diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index 88c9ba5..590b379 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -799,7 +799,7 @@
             if (mask & AUDIO_CHANNEL_OUT_FRONT_LEFT) s.append("front-left, ");
             if (mask & AUDIO_CHANNEL_OUT_FRONT_RIGHT) s.append("front-right, ");
             if (mask & AUDIO_CHANNEL_OUT_FRONT_CENTER) s.append("front-center, ");
-            if (mask & AUDIO_CHANNEL_OUT_LOW_FREQUENCY) s.append("low freq, ");
+            if (mask & AUDIO_CHANNEL_OUT_LOW_FREQUENCY) s.append("low-frequency, ");
             if (mask & AUDIO_CHANNEL_OUT_BACK_LEFT) s.append("back-left, ");
             if (mask & AUDIO_CHANNEL_OUT_BACK_RIGHT) s.append("back-right, ");
             if (mask & AUDIO_CHANNEL_OUT_FRONT_LEFT_OF_CENTER) s.append("front-left-of-center, ");
@@ -819,7 +819,7 @@
             if (mask & AUDIO_CHANNEL_OUT_BOTTOM_FRONT_LEFT) s.append("bottom-front-left, ");
             if (mask & AUDIO_CHANNEL_OUT_BOTTOM_FRONT_CENTER) s.append("bottom-front-center, ");
             if (mask & AUDIO_CHANNEL_OUT_BOTTOM_FRONT_RIGHT) s.append("bottom-front-right, ");
-            if (mask & AUDIO_CHANNEL_OUT_LOW_FREQUENCY_2) s.append("low_frequency_2, ");
+            if (mask & AUDIO_CHANNEL_OUT_LOW_FREQUENCY_2) s.append("low-frequency-2, ");
             if (mask & AUDIO_CHANNEL_OUT_HAPTIC_B) s.append("haptic-B, ");
             if (mask & AUDIO_CHANNEL_OUT_HAPTIC_A) s.append("haptic-A, ");
             if (mask & ~AUDIO_CHANNEL_OUT_ALL) s.append("unknown,  ");
@@ -839,7 +839,7 @@
             if (mask & AUDIO_CHANNEL_IN_BACK_LEFT) s.append("back-left, ");
             if (mask & AUDIO_CHANNEL_IN_BACK_RIGHT) s.append("back-right, ");
             if (mask & AUDIO_CHANNEL_IN_CENTER) s.append("center, ");
-            if (mask & AUDIO_CHANNEL_IN_LOW_FREQUENCY) s.append("low freq, ");
+            if (mask & AUDIO_CHANNEL_IN_LOW_FREQUENCY) s.append("low-frequency, ");
             if (mask & AUDIO_CHANNEL_IN_TOP_LEFT) s.append("top-left, ");
             if (mask & AUDIO_CHANNEL_IN_TOP_RIGHT) s.append("top-right, ");
             if (mask & AUDIO_CHANNEL_IN_VOICE_UPLINK) s.append("voice-uplink, ");