Merge "post_proc: explicitly disable virtualizer module if strength is 0"
diff --git a/hal/audio_extn/spkr_protection.c b/hal/audio_extn/spkr_protection.c
index e5201cc..391a501 100644
--- a/hal/audio_extn/spkr_protection.c
+++ b/hal/audio_extn/spkr_protection.c
@@ -214,7 +214,7 @@
             snprintf(name, MAX_PATH, TZ_TYPE, tzn);
             ALOGD("Opening %s\n", name);
             read_line_from_file(name, buf, sizeof(buf));
-            buf[strlen(sensor_name)] = '\0';
+            buf[strlen(buf)] = '\0';
             if (!strcmp(buf, sensor_name)) {
                 found = 1;
                 break;
diff --git a/post_proc/reverb.c b/post_proc/reverb.c
index b256e53..450ce81 100644
--- a/post_proc/reverb.c
+++ b/post_proc/reverb.c
@@ -281,17 +281,19 @@
     context->next_preset = preset;
     offload_reverb_set_preset(&(context->offload_reverb), preset);
 
-    enable = (preset == REVERB_PRESET_NONE) ? false: true;
-    offload_reverb_set_enable_flag(&(context->offload_reverb), enable);
+    if (context->enabled_by_client) {
+        enable = (preset == REVERB_PRESET_NONE) ? false: true;
+        offload_reverb_set_enable_flag(&(context->offload_reverb), enable);
 
-    if (context->ctl)
-        offload_reverb_send_params(context->ctl, &context->offload_reverb,
+        if (context->ctl)
+            offload_reverb_send_params(context->ctl, &context->offload_reverb,
                                    OFFLOAD_SEND_REVERB_ENABLE_FLAG |
                                    OFFLOAD_SEND_REVERB_PRESET);
-    if (context->hw_acc_fd > 0)
-        hw_acc_reverb_send_params(context->hw_acc_fd, &context->offload_reverb,
+        if (context->hw_acc_fd > 0)
+            hw_acc_reverb_send_params(context->hw_acc_fd, &context->offload_reverb,
                                   OFFLOAD_SEND_REVERB_ENABLE_FLAG |
                                   OFFLOAD_SEND_REVERB_PRESET);
+    }
 }
 
 void reverb_set_all_properties(reverb_context_t *context,
@@ -600,6 +602,7 @@
     set_config(context, &context->config);
 
     reverb_ctxt->hw_acc_fd = -1;
+    reverb_ctxt->enabled_by_client = false;
     memset(&(reverb_ctxt->reverb_settings), 0, sizeof(reverb_settings_t));
     memset(&(reverb_ctxt->offload_reverb), 0, sizeof(struct reverb_params));
 
@@ -615,6 +618,16 @@
     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
 
     ALOGV("%s: ctxt %p", __func__, reverb_ctxt);
+    reverb_ctxt->enabled_by_client = true;
+
+    /* REVERB_PRESET_NONE is equivalent to disabled state,
+     * But support for this state is not provided in DSP.
+     * Hence, do not set enable flag, if in peset mode with preset "NONE".
+     * Effect would be enabled when valid preset is set.
+     */
+    if ((reverb_ctxt->preset == true) &&
+        (reverb_ctxt->next_preset == REVERB_PRESET_NONE))
+        return 0;
 
     if (!offload_reverb_get_enable_flag(&(reverb_ctxt->offload_reverb)))
         offload_reverb_set_enable_flag(&(reverb_ctxt->offload_reverb), true);
@@ -626,6 +639,7 @@
     reverb_context_t *reverb_ctxt = (reverb_context_t *)context;
 
     ALOGV("%s: ctxt %p", __func__, reverb_ctxt);
+    reverb_ctxt->enabled_by_client = false;
     if (offload_reverb_get_enable_flag(&(reverb_ctxt->offload_reverb))) {
         offload_reverb_set_enable_flag(&(reverb_ctxt->offload_reverb), false);
         if (reverb_ctxt->ctl)
diff --git a/post_proc/reverb.h b/post_proc/reverb.h
index 991151e..1a5ca0d 100644
--- a/post_proc/reverb.h
+++ b/post_proc/reverb.h
@@ -48,6 +48,7 @@
     // Offload vars
     struct mixer_ctl *ctl;
     int hw_acc_fd;
+    bool enabled_by_client;
     bool auxiliary;
     bool preset;
     uint16_t cur_preset;