commit c5aaa0e767b83fa8299861a739a4a1cb8e9bee0f
author keunhui.park <keunhui.park@lge.com> Mon Jul 13 10:57:37 2015 +0900
committer Thierry Strudel <tstrudel@google.com> Thu Jul 30 09:29:14 2015 -0700
tree d03e3fe35f888d6c3de5ac803b42f8ff7879439b
parent 4cb8298a322ef5be6f8db002e50c764fdecc2c55

audio: set voice call volume step by property

Bug: 22469108
Change-Id: I6999a2d0da1296deef252fdfb6a7c7e7df642dd9

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 03aa596..23a122a 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -62,6 +62,9 @@
 
 #define DEFAULT_APP_TYPE_RX_PATH  0x11130
 
+#define TOSTRING_(x) #x
+#define TOSTRING(x) TOSTRING_(x)
+
 struct audio_block_header
 {
     int reserved;
@@ -104,6 +107,7 @@
     char ec_ref_mixer_path[64];
 
     char *snd_card_name;
+    int max_vol_index;
 };
 
 static int pcm_device_table[AUDIO_USECASE_MAX][2] = {
@@ -850,6 +854,10 @@
         goto init_failed;
     }
 
+    //set max volume step for voice call
+    property_get("ro.config.vc_call_vol_steps", value, TOSTRING(MAX_VOL_INDEX));
+    my_data->max_vol_index = atoi(value);
+
     my_data->dualmic_config = DUALMIC_CONFIG_NONE;
     my_data->fluence_in_spkr_mode = false;
     my_data->fluence_in_voice_call = false;
@@ -1317,7 +1325,7 @@
     // Voice volume levels are mapped to adsp volume levels as follows.
     // 100 -> 5, 80 -> 4, 60 -> 3, 40 -> 2, 20 -> 1  0 -> 0
     // But this values don't changed in kernel. So, below change is need.
-    vol_index = (int)percent_to_index(volume, MIN_VOL_INDEX, MAX_VOL_INDEX);
+    vol_index = (int)percent_to_index(volume, MIN_VOL_INDEX, my_data->max_vol_index);
     set_values[0] = vol_index;
 
     ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);