Eliminates gcc warnings from -Wparentheses

I've been getting a lot of warnings on these lines of the form: suggest
parentheses around arithmetic in operand of '|' [-Wparentheses]

Change-Id: Iee1b333eff3a77f3fbeba715bb569c7fd76a3f97

diff --git a/audio/include/system/audio.h b/audio/include/system/audio.h
index 9f2ea79..7b525f6 100644 (file)
--- a/audio/include/system/audio.h
+++ b/audio/include/system/audio.h
@@ -503,14 +503,14 @@ typedef enum {
  */
 enum {
     AUDIO_CHANNEL_INDEX_HDR  = AUDIO_CHANNEL_REPRESENTATION_INDEX << AUDIO_CHANNEL_COUNT_MAX,
-    AUDIO_CHANNEL_INDEX_MASK_1 =  AUDIO_CHANNEL_INDEX_HDR | (1 << 1) - 1,
-    AUDIO_CHANNEL_INDEX_MASK_2 =  AUDIO_CHANNEL_INDEX_HDR | (1 << 2) - 1,
-    AUDIO_CHANNEL_INDEX_MASK_3 =  AUDIO_CHANNEL_INDEX_HDR | (1 << 3) - 1,
-    AUDIO_CHANNEL_INDEX_MASK_4 =  AUDIO_CHANNEL_INDEX_HDR | (1 << 4) - 1,
-    AUDIO_CHANNEL_INDEX_MASK_5 =  AUDIO_CHANNEL_INDEX_HDR | (1 << 5) - 1,
-    AUDIO_CHANNEL_INDEX_MASK_6 =  AUDIO_CHANNEL_INDEX_HDR | (1 << 6) - 1,
-    AUDIO_CHANNEL_INDEX_MASK_7 =  AUDIO_CHANNEL_INDEX_HDR | (1 << 7) - 1,
-    AUDIO_CHANNEL_INDEX_MASK_8 =  AUDIO_CHANNEL_INDEX_HDR | (1 << 8) - 1,
+    AUDIO_CHANNEL_INDEX_MASK_1 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 1) - 1),
+    AUDIO_CHANNEL_INDEX_MASK_2 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 2) - 1),
+    AUDIO_CHANNEL_INDEX_MASK_3 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 3) - 1),
+    AUDIO_CHANNEL_INDEX_MASK_4 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 4) - 1),
+    AUDIO_CHANNEL_INDEX_MASK_5 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 5) - 1),
+    AUDIO_CHANNEL_INDEX_MASK_6 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 6) - 1),
+    AUDIO_CHANNEL_INDEX_MASK_7 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 7) - 1),
+    AUDIO_CHANNEL_INDEX_MASK_8 =  AUDIO_CHANNEL_INDEX_HDR | ((1 << 8) - 1),
     // FIXME FCC_8
 };