hal: use compr config only for offload usecases

Add check before using compr config codec structure
which is set only for offload usecases.

Change-Id: Ia74e5a20011a0d0c57dbdd97a32d5344c1c283fa
diff --git a/hal/audio_extn/passthru.c b/hal/audio_extn/passthru.c
index f90fedf..25a18f9 100644
--- a/hal/audio_extn/passthru.c
+++ b/hal/audio_extn/passthru.c
@@ -250,15 +250,19 @@
      *stream has PCM format or
      *if a compress offload (DSP decode) session
      */
+
+    if(out->compr_config.codec != NULL) {
 #ifdef AUDIO_GKI_ENABLED
-    /* out->compr_config.codec->reserved[0] is for compr_passthr */
-    compr_passthr = out->compr_config.codec->reserved[0];
+        /* out->compr_config.codec->reserved[0] is for compr_passthr */
+        compr_passthr = out->compr_config.codec->reserved[0];
 #else
-    compr_passthr = out->compr_config.codec->compr_passthr;
+        compr_passthr = out->compr_config.codec->compr_passthr;
 #endif
+    }
+
     if (compare_device_type(&out->device_list, AUDIO_DEVICE_OUT_AUX_DIGITAL) &&
         (((out->format & AUDIO_FORMAT_MAIN_MASK) == AUDIO_FORMAT_PCM) ||
-        ((out->compr_config.codec != NULL) && (compr_passthr == LEGACY_PCM)))) {
+        (compr_passthr == LEGACY_PCM))) {
         if (android_atomic_acquire_load(&compress_passthru_active) > 0) {
             ALOGI("drop data as pass thru is active");
             return true;
@@ -484,14 +488,14 @@
             ALOGV("%s:NO PASSTHROUGH", __func__);
             compr_passthr = LEGACY_PCM;
        }
+#ifdef AUDIO_GKI_ENABLED
+        /* out->compr_config.codec->reserved[0] is for compr_passthr */
+        out->compr_config.codec->reserved[0] = compr_passthr;
+#else
+        out->compr_config.codec->compr_passthr = compr_passthr;
+#endif
     }
 
-#ifdef AUDIO_GKI_ENABLED
-    /* out->compr_config.codec->reserved[0] is for compr_passthr */
-    out->compr_config.codec->reserved[0] = compr_passthr;
-#else
-    out->compr_config.codec->compr_passthr = compr_passthr;
-#endif
 }
 
 bool passthru_is_passthrough_stream(struct stream_out *out)