commit a2bdf6ed4de1cecede198f47900bc28e131c31a6
author Yamit Mehta <ymehta@codeaurora.org> Wed Nov 02 12:01:02 2016 +0530
committer Tom Cherry <tomcherry@google.com> Wed Nov 02 23:29:40 2016 +0000
tree 6a90596813eea2e92e47655ba4ab2f835254efe4
parent 7533dc8b013a6e713731bf2e834f41002b85b8bc

hal: Update mixer control for voice/volte call

Update mixer control with session id in
voice/volte call so that mute and unmute
commands can work properly.

Bug: 32395731

Change-Id: Ib64707e644eda29bd145ad67ae6d2519ac643969

hal/msm8916/platform.c

diff --git a/hal/msm8916/platform.c b/hal/msm8916/platform.c
index f2efec3..a7b51ab 100644
--- a/hal/msm8916/platform.c
+++ b/hal/msm8916/platform.c
@@ -1428,7 +1428,9 @@
     struct mixer_ctl *ctl;
     const char *mixer_ctl_name = "Voice Tx Mute";
     int ret = 0;
-    uint32_t set_values[ ] = {0};
+    uint32_t set_values[ ] = {0,
+                              ALL_SESSION_VSID,
+                              DEFAULT_MUTE_RAMP_DURATION_MS};
 
     if (audio_extn_hfp_is_active(adev))
         mixer_ctl_name = "HFP TX Mute";
@@ -1441,7 +1443,11 @@
         return -EINVAL;
     }
     ALOGV("Setting voice mute state: %d", state);
-    ret = mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
+    // "HFP TX mute" mixer control has xcount of 1.
+    if (audio_extn_hfp_is_active(adev))
+        ret = mixer_ctl_set_array(ctl, set_values, 1 /*count*/);
+    else
+        ret = mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));
     return ret;
 }