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qcom/audio/hal: Fix audio routing to wired headset 

- Start music playback and plug in headset within 3sec. The
  audio is heard on both headset and speaker whereas it is
  expected to play on headset.
- Fix the output device updation and selection logic to resolve
  the issue.

Bug: 8239898

Change-Id: I476c9ede241e319c90cb960dd302384f41a6b52c
This commit is contained in:
Ravi Kumar Alamanda 2013-02-28 20:54:57 -08:00 committed by Eric Laurent
parent 3b1816cd59
commit 096c87f83c
2 changed files with 102 additions and 69 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

162
hal/audio_hw.c
View File

@ -210,44 +210,66 @@ static int get_acdb_device_id(snd_device_t snd_device)
}
static void add_backend_name(char *mixer_path,
snd_device_t snd_device)
struct audio_usecase *usecase)
{
if (snd_device == SND_DEVICE_OUT_HDMI ||
snd_device == SND_DEVICE_IN_HDMI_MIC)
strcat(mixer_path, " hdmi");
else if(snd_device == SND_DEVICE_OUT_BT_SCO ||
snd_device == SND_DEVICE_IN_BT_SCO_MIC)
strcat(mixer_path, " bt-sco");
else if (snd_device == SND_DEVICE_OUT_SPEAKER_AND_HDMI)
strcat(mixer_path, " speaker-and-hdmi");
audio_devices_t in_device;
if (usecase->devices & AUDIO_DEVICE_BIT_IN) {
in_device = usecase->devices & ~AUDIO_DEVICE_BIT_IN;
if (in_device & AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) {
strcat(mixer_path, " bt-sco");
}
} else {
if (usecase->devices & AUDIO_DEVICE_OUT_ALL_SCO) {
strcat(mixer_path, " bt-sco");
} else if ((usecase->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) &&
(usecase->devices & AUDIO_DEVICE_OUT_SPEAKER)) {
strcat(mixer_path, " speaker-and-hdmi");
} else if (usecase->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {
strcat(mixer_path, " hdmi");
}
}
}
static int enable_audio_route(struct audio_route *ar,
audio_usecase_t usecase,
snd_device_t snd_device)
struct audio_usecase *usecase)
{
ALOGV("%s: enter: usecase(%d) snd_device(%d)",
__func__, usecase, snd_device);
char mixer_path[50];
strcpy(mixer_path, use_case_table[usecase]);
add_backend_name(mixer_path, snd_device);
if (usecase == NULL)
return -EINVAL;
ALOGV("%s: enter: usecase(%d)", __func__, usecase->id);
/* Get the updated devices from associated stream */
if (usecase->type == PCM_CAPTURE)
usecase->devices = usecase->stream.in->device;
else
usecase->devices = usecase->stream.out->devices;
strcpy(mixer_path, use_case_table[usecase->id]);
add_backend_name(mixer_path, usecase);
ALOGD("%s: apply mixer path: %s", __func__, mixer_path);
audio_route_apply_path(ar, mixer_path);
ALOGV("%s: exit", __func__);
return 0;
}
static int disable_audio_route(struct audio_route *ar,
audio_usecase_t usecase,
snd_device_t snd_device)
struct audio_usecase *usecase)
{
ALOGV("%s: enter: usecase(%d) snd_device(%d)",
__func__, usecase, snd_device);
char mixer_path[50];
strcpy(mixer_path, use_case_table[usecase]);
add_backend_name(mixer_path, snd_device);
if (usecase == NULL)
return -EINVAL;
ALOGV("%s: enter: usecase(%d)", __func__, usecase->id);
strcpy(mixer_path, use_case_table[usecase->id]);
add_backend_name(mixer_path, usecase);
ALOGD("%s: reset mixer path: %s", __func__, mixer_path);
audio_route_reset_path(ar, mixer_path);
ALOGV("%s: exit", __func__);
return 0;
}
@ -646,10 +668,8 @@ static int select_devices(struct audio_device *adev)
&& adev->out_snd_device_active) {
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
if (usecase->type == PCM_PLAYBACK || usecase->type == VOICE_CALL) {
disable_audio_route(adev->audio_route, usecase->id,
adev->cur_out_snd_device);
}
if (usecase->type == PCM_PLAYBACK || usecase->type == VOICE_CALL)
disable_audio_route(adev->audio_route, usecase);
}
audio_route_update_mixer(adev->audio_route);
/* Disable current rx device */
@ -661,10 +681,8 @@ static int select_devices(struct audio_device *adev)
&& adev->in_snd_device_active) {
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
if (usecase->type == PCM_CAPTURE) {
disable_audio_route(adev->audio_route, usecase->id,
adev->cur_in_snd_device);
}
if (usecase->type == PCM_CAPTURE)
disable_audio_route(adev->audio_route, usecase);
}
audio_route_update_mixer(adev->audio_route);
/* Disable current tx device */
@ -700,14 +718,7 @@ static int select_devices(struct audio_device *adev)
if (!list_empty(&adev->usecase_list)) {
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
if (usecase->type == PCM_PLAYBACK || usecase->type == VOICE_CALL) {
usecase->devices = adev->out_device; /* TODO: fix device logic */
status = enable_audio_route(adev->audio_route, usecase->id,
adev->cur_out_snd_device);
} else {
status = enable_audio_route(adev->audio_route, usecase->id,
adev->cur_in_snd_device);
}
enable_audio_route(adev->audio_route, usecase);
}
audio_route_update_mixer(adev->audio_route);
}
@ -758,8 +769,9 @@ static audio_devices_t get_active_out_devices(struct audio_device *adev,
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
if (usecase->type == PCM_PLAYBACK && usecase->id != uc_id)
devices |= usecase->devices;
devices |= usecase->stream.out->devices;
}
return devices;
}
@ -768,12 +780,10 @@ static audio_devices_t get_voice_call_out_device(struct audio_device *adev)
struct audio_usecase *usecase;
struct listnode *node;
/* Returns output device of VOICE_CALL usecase */
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
if (usecase->type == VOICE_CALL) {
return usecase->devices;
}
if (usecase->type == VOICE_CALL)
return usecase->stream.out->devices;
}
return AUDIO_DEVICE_NONE;
@ -782,7 +792,6 @@ static audio_devices_t get_voice_call_out_device(struct audio_device *adev)
static int stop_input_stream(struct stream_in *in)
{
int i, ret = 0;
snd_device_t in_snd_device;
struct audio_usecase *uc_info;
struct audio_device *adev = in->dev;
@ -797,15 +806,14 @@ static int stop_input_stream(struct stream_in *in)
}
/* 1. Disable stream specific mixer controls */
in_snd_device = adev->cur_in_snd_device;
disable_audio_route(adev->audio_route, in->usecase, in_snd_device);
disable_audio_route(adev->audio_route, uc_info);
audio_route_update_mixer(adev->audio_route);
list_remove(&uc_info->list);
free(uc_info);
/* 2. Disable the tx device */
select_devices(adev);
ret = select_devices(adev);
ALOGD("%s: exit: status(%d)", __func__, ret);
return ret;
@ -841,6 +849,7 @@ int start_input_stream(struct stream_in *in)
uc_info->id = in->usecase;
uc_info->type = PCM_CAPTURE;
uc_info->devices = in->device;
uc_info->stream.in = in;
/* 1. Enable the TX device */
ret = select_devices(adev);
@ -850,10 +859,9 @@ int start_input_stream(struct stream_in *in)
free(uc_info);
goto error_config;
}
in_snd_device = adev->cur_in_snd_device;
/* 2. Enable the mixer controls for the audio route */
enable_audio_route(adev->audio_route, in->usecase, in_snd_device);
enable_audio_route(adev->audio_route, uc_info);
audio_route_update_mixer(adev->audio_route);
/* 3. Add the usecase info to usecase list */
@ -887,7 +895,6 @@ error_config:
static int stop_output_stream(struct stream_out *out)
{
int i, ret = 0;
snd_device_t out_snd_device;
struct audio_usecase *uc_info;
struct audio_device *adev = out->dev;
@ -900,8 +907,7 @@ static int stop_output_stream(struct stream_out *out)
}
/* 1. Get and set stream specific mixer controls */
out_snd_device = adev->cur_out_snd_device;
disable_audio_route(adev->audio_route, out->usecase, out_snd_device);
disable_audio_route(adev->audio_route, uc_info);
audio_route_update_mixer(adev->audio_route);
list_remove(&uc_info->list);
@ -949,6 +955,7 @@ int start_output_stream(struct stream_out *out)
uc_info->id = out->usecase;
uc_info->type = PCM_PLAYBACK;
uc_info->devices = out->devices;
uc_info->stream.out = out;
ret = select_devices(adev);
if (ret) {
@ -958,8 +965,7 @@ int start_output_stream(struct stream_out *out)
goto error_config;
}
out_snd_device = adev->cur_out_snd_device;
enable_audio_route(adev->audio_route, out->usecase, out_snd_device);
enable_audio_route(adev->audio_route, uc_info);
audio_route_update_mixer(adev->audio_route);
list_add_tail(&adev->usecase_list, &uc_info->list);
@ -988,7 +994,6 @@ error_config:
static int stop_voice_call(struct audio_device *adev)
{
int i, ret = 0;
snd_device_t out_snd_device;
struct audio_usecase *uc_info;
ALOGD("%s: enter", __func__);
@ -1020,10 +1025,9 @@ static int stop_voice_call(struct audio_device *adev)
__func__, USECASE_VOICE_CALL);
return -EINVAL;
}
out_snd_device = adev->cur_out_snd_device;
/* 2. Get and set stream specific mixer controls */
disable_audio_route(adev->audio_route, USECASE_VOICE_CALL, out_snd_device);
disable_audio_route(adev->audio_route, uc_info);
audio_route_update_mixer(adev->audio_route);
list_remove(&uc_info->list);
@ -1039,7 +1043,6 @@ static int stop_voice_call(struct audio_device *adev)
static int start_voice_call(struct audio_device *adev)
{
int i, ret = 0;
snd_device_t out_snd_device;
struct audio_usecase *uc_info;
int pcm_dev_rx_id, pcm_dev_tx_id;
@ -1048,7 +1051,8 @@ static int start_voice_call(struct audio_device *adev)
uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase));
uc_info->id = USECASE_VOICE_CALL;
uc_info->type = VOICE_CALL;
uc_info->devices = adev->out_device;
uc_info->devices = adev->primary_output->devices;
uc_info->stream.out = adev->primary_output;
ret = select_devices(adev);
if (ret) {
@ -1056,8 +1060,7 @@ static int start_voice_call(struct audio_device *adev)
return ret;
}
out_snd_device = adev->cur_out_snd_device;
enable_audio_route(adev->audio_route, uc_info->id, out_snd_device);
enable_audio_route(adev->audio_route, uc_info);
audio_route_update_mixer(adev->audio_route);
list_add_tail(&adev->usecase_list, &uc_info->list);
@ -1235,9 +1238,12 @@ static int out_set_parameters(struct audio_stream *stream, const char *kvpairs)
{
struct stream_out *out = (struct stream_out *)stream;
struct audio_device *adev = out->dev;
struct audio_usecase *usecase;
struct listnode *node;
struct str_parms *parms;
char value[32];
int ret, val = 0;
bool select_new_device = false;
ALOGD("%s: enter: usecase(%d) kvpairs: %s",
__func__, out->usecase, kvpairs);
@ -1248,22 +1254,34 @@ static int out_set_parameters(struct audio_stream *stream, const char *kvpairs)
pthread_mutex_lock(&out->lock);
pthread_mutex_lock(&adev->lock);
if (adev->mode == AUDIO_MODE_IN_CALL && !adev->in_call && (val != 0)) {
adev->out_device = get_active_out_devices(adev, out->usecase) | val;
if (val != 0) {
/* ToDo: Fix device updation logic */
list_for_each(node, &adev->usecase_list) {
usecase = node_to_item(node, struct audio_usecase, list);
if ((usecase->type == PCM_PLAYBACK || usecase->type == VOICE_CALL)
&& usecase->stream.out != out)
usecase->stream.out->devices = val;
}
}
adev->out_device = get_active_out_devices(adev, out->usecase) | val;
if ((adev->mode == AUDIO_MODE_IN_CALL) && !adev->in_call &&
(out == adev->primary_output) && (val != 0)) {
out->devices = val;
start_voice_call(adev);
} else if (adev->mode != AUDIO_MODE_IN_CALL && adev->in_call) {
} else if ((adev->mode != AUDIO_MODE_IN_CALL) && adev->in_call &&
(out == adev->primary_output)) {
if (val != 0) {
adev->out_device = get_active_out_devices(adev, out->usecase) | val;
out->devices = val;
}
stop_voice_call(adev);
} else if ((out->devices != (audio_devices_t)val) && (val != 0)) {
if (!out->standby || adev->in_call) {
adev->out_device = get_active_out_devices(adev, out->usecase) | val;
/* Update the devices so that select_devices() enables the new devies */
out->devices = val;
if ((adev->in_call && (out == adev->primary_output)) ||
!out->standby) {
ret = select_devices(adev);
}
out->devices = val;
}
pthread_mutex_unlock(&adev->lock);
@ -1607,6 +1625,15 @@ static int adev_open_output_stream(struct audio_hw_device *dev,
out->config = pcm_config_low_latency;
}
if (flags & AUDIO_OUTPUT_FLAG_PRIMARY) {
if(adev->primary_output == NULL)
adev->primary_output = out;
else {
ALOGE("%s: Primary output is already opened", __func__);
return -EEXIST;
}
}
/* Check if this usecase is already existing */
pthread_mutex_lock(&adev->lock);
if (get_usecase_from_list(adev, out->usecase) != NULL) {
@ -2071,6 +2098,7 @@ static int adev_open(const hw_module_t *module, const char *name,
pthread_mutex_lock(&adev->lock);
adev->mode = AUDIO_MODE_NORMAL;
adev->active_input = NULL;
adev->primary_output = NULL;
adev->out_device = AUDIO_DEVICE_NONE;
adev->voice_call_rx = NULL;
adev->voice_call_tx = NULL;

9
hal/audio_hw.h
View File

@ -174,13 +174,17 @@ typedef enum {
VOICE_CALL
} usecase_type_t;
// To store active use cases.
union stream_ptr {
struct stream_in *in;
struct stream_out *out;
};
struct audio_usecase {
struct listnode list;
audio_usecase_t id;
usecase_type_t type;
audio_devices_t devices;
struct audio_usecase *next;
union stream_ptr stream;
};
typedef void (*acdb_deallocate_t)();
@ -204,6 +208,7 @@ struct audio_device {
audio_mode_t mode;
audio_devices_t out_device;
struct stream_in *active_input;
struct stream_out *primary_output;
int in_call;
float voice_volume;
bool mic_mute;