audio: new audio devices enums

Changed audio device API version to 2.0 because of
new enums for audio input and output devices.

Removed implementations of get_supported_devices() in
stub and usb audio modules.

Change-Id: I09345d38929d931e5015e36d18259f5a5f950298

3 files changed, 10 insertions, 33 deletions

diff --git a/include/hardware/audio.h b/include/hardware/audio.h
index 4fd73a2..3a0962e 100644
--- a/include/hardware/audio.h
+++ b/include/hardware/audio.h
@@ -53,7 +53,8 @@ __BEGIN_DECLS
  */
 #define AUDIO_DEVICE_API_VERSION_0_0 HARDWARE_DEVICE_API_VERSION(0, 0)
 #define AUDIO_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0)
-#define AUDIO_DEVICE_API_VERSION_CURRENT AUDIO_DEVICE_API_VERSION_1_0
+#define AUDIO_DEVICE_API_VERSION_2_0 HARDWARE_DEVICE_API_VERSION(2, 0)
+#define AUDIO_DEVICE_API_VERSION_CURRENT AUDIO_DEVICE_API_VERSION_2_0
 
 /**
  * List of known audio HAL modules. This is the base name of the audio HAL
@@ -329,6 +330,12 @@ struct audio_hw_device {
      * each audio_hw_device implementation.
      *
      * Return value is a bitmask of 1 or more values of audio_devices_t
+     *
+     * NOTE: audio HAL implementations starting with
+     * AUDIO_DEVICE_API_VERSION_2_0 do not implement this function.
+     * All supported devices should be listed in audio_policy.conf
+     * file and the audio policy manager must choose the appropriate
+     * audio module based on information in this file.
      */
     uint32_t (*get_supported_devices)(const struct audio_hw_device *dev);
 
diff --git a/modules/audio/audio_hw.c b/modules/audio/audio_hw.c
index e4fb711..3051519 100644
--- a/modules/audio/audio_hw.c
+++ b/modules/audio/audio_hw.c
@@ -379,29 +379,6 @@ static int adev_close(hw_device_t *device)
     return 0;
 }
 
-static uint32_t adev_get_supported_devices(const struct audio_hw_device *dev)
-{
-    return (/* OUT */
-            AUDIO_DEVICE_OUT_EARPIECE |
-            AUDIO_DEVICE_OUT_SPEAKER |
-            AUDIO_DEVICE_OUT_WIRED_HEADSET |
-            AUDIO_DEVICE_OUT_WIRED_HEADPHONE |
-            AUDIO_DEVICE_OUT_AUX_DIGITAL |
-            AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET |
-            AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET |
-            AUDIO_DEVICE_OUT_ALL_SCO |
-            AUDIO_DEVICE_OUT_DEFAULT |
-            /* IN */
-            AUDIO_DEVICE_IN_COMMUNICATION |
-            AUDIO_DEVICE_IN_AMBIENT |
-            AUDIO_DEVICE_IN_BUILTIN_MIC |
-            AUDIO_DEVICE_IN_WIRED_HEADSET |
-            AUDIO_DEVICE_IN_AUX_DIGITAL |
-            AUDIO_DEVICE_IN_BACK_MIC |
-            AUDIO_DEVICE_IN_ALL_SCO |
-            AUDIO_DEVICE_IN_DEFAULT);
-}
-
 static int adev_open(const hw_module_t* module, const char* name,
                      hw_device_t** device)
 {
@@ -416,11 +393,10 @@ static int adev_open(const hw_module_t* module, const char* name,
         return -ENOMEM;
 
     adev->device.common.tag = HARDWARE_DEVICE_TAG;
-    adev->device.common.version = AUDIO_DEVICE_API_VERSION_1_0;
+    adev->device.common.version = AUDIO_DEVICE_API_VERSION_2_0;
     adev->device.common.module = (struct hw_module_t *) module;
     adev->device.common.close = adev_close;
 
-    adev->device.get_supported_devices = adev_get_supported_devices;
     adev->device.init_check = adev_init_check;
     adev->device.set_voice_volume = adev_set_voice_volume;
     adev->device.set_master_volume = adev_set_master_volume;
diff --git a/modules/usbaudio/audio_hw.c b/modules/usbaudio/audio_hw.c
index 9283016..f33c343 100644
--- a/modules/usbaudio/audio_hw.c
+++ b/modules/usbaudio/audio_hw.c
@@ -379,11 +379,6 @@ static int adev_close(hw_device_t *device)
     return 0;
 }
 
-static uint32_t adev_get_supported_devices(const struct audio_hw_device *dev)
-{
-    return AUDIO_DEVICE_OUT_ALL_USB;
-}
-
 static int adev_open(const hw_module_t* module, const char* name,
                      hw_device_t** device)
 {
@@ -398,11 +393,10 @@ static int adev_open(const hw_module_t* module, const char* name,
         return -ENOMEM;
 
     adev->hw_device.common.tag = HARDWARE_DEVICE_TAG;
-    adev->hw_device.common.version = AUDIO_DEVICE_API_VERSION_1_0;
+    adev->hw_device.common.version = AUDIO_DEVICE_API_VERSION_2_0;
     adev->hw_device.common.module = (struct hw_module_t *) module;
     adev->hw_device.common.close = adev_close;
 
-    adev->hw_device.get_supported_devices = adev_get_supported_devices;
     adev->hw_device.init_check = adev_init_check;
     adev->hw_device.set_voice_volume = adev_set_voice_volume;
     adev->hw_device.set_master_volume = adev_set_master_volume;