Merge remote-tracking branch 'quic/LA.BR.1' into HEAD

* quic/LA.BR.1: (37 commits)
  hal: Performance mode during recording usecase
  audio: Support for compress offload recovery
  audio: Fix for clip skip issue during SSR
  hal: add checks for calibration buffer allocation failures
  mm-audio: aenc-aac: fix integer overflow for encoded buffer timestamp calculation
  hal: Add support for 8909 QRD skue
  hal: Fix for FM mute issue on start of FM record
  hal: Fix array length computation for backend id array.
  hal : set Non SA+ app type for PCM Capture
  hal : Fix for SA+ app type selection for PCM Capture usecase
  hal : Fix for SA+ app type selection for PCM Capture usecase
  hal: use 0 as default return value for out_get_render_position
  audio: hal: Add support for pm8916 on msm8909
  hal: Define a new combo device for AANC and Fluence
  hal: Define a new combo device for AANC and Fluence
  hal: use 0 as default return value for out_get_render_position
  hal: Update DS2 implementation to support ACDB based license mechanism
  hal : Overwrite the APP type for PCM RX and TX path
  audio: HAL to support for peripheral manager
  hal : Set the input device for VOIP calls using audio path
  ...
Conflicts:
	hal/Android.mk
	hal/audio_extn/audio_extn.c
	hal/audio_extn/audio_extn.h
	hal/audio_extn/dolby.c
	hal/audio_extn/utils.c
	hal/audio_hw.c
	hal/msm8916/hw_info.c
	hal/msm8916/platform.c
	hal/msm8974/platform.c
	hal/platform_api.h
Change-Id: Ibfa171e8f3af713dbb2cffbaf2ca2b0df3e8ae73
diff --git a/hal/audio_extn/pm.c b/hal/audio_extn/pm.c
new file mode 100644
index 0000000..7b76f60
--- /dev/null
+++ b/hal/audio_extn/pm.c
@@ -0,0 +1,149 @@
+/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#define LOG_TAG "audio_hw_pm"
+/*#define LOG_NDEBUG 0*/
+
+#include "pm.h"
+#include <cutils/log.h>
+
+static s_audio_subsys audio_ss;
+
+int audio_extn_pm_vote(void)
+{
+    int err, intfd, ret;
+    FILE *fd;
+    enum pm_event subsys_state;
+    char halPropVal[PROPERTY_VALUE_MAX];
+    bool prop_unload_image = false;
+    bool pm_reg = false;
+    bool pm_supp = false;
+
+    platform_get_subsys_image_name((char *)&audio_ss.img_name);
+    ALOGD("%s: register with peripheral manager for %s",__func__, audio_ss.img_name);
+    ret = pm_client_register(audio_extn_pm_event_notifier,
+                      &audio_ss,
+                      audio_ss.img_name,
+                      PM_CLIENT_NAME,
+                      &subsys_state,
+                      &audio_ss.pm_handle);
+    if (ret == PM_RET_SUCCESS) {
+        pm_reg = true;
+        pm_supp = true;
+        ALOGV("%s: registered with peripheral manager for %s",
+                  __func__, audio_ss.img_name);
+    } else if (ret == PM_RET_UNSUPPORTED) {
+        pm_reg = true;
+        pm_supp = false;
+        ALOGV("%s: peripheral mgr unsupported for %s",
+              __func__, audio_ss.img_name);
+        return ret;
+    } else {
+       return ret;
+    }
+    if (pm_supp == true &&
+       pm_reg == true) {
+       ALOGD("%s: Voting for subsystem power up", __func__);
+       pm_client_connect(audio_ss.pm_handle);
+
+       if (property_get("sys.audio.init", halPropVal, NULL)) {
+           prop_unload_image = !(strncmp("false", halPropVal, sizeof("false")));
+       }
+       /*
+        * adsp-loader loads modem/adsp image at boot up to play boot tone,
+        * before peripheral manager service is up. Once PM is up, vote to PM
+        * and unload the image to give control to PM to load/unload image
+        */
+       if (prop_unload_image) {
+           intfd = open(BOOT_IMG_SYSFS_PATH, O_WRONLY);
+           if (intfd == -1) {
+               ALOGE("failed to open fd in write mode, %d", errno);
+           } else {
+               ALOGD("%s: write to sysfs to unload image", __func__);
+               err = write(intfd, UNLOAD_IMAGE, 1);
+               close(intfd);
+               property_set("sys.audio.init", "true");
+          }
+       }
+    }
+    return 0;
+}
+
+void audio_extn_pm_unvote(void)
+{
+    ALOGD("%s", __func__);
+    if (audio_ss.pm_handle) {
+        pm_client_disconnect(audio_ss.pm_handle);
+        pm_client_unregister(audio_ss.pm_handle);
+    }
+}
+
+void audio_extn_pm_set_parameters(struct str_parms *parms)
+{
+    int ret;
+    char value[32];
+
+    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_DEV_SHUTDOWN, value, sizeof(value));
+    if (ret >= 0) {
+        if (strstr(value, "true")) {
+            ALOGD("Device shutdown notification received, unregister with PM");
+            audio_extn_pm_unvote();
+        }
+    }
+}
+
+void audio_extn_pm_event_notifier(void *client_data, enum pm_event event)
+{
+    pm_client_event_acknowledge(audio_ss.pm_handle, event);
+
+    /* Closing and re-opening of session is done based on snd card status given
+     * by AudioDaemon during SS offline/online (legacy code). Just return for now.
+     */
+    switch (event) {
+    case EVENT_PERIPH_GOING_OFFLINE:
+        ALOGV("%s: %s is going offline", __func__, audio_ss.img_name);
+    break;
+
+    case EVENT_PERIPH_IS_OFFLINE:
+        ALOGV("%s: %s is offline", __func__, audio_ss.img_name);
+    break;
+
+    case EVENT_PERIPH_GOING_ONLINE:
+        ALOGV("%s: %s is going online", __func__, audio_ss.img_name);
+    break;
+
+    case EVENT_PERIPH_IS_ONLINE:
+        ALOGV("%s: %s is online", __func__, audio_ss.img_name);
+    break;
+
+    default:
+        ALOGV("%s: invalid event received from PM", __func__);
+    break;
+    }
+}