chiron: Switch to OSS libnotifyaudiohal

Change-Id: Id392223e539716522d1c54efecae38ef72e38a1d

device.mk

@@ -331,7 +331,8 @@ PRODUCT_COPY_FILES += \
 # Sensors
 PRODUCT_PACKAGES += \
     [email protected]:64 \
-    [email protected]
+    [email protected] \
+    libnotifyaudiohal:64
 
 # Sdcard support
 PRODUCT_CHARACTERISTICS := nosdcard

sepolicy/vendor/hal_sensors_default.te

@@ -1,5 +1,3 @@
-allow hal_sensors_default audioserver_service:service_manager find;
-allow hal_sensors_default audioserver:binder { call transfer };
 allow hal_sensors_default sound_device:chr_file { ioctl read open };
-binder_use(hal_sensors_default)
+hal_client_domain(hal_sensors_default, hal_audio)
 set_prop(hal_sensors_default, vendor_sensors_prop);

sepolicy/vendor/system_server.te

@@ -1,3 +1,2 @@
 allow system_server fingerprint_sysfs:file rw_file_perms;
-allow system_server sound_device:chr_file rw_file_perms;
 get_prop(system_server, vendor_fp_prop)

ultrasound/Android.bp

@@ -0,0 +1,13 @@
+cc_library_shared {
+    name: "libnotifyaudiohal",
+    srcs: [
+        "libnotifyaudiohal.cpp",
+    ],
+    shared_libs: [
+        "[email protected]",
+        "libhidlbase",
+        "liblog",
+        "libutils",
+    ],
+    vendor: true,
+}

ultrasound/libnotifyaudiohal.cpp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2023 The LineageOS Project
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#define LOG_TAG "libnotifyaudiohal"
+
+#include <android/hardware/audio/6.0/IDevicesFactory.h>
+#include <log/log.h>
+#include <string.h>
+
+using android::sp;
+using android::hardware::audio::V6_0::IDevicesFactory;
+using android::hardware::audio::V6_0::IPrimaryDevice;
+using android::hardware::audio::V6_0::Result;
+
+void ultrasound_enable(int enable) {
+    ALOGD("ultrasound_enable: %d", enable);
+    auto factory = IDevicesFactory::getService();
+    factory->openPrimaryDevice([&](Result retval, const sp<IPrimaryDevice>& result) {
+        if (retval == Result::OK) {
+            result->setParameters({} /* context */,
+                                  {
+                                          {"ultrasound-sensor", std::to_string(enable)},
+                                  });
+        }
+    });
+}
+
+extern "C" void elliptic_notify_audio_hal(char* param) {
+    ALOGD("elliptic_notify_audio_hal: %s", param);
+    if (!strcmp(param, "ultrasound_enable=1")) {
+        ultrasound_enable(1);
+    } else if (!strcmp(param, "ultrasound_enable=0")) {
+        ultrasound_enable(0);
+    }
+}
+
+extern "C" void elliptic_ultrasound_supported() {
+    return;
+}