Revert "Adding getModelState API to sound trigger"

This reverts commit ce0c253ae7be831ff2160094e7316c3e948e74e4.

Reason for revert: fix build breakage

Change-Id: I2a29aff8a33336e3a514ae681d7887cf3fe2d2c2
diff --git a/include/hardware/sound_trigger.h b/include/hardware/sound_trigger.h
index 696b634..d7828ac 100644
--- a/include/hardware/sound_trigger.h
+++ b/include/hardware/sound_trigger.h
@@ -40,8 +40,7 @@
 
 #define SOUND_TRIGGER_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0)
 #define SOUND_TRIGGER_DEVICE_API_VERSION_1_1 HARDWARE_DEVICE_API_VERSION(1, 1)
-#define SOUND_TRIGGER_DEVICE_API_VERSION_1_2 HARDWARE_DEVICE_API_VERSION(1, 2)
-#define SOUND_TRIGGER_DEVICE_API_VERSION_CURRENT SOUND_TRIGGER_DEVICE_API_VERSION_1_2
+#define SOUND_TRIGGER_DEVICE_API_VERSION_CURRENT SOUND_TRIGGER_DEVICE_API_VERSION_1_1
 
 /**
  * List of known sound trigger HAL modules. This is the base name of the sound_trigger HAL
@@ -115,15 +114,6 @@
      * If no implementation is provided, stop_recognition will be called for each running model.
      */
     int (*stop_all_recognitions)(const struct sound_trigger_hw_device* dev);
-
-    /* Get the current state of a given model.
-     * The state is returned as a recognition event, or null if not implemented or on error.
-     * Caller takes ownership of the returned event memory.
-     * Only supported for device api versions SOUND_TRIGGER_DEVICE_API_VERSION_1_2 or above.
-     */
-    struct sound_trigger_recognition_event* (*get_model_state)(
-        const struct sound_trigger_hw_device *dev,
-        sound_model_handle_t sound_model_handle);
 };
 
 typedef struct sound_trigger_hw_device sound_trigger_hw_device_t;
diff --git a/modules/soundtrigger/sound_trigger_hw.c b/modules/soundtrigger/sound_trigger_hw.c
index 25d4813..0089f98 100644
--- a/modules/soundtrigger/sound_trigger_hw.c
+++ b/modules/soundtrigger/sound_trigger_hw.c
@@ -811,39 +811,6 @@
     return 0;
 }
 
-// Caller is responsible for freeing the memory
-static struct sound_trigger_recognition_event * stdev_get_model_state(
-            const struct sound_trigger_hw_device *dev,
-            sound_model_handle_t handle) {
-    struct stub_sound_trigger_device *stdev = (struct stub_sound_trigger_device *)dev;
-    ALOGI("%s", __func__);
-    pthread_mutex_lock(&stdev->lock);
-
-    struct recognition_context *model_context = get_model_context(stdev, handle);
-    if (!model_context) {
-        ALOGW("Can't find sound model handle %d in registered list", handle);
-        pthread_mutex_unlock(&stdev->lock);
-        return NULL;
-    }
-
-    struct sound_trigger_recognition_event *event = NULL;
-    if (model_context->model_type == SOUND_MODEL_TYPE_GENERIC) {
-      // TODO(mdooley): define a new status for this use case?
-      int status = RECOGNITION_STATUS_SUCCESS;
-      event = (struct sound_trigger_recognition_event *)
-              sound_trigger_generic_event_alloc(model_context->model_handle,
-                                                model_context->config, status);
-    } else {
-      ALOGI("Unsupported sound model type: %d, state not available.",
-            model_context->model_type);
-    }
-
-    pthread_mutex_unlock(&stdev->lock);
-    ALOGI("%s done for handle %d", __func__, handle);
-
-    return event;
-}
-
 __attribute__ ((visibility ("default")))
 int sound_trigger_open_for_streaming() {
     int ret = 0;
@@ -896,7 +863,6 @@
     stdev->device.start_recognition = stdev_start_recognition;
     stdev->device.stop_recognition = stdev_stop_recognition;
     stdev->device.stop_all_recognitions = stdev_stop_all_recognitions;
-    stdev->device.get_model_state = stdev_get_model_state;
 
     pthread_mutex_init(&stdev->lock, (const pthread_mutexattr_t *) NULL);
 
@@ -924,3 +890,4 @@
         .methods = &hal_module_methods,
     },
 };
+