audio: Fix BT sample rate handling properly

This should now support both old and new headsets,
as we rely on codec negotiation in the bluetooth
stack for narrow/wide band switching.

Change-Id: Ie9d308dfc55726fd1591a7d158f610bd267340e6
(cherry picked from commit d462f7b86e957f858959ef5d80fd1744689ee6ea)
This commit is contained in:
Christopher N. Hesse 2018-01-16 18:33:38 +01:00
parent 6c0020c6a9
commit e4a1c59a0b
2 changed files with 20 additions and 4 deletions

View File

@ -4139,11 +4139,8 @@ static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
value,
sizeof(value));
if (ret >= 0) {
/* TODO: Add support in voice calls */
if (strcmp(value, AUDIO_PARAMETER_VALUE_ON) == 0) {
adev->voice.bluetooth_wb = true;
ALOGI("%s: Implement support for BT SCO wideband calls!!!",
__func__);
} else {
adev->voice.bluetooth_wb = false;
}
@ -4553,6 +4550,7 @@ static int adev_open(const hw_module_t *module, const char *name,
adev->voice.volume = 1.0f;
adev->voice.bluetooth_nrec = true;
adev->voice.in_call = false;
adev->voice.bluetooth_wb = false;
/* adev->cur_hdmi_channels = 0; by calloc() */
adev->snd_dev_ref_cnt = calloc(SND_DEVICE_MAX, sizeof(int));

View File

@ -38,6 +38,17 @@
#include "audience.h"
#endif
/**
* container_of - cast a member of a structure out to the containing structure
* @ptr: the pointer to the member.
* @type: the type of the container struct this is embedded in.
* @member: the name of the member within the struct.
*
*/
#define container_of(ptr, type, member) ({ \
void *__mptr = (void *)(ptr); \
((type *)((uintptr_t)__mptr - offsetof(type, member))); })
static struct pcm_config pcm_config_voicecall = {
.channels = 2,
.rate = 8000,
@ -160,6 +171,7 @@ static void stop_voice_session_bt_sco(struct voice_session *session) {
void start_voice_session_bt_sco(struct voice_session *session)
{
struct pcm_config *voice_sco_config;
struct voice_data *vdata = container_of(session, struct voice_data, session);
if (session->pcm_sco_rx != NULL || session->pcm_sco_tx != NULL) {
ALOGW("%s: SCO PCMs already open!\n", __func__);
@ -168,7 +180,7 @@ void start_voice_session_bt_sco(struct voice_session *session)
ALOGV("%s: Opening SCO PCMs", __func__);
if (session->wb_amr_type >= 1) {
if (vdata->bluetooth_wb) {
ALOGV("%s: pcm_config wideband", __func__);
voice_sco_config = &pcm_config_voice_sco_wb;
} else {
@ -372,6 +384,12 @@ bool voice_session_uses_twomic(struct voice_session *session)
bool voice_session_uses_wideband(struct voice_session *session)
{
struct voice_data *vdata = container_of(session, struct voice_data, session);
if (session->out_device & AUDIO_DEVICE_OUT_ALL_SCO) {
return vdata->bluetooth_wb;
}
return session->wb_amr_type >= 1;
}