commit 3a40677ae3919d06c1cb1a4c0b7ccc6f8e58902a
author Naresh Tanniru <ntanniru@codeaurora.org> Wed May 10 13:09:05 2017 -0700
committer Satya Krishna Pindiproli <satyak@codeaurora.org> Thu Jun 08 19:28:03 2017 +0530
tree 75a07787f1ad15a87c18991bdf9f85e4dcccb629
parent f632f78a505b3ecfb8b6196b9c2ae9e16dbc2a8d

hal: Limit pass-through sample rate to 192k for TrueHD and EC3

Limit pass-through sample rate to 192k for TrueHD and EC3.
192k is the highest sample rate supported by these formats
and both formats multiply the input sample rate by four
which may exceed the maximum supported.

Change-Id: I7f3516c24fdae18b3fb4cf53aa6e7c4c34eaed18

hal/msm8916/platform.c

diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index cacdd85..39da7e4 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -5449,11 +5449,12 @@
 
         if ((usecase->stream.out->format == AUDIO_FORMAT_E_AC3) ||
             (usecase->stream.out->format == AUDIO_FORMAT_E_AC3_JOC) ||
-            (usecase->stream.out->format == AUDIO_FORMAT_DOLBY_TRUEHD))
-            sample_rate = sample_rate * 4 ;
+            (usecase->stream.out->format == AUDIO_FORMAT_DOLBY_TRUEHD)) {
 
-        if (!edid_is_supported_sr(edid_info, sample_rate))
-                sample_rate = edid_get_highest_supported_sr(edid_info);
+            sample_rate = sample_rate * 4;
+            if (sample_rate > HDMI_PASSTHROUGH_MAX_SAMPLE_RATE)
+                sample_rate = HDMI_PASSTHROUGH_MAX_SAMPLE_RATE;
+        }
 
         bit_width = CODEC_BACKEND_DEFAULT_BIT_WIDTH;
         /* We force route so that the BE format can be set to Compr */