hal: native audio backward compatibility
- all changes for native audio backward
compatibility and related
- add set parameters from UI
- enable dynamic device switching
- featurize the code
- various backend concurrency changes
Change-Id: Id0f824c4b4c033f42008a4e8868652c8f6fe5c42
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 266dbd9..09ad409 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -582,6 +582,8 @@
struct audio_usecase *usecase;
bool switch_device[AUDIO_USECASE_MAX];
int i, num_uc_to_switch = 0;
+ int backend_idx = DEFAULT_CODEC_BACKEND;
+ int usecase_backend_idx = DEFAULT_CODEC_BACKEND;
/*
* This function is to make sure that all the usecases that are active on
@@ -598,39 +600,38 @@
* If there is a backend configuration change for the device when a
* new stream starts, then ADM needs to be closed and re-opened with the new
* configuraion. This call check if we need to re-route all the streams
- * associated with the backend. Touch tone + 24 bit playback.
+ * associated with the backend. Touch tone + 24 bit + native playback.
*/
- bool force_routing = platform_check_and_set_codec_backend_cfg(adev, uc_info);
-
+ bool force_routing = platform_check_and_set_codec_backend_cfg(adev, uc_info,
+ snd_device);
+ backend_idx = platform_get_backend_index(snd_device);
/* Disable all the usecases on the shared backend other than the
* specified usecase.
- * For native(44.1k) usecases, we don't need this as it uses a different
- * backend, but we need to make sure that we reconfigure the backend
- * if there is bit_width change, this should not affect shared backend
- * usecases.
*/
for (i = 0; i < AUDIO_USECASE_MAX; i++)
switch_device[i] = false;
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
+
+ if (usecase == uc_info)
+ continue;
+ usecase_backend_idx = platform_get_backend_index(usecase->out_snd_device);
+ ALOGV("%s: backend_idx: %d,"
+ "usecase_backend_idx: %d, curr device: %s, usecase device:"
+ "%s", __func__, backend_idx, usecase_backend_idx, platform_get_snd_device_name(snd_device),
+ platform_get_snd_device_name(usecase->out_snd_device));
+
if (usecase->type != PCM_CAPTURE &&
- usecase != uc_info &&
(usecase->out_snd_device != snd_device || force_routing) &&
- usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND
- && usecase->stream.out->sample_rate != OUTPUT_SAMPLING_RATE_44100) {
- ALOGV("%s: Usecase (%s) is active on (%s) - disabling ..",
- __func__, use_case_table[usecase->id],
+ usecase->devices & AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND &&
+ usecase_backend_idx == backend_idx) {
+ ALOGV("%s: Usecase (%s) is active on (%s) - disabling ..", __func__,
+ use_case_table[usecase->id],
platform_get_snd_device_name(usecase->out_snd_device));
disable_audio_route(adev, usecase);
switch_device[usecase->id] = true;
num_uc_to_switch++;
- } else if (usecase->type == PCM_PLAYBACK &&
- usecase->stream.out->sample_rate ==
- OUTPUT_SAMPLING_RATE_44100 && force_routing){
- disable_audio_route(adev, usecase);
- switch_device[usecase->id] = true;
- num_uc_to_switch++;
}
}