i9300: implement noise suppression for calls

Change-Id: Iadf1c59ae5d94364bccad97ca2f49d6a68c80244

4 files changed, 55 insertions, 1 deletions

diff --git a/audio/audio_hw.c b/audio/audio_hw.c
index 42c6122..e0e306c 100755
--- a/audio/audio_hw.c
+++ b/audio/audio_hw.c
@@ -2504,6 +2504,21 @@ static int adev_set_parameters(struct audio_hw_device *dev, const char *kvpairs)
             adev->screen_off = true;
     }
 
+    ret = str_parms_get_str(parms, "noise_suppression", value, sizeof(value));
+    if (ret >= 0) {
+        if (strcmp(value, "true") == 0) {
+            ALOGE("%s: enabling two mic control", __func__);
+            ril_set_two_mic_control(&adev->ril, AUDIENCE, TWO_MIC_SOLUTION_ON);
+            /* sub mic */
+            set_bigroute_by_array(adev->mixer, noise_suppression, 1);
+        } else {
+            ALOGE("%s: disabling two mic control", __func__);
+            ril_set_two_mic_control(&adev->ril, AUDIENCE, TWO_MIC_SOLUTION_OFF);
+            /* sub mic */
+            set_bigroute_by_array(adev->mixer, noise_suppression_disable, 1);
+        }
+    }
+
     str_parms_destroy(parms);
     return ret;
 }
diff --git a/audio/audio_hw.h b/audio/audio_hw.h
index b01ab33..4f0919a 100644
--- a/audio/audio_hw.h
+++ b/audio/audio_hw.h
@@ -161,6 +161,24 @@ struct route_setting default_input_disable[] = {
     { .ctl_name = NULL, },
 };
 
+struct route_setting noise_suppression[] = {
+    { .ctl_name = "Sub Mic Switch", .intval = 1, },
+    { .ctl_name = "IN1R Volume", .intval = 25, },
+    { .ctl_name = "MIXINR IN1R Switch", .intval = 1, },
+    { .ctl_name = "MIXINR IN1R Volume", .intval = 0, },
+    { .ctl_name = "AIF1ADCR Source", .intval = 1, },
+    { .ctl_name = "AIF2ADCR Source", .intval = 1, },
+    { .ctl_name = NULL, },
+};
+
+struct route_setting noise_suppression_disable[] = {
+    { .ctl_name = "Sub Mic Switch", .intval = 0, },
+    { .ctl_name = "IN1R Volume", .intval = 7, },
+    { .ctl_name = "MIXINR IN1R Switch", .intval = 0, },
+    { .ctl_name = "MIXINR IN1R Volume", .intval = 0, },
+    { .ctl_name = NULL, },
+};
+
 struct route_setting headset_input[] = {
     { .ctl_name = "MIXINL IN1L Switch", .intval = 0, },
     { .ctl_name = "MIXINR IN1R Switch", .intval = 0, },
diff --git a/audio/ril_interface.c b/audio/ril_interface.c
index 89a0aef..a77efc0 100755
--- a/audio/ril_interface.c
+++ b/audio/ril_interface.c
@@ -37,6 +37,7 @@ int (*_ril_disconnect)(void *);
 int (*_ril_set_call_volume)(void *, enum ril_sound_type, int);
 int (*_ril_set_call_audio_path)(void *, enum ril_audio_path);
 int (*_ril_set_call_clock_sync)(void *, enum ril_clock_state);
+int (*_ril_set_two_mic_control)(void *, enum ril_two_mic_device, enum ril_two_mic_state);
 int (*_ril_register_unsolicited_handler)(void *, int, void *);
 int (*_ril_get_wb_amr)(void *, void *);
 
@@ -106,6 +107,7 @@ int ril_open(struct ril_handle *ril)
     _ril_set_call_volume = dlsym(ril->handle, "SetCallVolume");
     _ril_set_call_audio_path = dlsym(ril->handle, "SetCallAudioPath");
     _ril_set_call_clock_sync = dlsym(ril->handle, "SetCallClockSync");
+    _ril_set_two_mic_control = dlsym(ril->handle, "SetTwoMicControl");
     _ril_register_unsolicited_handler = dlsym(ril->handle,
                                               "RegisterUnsolicitedHandler");
     /* since this function is not supported in all RILs, don't require it */
@@ -113,7 +115,7 @@ int ril_open(struct ril_handle *ril)
 
     if (!_ril_open_client || !_ril_close_client || !_ril_connect ||
         !_ril_is_connected || !_ril_disconnect || !_ril_set_call_volume ||
-        !_ril_set_call_audio_path || !_ril_set_call_clock_sync ||
+        !_ril_set_call_audio_path || !_ril_set_two_mic_control || !_ril_set_call_clock_sync ||
         !_ril_register_unsolicited_handler) {
         ALOGE("Cannot get symbols from '%s'", RIL_CLIENT_LIBPATH);
         dlclose(ril->handle);
@@ -181,3 +183,11 @@ int ril_set_call_clock_sync(struct ril_handle *ril, enum ril_clock_state state)
 
     return _ril_set_call_clock_sync(ril->client, state);
 }
+
+int ril_set_two_mic_control(struct ril_handle *ril, enum ril_two_mic_device device, enum ril_two_mic_state state)
+{
+    if (ril_connect_if_required(ril))
+        return 0;
+
+    return _ril_set_two_mic_control(ril->client, device, state);
+}
diff --git a/audio/ril_interface.h b/audio/ril_interface.h
index 676772c..4b401aa 100755
--- a/audio/ril_interface.h
+++ b/audio/ril_interface.h
@@ -60,6 +60,16 @@ enum ril_clock_state {
     SOUND_CLOCK_START
 };
 
+enum ril_two_mic_device {
+    AUDIENCE,
+    FORTEMEDIA
+};
+
+enum ril_two_mic_state {
+    TWO_MIC_SOLUTION_OFF,
+    TWO_MIC_SOLUTION_ON
+};
+
 /* Function prototypes */
 int ril_open(struct ril_handle *ril);
 int ril_close(struct ril_handle *ril);
@@ -68,5 +78,6 @@ int ril_set_call_volume(struct ril_handle *ril, enum ril_sound_type sound_type,
 int ril_set_call_audio_path(struct ril_handle *ril, enum ril_audio_path path);
 int ril_set_call_clock_sync(struct ril_handle *ril, enum ril_clock_state state);
 void ril_register_set_wb_amr_callback(void *function, void *data);
+int ril_set_two_mic_control(struct ril_handle *ril, enum ril_two_mic_device device, enum ril_two_mic_state state);
 #endif