commit f7092791c53476b84a932542c53423386ea0cc08
author Derek Chen <chenche@codeaurora.org> Tue May 23 12:23:53 2017 -0400
committer Derek Chen <chenche@codeaurora.org> Tue Aug 27 16:08:30 2019 -0700
tree 520061f68a5fff5af4278186e0b4b1fc8d32b71e
parent 5866e83f103ed27e967edc0ab4f275f3945a4927

hal: support calibration for hfp with dual asm loopback

Add support TX and RX calibration for HFP call
on both uplink and downlink ASM loopback path.

Change-Id: I66dec9ec01e0645ba6f5c21a4e64aabd10e2b6a5
Signed-off-by: Derek Chen <chenche@codeaurora.org>
Signed-off-by: Guodong Hu <guodhu@codeaurora.org>

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index fb65f88..f860df5 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -417,6 +417,8 @@
     [USECASE_AUDIO_PLAYBACK_FM] = {FM_PLAYBACK_PCM_DEVICE, FM_CAPTURE_PCM_DEVICE},
     [USECASE_AUDIO_HFP_SCO] = {HFP_PCM_RX, HFP_SCO_RX},
     [USECASE_AUDIO_HFP_SCO_WB] = {HFP_PCM_RX, HFP_SCO_RX},
+    [USECASE_AUDIO_HFP_SCO_DOWNLINK] = {HFP_ASM_RX_TX, HFP_ASM_RX_TX},
+    [USECASE_AUDIO_HFP_SCO_WB_DOWNLINK] = {HFP_ASM_RX_TX, HFP_ASM_RX_TX},
     [USECASE_VOICE_CALL] = {VOICE_CALL_PCM_DEVICE, VOICE_CALL_PCM_DEVICE},
     [USECASE_AUDIO_PLAYBACK_MMAP] = {MMAP_PLAYBACK_PCM_DEVICE,
             MMAP_PLAYBACK_PCM_DEVICE},
@@ -1276,6 +1278,8 @@
     {TO_NAME_INDEX(USECASE_INCALL_REC_UPLINK_AND_DOWNLINK)},
     {TO_NAME_INDEX(USECASE_AUDIO_HFP_SCO)},
     {TO_NAME_INDEX(USECASE_AUDIO_HFP_SCO_WB)},
+    {TO_NAME_INDEX(USECASE_AUDIO_HFP_SCO_DOWNLINK)},
+    {TO_NAME_INDEX(USECASE_AUDIO_HFP_SCO_WB_DOWNLINK)},
     {TO_NAME_INDEX(USECASE_AUDIO_PLAYBACK_FM)},
     {TO_NAME_INDEX(USECASE_AUDIO_RECORD_FM_VIRTUAL)},
     {TO_NAME_INDEX(USECASE_AUDIO_SPKR_CALIB_RX)},
@@ -4981,10 +4985,14 @@
     snd_device_t incall_rec_device;
     int sample_rate = DEFAULT_OUTPUT_SAMPLING_RATE;
     struct audio_backend_cfg backend_cfg = {0};
+    bool is_bus_dev_usecase = false;
 
     if (voice_is_in_call(my_data->adev))
         is_incall_rec_usecase = voice_is_in_call_rec_stream(usecase->stream.in);
 
+    if (usecase->devices & AUDIO_DEVICE_OUT_BUS)
+        is_bus_dev_usecase = true;
+
     if (usecase->type == PCM_PLAYBACK)
         snd_device = usecase->out_snd_device;
     else if ((usecase->type == PCM_CAPTURE) && is_incall_rec_usecase)
@@ -5013,6 +5021,11 @@
             new_snd_device[0] = snd_device;
         }
     }
+    if ((usecase->type == PCM_HFP_CALL) && is_bus_dev_usecase) {
+        num_devices = 2;
+        new_snd_device[0] = usecase->in_snd_device;
+        new_snd_device[1] = usecase->out_snd_device;
+    }
 
     for (i = 0; i < num_devices; i++) {
         if (!is_incall_rec_usecase) {
@@ -5032,6 +5045,17 @@
         if ((usecase->type == PCM_CAPTURE) && (app_type == DEFAULT_APP_TYPE_RX_PATH)) {
             ALOGD("Resetting app type for Tx path to default");
             app_type  = DEFAULT_APP_TYPE_TX_PATH;
+        } else if ((usecase->type == PCM_HFP_CALL) && is_bus_dev_usecase) {
+            if (new_snd_device[i] >= SND_DEVICE_OUT_BEGIN &&
+                new_snd_device[i] < SND_DEVICE_OUT_END) {
+                app_type  = usecase->out_app_type_cfg.app_type;
+                sample_rate = usecase->out_app_type_cfg.sample_rate;
+            } else {
+                app_type  = usecase->in_app_type_cfg.app_type;
+                sample_rate = usecase->in_app_type_cfg.sample_rate;
+            }
+            ALOGD("%s: Updating to app type (%d) and sample rate (%d)",
+                  __func__, app_type, sample_rate);
         }
 
         /* Override backend cfg sample rate in calibration for vi feedback usecase */