-Id: I73623629c4418bff8178793d856d8da98b694283

audio/audio_hw.c

@@ -3767,6 +3767,7 @@ static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
             adev->bluetooth_nrec = false;
     }
 
+#if SWAP_SPEAKER_ON_SCREEN_ROTATION
     ret = str_parms_get_int(parms, "rotation", &val);
     if (ret >= 0) {
         bool reverse_speakers = false;
@@ -3800,6 +3801,7 @@ static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
         }
         pthread_mutex_unlock(&adev->lock);
     }
+#endif /* SWAP_SPEAKER_ON_SCREEN_ROTATION */
 
     str_parms_destroy(parms);
 

audio/include/samsung_audio.h

@@ -44,5 +44,11 @@
 #define SOUND_CAPTURE_HOTWORD_DEVICE 0
 */
 
+/*
+ * If the device has stereo speakers and the speakers are arranged on
+ * different sides of the device you can activate this feature by
+ * setting it to 1.
+ */
+#define SWAP_SPEAKER_ON_SCREEN_ROTATION 0
 
 #endif // SAMSUNG_AUDIO_H