commit 1cad714fb6a37159c1f84fa5b5f978c6dc7989bc
author Kuirong Wang <kuirongw@codeaurora.org> Tue May 24 15:21:56 2016 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> Thu Jun 23 10:37:38 2016 -0700
tree cfdc91f80ed47772fd3d9bde1dd23424156f064a
parent a9f7cee0718c0bee1d7bbe27ef6603e104822fe1

hal: Add device sidetone support for USB audio ADSP solution

Add device sidetone support for USB ADSP solution if the USB headset
has the sidetone capability.

CRs-Fixed: 1019158
Change-Id: Ie40c286eb9988aeb5093f32c7f81cdb142e88eb6

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index b7d326c..d60d67c 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -3567,6 +3567,7 @@
     set_audiocal(platform, parms, value, len);
     native_audio_set_params(platform, parms, value, len);
     audio_extn_spkr_prot_set_parameters(parms, value, len);
+    audio_extn_usb_set_sidetone_gain(parms, value, len);
     perf_lock_set_params(platform, parms, value, len);
 done:
     ALOGV("%s: exit with code(%d)", __func__, ret);
@@ -5163,4 +5164,25 @@
     return ret;
 }
 
+int platform_set_sidetone(struct audio_device *adev,
+                          snd_device_t out_snd_device,
+                          bool enable,
+                          char *str)
+{
+    int ret;
+    if (out_snd_device == SND_DEVICE_OUT_USB_HEADSET) {
+            ret = audio_extn_usb_enable_sidetone(out_snd_device, enable);
+            if (ret)
+                ALOGI("%s: usb device %d does not support device sidetone\n",
+                  __func__, out_snd_device);
+    } else {
+        ALOGV("%s: sidetone out device(%d) mixer cmd = %s\n",
+              __func__, out_snd_device, str);
 
+        if (enable)
+            audio_route_apply_and_update_path(adev->audio_route, str);
+        else
+            audio_route_reset_and_update_path(adev->audio_route, str);
+    }
+    return 0;
+}