commit 1aaaf86b8074c3b5b37869aae31dce83c2d0f53e
author Ben Romberger <bromberg@codeaurora.org> Thu Apr 06 17:49:46 2017 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Fri May 26 06:32:49 2017 -0700
tree bb79a38112f8578d1c9797f996ff6c5b887bfef6
parent 28718c54549dae5d1ae4a02592ae9dc27c6b547f

hal: Add support for TrueHD HDMI pass-through

Add TrueHD format for apq8098 compress pass-through.

Change-Id: Ica0e11aee535c6f7e21c26ab391e5e7bb71c6b02

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 1d32409..8f7e125 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -5175,12 +5175,20 @@
             channels = max_supported_channels;
 
     } else {
-        /*During pass through set default bit width and channels*/
-        channels = DEFAULT_HDMI_OUT_CHANNELS;
+        /*During pass through set default bit width */
+        if (usecase->stream.out->format == AUDIO_FORMAT_DOLBY_TRUEHD)
+            channels = 8;
+        else
+            channels = DEFAULT_HDMI_OUT_CHANNELS;
+
         if ((usecase->stream.out->format == AUDIO_FORMAT_E_AC3) ||
-            (usecase->stream.out->format == AUDIO_FORMAT_E_AC3_JOC))
+            (usecase->stream.out->format == AUDIO_FORMAT_E_AC3_JOC) ||
+            (usecase->stream.out->format == AUDIO_FORMAT_DOLBY_TRUEHD))
             sample_rate = sample_rate * 4 ;
 
+        if (!edid_is_supported_sr(edid_info, sample_rate))
+                sample_rate = edid_get_highest_supported_sr(edid_info);
+
         bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
         /* We force route so that the BE format can be set to Compr */
     }
@@ -5970,6 +5978,10 @@
         ALOGV("%s:E_AC3", __func__);
         format = DOLBY_DIGITAL_PLUS;
         break;
+    case AUDIO_FORMAT_DOLBY_TRUEHD:
+        ALOGV("%s:MAT", __func__);
+        format = MAT;
+        break;
     case AUDIO_FORMAT_DTS:
         ALOGV("%s:DTS", __func__);
         format = DTS;