commit 84757f37228aea0b0a1582910c0bb276c768c230
author Bhalchandra Gajare <gajare@codeaurora.org> Mon Jun 11 18:18:30 2018 -0700
committer Andrew Rossignol <aarossig@google.com> Thu Jun 14 10:41:35 2018 -0700
tree de1379150a9065b104f7b3fc0e877145e6a10872
parent 9baad39099c53d433332f80b75f53da19d4c1fb4

hal: poll for SLPI subsystem status

Add support to poll for SLPI(Sensor Low Power Island) subsystem
offline and online status events and pass to sound trigger hal.

Bug: 109833647
Test: stream audio, restart SLPI, audio continues to stream
Change-Id: I667a050aca7d8547e4f42776fae5185b2861a77f

hal/audio_extn/soundtrigger.c

diff --git a/hal/audio_extn/soundtrigger.c b/hal/audio_extn/soundtrigger.c
index c11e747..3584d9b 100644
--- a/hal/audio_extn/soundtrigger.c
+++ b/hal/audio_extn/soundtrigger.c
@@ -78,7 +78,9 @@
     SND_CARD_STATUS_OFFLINE,
     SND_CARD_STATUS_ONLINE,
     CPE_STATUS_OFFLINE,
-    CPE_STATUS_ONLINE
+    CPE_STATUS_ONLINE,
+    SLPI_STATUS_OFFLINE,
+    SLPI_STATUS_ONLINE,
 } ssr_event_status_t;
 
 struct sound_trigger_session_info {
@@ -484,6 +486,19 @@
         event.u.value = val;
         st_dev->st_callback(AUDIO_EVENT_NUM_ST_SESSIONS, &event);
     }
+
+    ret = str_parms_get_str(params, "SLPI_STATUS", value, sizeof(value));
+    if (ret > 0) {
+        if (strstr(value, "OFFLINE")) {
+            event.u.status = SLPI_STATUS_OFFLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        } else if (strstr(value, "ONLINE")) {
+            event.u.status = SLPI_STATUS_ONLINE;
+            st_dev->st_callback(AUDIO_EVENT_SSR, &event);
+        } else {
+            ALOGE("%s: unknown SLPI status", __func__);
+        }
+    }
 }
 
 int audio_extn_sound_trigger_init(struct audio_device *adev)