commit 3ed162b237b95ed623c9ef23ba04f638d5987d24
author Mingming Yin <mingming@codeaurora.org> Mon Feb 24 17:56:01 2014 -0800
committer Gerrit - the friendly Code Review server <code-review@localhost> Wed Feb 26 20:46:14 2014 -0800
tree 9d4e3d12103afb14da5ecea8192e8bde620f1b3f
parent ea976d5930a39929cbf468378442f6ddf134e9b0

hal: Fix for down-mixing of multi-ch offload playback

- Check if multi-ch playback in offload path is active
 before re-configuring the HDMI channels

Change-Id: If3639ffbbbc56083f9d09257ea4fafdc2b204e76
CRs-Fixed: 622339

hal/audio_hw.c

diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 60b38a5..fca3bd4 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -1009,6 +1009,12 @@
                       "no change in HDMI channels", __func__);
                 ret = false;
                 break;
+            } else if (usecase->id == USECASE_AUDIO_PLAYBACK_OFFLOAD &&
+                       popcount(usecase->stream.out->channel_mask) > 2) {
+                ALOGD("%s: multi-channel(%x) compress offload playback is active, "
+                      "no change in HDMI channels", __func__, usecase->stream.out->channel_mask);
+                ret = false;
+                break;
             }
         }
     }