diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index ae3dd8b..be37436 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -1343,7 +1343,7 @@
     switch (mType) {
 
     case DIRECT:
-        if ((format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_PCM) {
+        if (audio_is_linear_pcm(format)) {
             if (sampleRate != mSampleRate || format != mFormat || channelMask != mChannelMask) {
                 ALOGE("createTrack_l() Bad parameter: sampleRate %u format %#x, channelMask 0x%08x "
                         "for output %p with format %#x",
@@ -1365,7 +1365,7 @@
         break;
 
     default:
-        if ((format & AUDIO_FORMAT_MAIN_MASK) != AUDIO_FORMAT_PCM) {
+        if (!audio_is_linear_pcm(format)) {
                 ALOGE("createTrack_l() Bad parameter: format %#x \""
                         "for output %p with format %#x",
                         format, mOutput, mFormat);