commit a1f480505a2e11b65e8fe6590239bd87b3a33f11
author Uday Kishore Pasupuleti <upasupul@codeaurora.org> Tue Sep 08 22:49:18 2015 +0900
committer Prashant Malani <pmalani@google.com> Thu Oct 08 11:11:04 2015 -0700
tree 1971cb79f37624a1560493ef0bc966444b49d552
parent fb21e4e53923416672ebbf33910d3c4bea5d15f5

hal: Support mute/unmute for HFP Tx

Current hal doesn't support mute/unmute for HFP Tx. So add the feature
to support mute/unmute for HFP Tx

Bug: 23559037
Change-Id: Ibd67225ce926516974ca87059bb139e6af0083ac
Signed-off-by: Uday Kishore Pasupuleti <upasupul@codeaurora.org>

hal/audio_extn/hfp.c

diff --git a/hal/audio_extn/hfp.c b/hal/audio_extn/hfp.c
index 66d1f9b..f3075cf 100644
--- a/hal/audio_extn/hfp.c
+++ b/hal/audio_extn/hfp.c
@@ -120,6 +120,7 @@
 
     ALOGD("%s: enter", __func__);
     adev->enable_hfp = true;
+    platform_set_mic_mute(adev->platform, false);
 
     uc_info = (struct audio_usecase *)calloc(1, sizeof(struct audio_usecase));
     uc_info->id = hfpmod.ucid;
@@ -209,7 +210,6 @@
     struct audio_usecase *uc_info;
 
     ALOGD("%s: enter", __func__);
-    adev->enable_hfp = false;
     hfpmod.is_hfp_running = false;
 
     /* 1. Close the PCM devices */
@@ -244,6 +244,16 @@
     disable_snd_device(adev, uc_info->out_snd_device);
     disable_snd_device(adev, uc_info->in_snd_device);
 
+    /* Disable the echo reference for HFP Tx */
+    platform_set_echo_reference(adev, false, AUDIO_DEVICE_NONE);
+
+    /* Set the unmute Tx mixer control */
+    if (voice_get_mic_mute(adev)) {
+        platform_set_mic_mute(adev->platform, false);
+        ALOGD("%s: unMute HFP Tx", __func__);
+    }
+    adev->enable_hfp = false;
+
     list_remove(&uc_info->list);
     free(uc_info);
 

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 134a2d8..cf49395 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -1607,9 +1607,13 @@
                               ALL_SESSION_VSID,
                               DEFAULT_MUTE_RAMP_DURATION_MS};
 
-    if (adev->mode != AUDIO_MODE_IN_CALL)
+    if (adev->mode != AUDIO_MODE_IN_CALL &&
+        adev->mode != AUDIO_MODE_IN_COMMUNICATION)
         return 0;
 
+    if (adev->enable_hfp)
+        mixer_ctl_name = "HFP Tx Mute";
+
     set_values[0] = state;
     ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);
     if (!ctl) {

hal/voice.c

diff --git a/hal/voice.c b/hal/voice.c
index a33305d..d2215b6 100644
--- a/hal/voice.c
+++ b/hal/voice.c
@@ -350,7 +350,8 @@
     int err = 0;
 
     adev->voice.mic_mute = state;
-    if (adev->mode == AUDIO_MODE_IN_CALL)
+    if (adev->mode == AUDIO_MODE_IN_CALL ||
+        adev->mode == AUDIO_MODE_IN_COMMUNICATION)
         err = platform_set_mic_mute(adev->platform, state);
 
     return err;