hal: add interface to enable volume based audio calibration support
- expose new api from audio HAL that volume listner module will call
to set volume calibration level
Change-Id: If74bf66d32def85022d79ccb9f84c3b85c8a2dc9
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index fc81443..c7c43ba 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -54,6 +54,7 @@
#define PLATFORM_INFO_XML_PATH "/system/etc/audio_platform_info.xml"
#define PLATFORM_INFO_XML_PATH_I2S "/system/etc/audio_platform_info_i2s.xml"
+#include <linux/msm_audio.h>
#define LIB_ACDB_LOADER "libacdbloader.so"
#define AUDIO_DATA_BLOCK_MIXER_CTL "HDMI EDID"
@@ -156,6 +157,12 @@
uint32_t param_id;
} acdb_audio_cal_cfg_t;
+enum {
+ CAL_MODE_SEND = 0x1,
+ CAL_MODE_PERSIST = 0x2,
+ CAL_MODE_RTAC = 0x4
+};
+
/* Audio calibration related functions */
typedef void (*acdb_deallocate_t)();
typedef int (*acdb_init_t)(const char *, char *, int);
@@ -180,6 +187,7 @@
bool ui_na_prop_enabled;
} native_audio_prop;
static native_audio_prop na_props = {0, 0};
+typedef int (*acdb_send_gain_dep_cal_t)(int, int, int, int, int);
struct platform_data {
struct audio_device *adev;
@@ -210,6 +218,7 @@
acdb_get_default_app_type_t acdb_get_default_app_type;
void *hw_info;
+ acdb_send_gain_dep_cal_t acdb_send_gain_dep_cal;
struct csd_data *csd;
void *edid_info;
bool edid_valid;
@@ -705,6 +714,55 @@
#define DEEP_BUFFER_PLATFORM_DELAY (29*1000LL)
#define LOW_LATENCY_PLATFORM_DELAY (13*1000LL)
+bool platform_send_gain_dep_cal(void *platform, int level) {
+ bool ret_val = false;
+ struct platform_data *my_data = (struct platform_data *)platform;
+ struct audio_device *adev = my_data->adev;
+ int acdb_dev_id, app_type;
+ int acdb_dev_type = MSM_SNDDEV_CAP_RX;
+ int mode = CAL_MODE_RTAC;
+ struct listnode *node;
+ struct audio_usecase *usecase;
+
+ if (my_data->acdb_send_gain_dep_cal == NULL) {
+ ALOGE("%s: dlsym error for acdb_send_gain_dep_cal", __func__);
+ return ret_val;
+ }
+
+ if (!voice_is_in_call(adev)) {
+ ALOGV("%s: Not Voice call usecase, apply new cal for level %d",
+ __func__, level);
+
+ // find the current active sound device
+ list_for_each(node, &adev->usecase_list) {
+ usecase = node_to_item(node, struct audio_usecase, list);
+
+ if (usecase != NULL &&
+ usecase->type == PCM_PLAYBACK &&
+ (usecase->stream.out->devices == AUDIO_DEVICE_OUT_SPEAKER ||
+ usecase->stream.out->devices == AUDIO_DEVICE_OUT_SPEAKER_SAFE)) {
+
+ ALOGV("%s: out device is %d", __func__, usecase->out_snd_device);
+ app_type = usecase->stream.out->app_type_cfg.app_type;
+ acdb_dev_id = acdb_device_table[usecase->out_snd_device];
+ if (!my_data->acdb_send_gain_dep_cal(acdb_dev_id, app_type,
+ acdb_dev_type, mode, level)) {
+ // set ret_val true if at least one calibration is set successfully
+ ret_val = true;
+ } else {
+ ALOGE("%s: my_data->acdb_send_gain_dep_cal failed ", __func__);
+ }
+ } else {
+ ALOGW("%s: Usecase list is empty", __func__);
+ }
+ }
+ } else {
+ ALOGW("%s: Voice call in progress .. ignore setting new cal",
+ __func__);
+ }
+ return ret_val;
+}
+
void platform_set_echo_reference(void *platform, bool enable)
{
struct platform_data *my_data = (struct platform_data *)platform;
@@ -1257,6 +1315,12 @@
ALOGE("%s: Could not find the symbol acdb_get_default_app_type from %s",
__func__, LIB_ACDB_LOADER);
+ my_data->acdb_send_gain_dep_cal = (acdb_send_gain_dep_cal_t)dlsym(my_data->acdb_handle,
+ "acdb_loader_send_gain_dep_cal");
+ if (!my_data->acdb_send_gain_dep_cal)
+ ALOGV("%s: Could not find the symbol acdb_loader_send_gain_dep_cal from %s",
+ __func__, LIB_ACDB_LOADER);
+
my_data->acdb_init = (acdb_init_t)dlsym(my_data->acdb_handle,
"acdb_loader_init_v2");
if (my_data->acdb_init == NULL) {