commit de0ea45ca57cdf95c28715e4b1241291bbf01f08
author Banajit Goswami <bgoswami@codeaurora.org> Mon Apr 07 12:11:47 2014 -0700
committer Banajit Goswami <bgoswami@codeaurora.org> Mon Apr 07 12:11:47 2014 -0700
tree eb78f8448c2d0863596ad924781df81fea7ba48a
parent 394e152d44642ccc2a80c35e28fa3a5f5f98a94b

hal: add support for AANC on handset for APQ8084

For APQ8084 voice call use-case, Adaptive ANC (AANC) is used
by sending an appropriate flag to CSD for enabled AANC.

Change-Id: Ifc4609c16ef3c5d905628ff22853fc44fd81a73a

hal/msm8974/platform.c

diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index aa49c7b..a303a30 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -1422,6 +1422,7 @@
             if (out_device & AUDIO_DEVICE_OUT_EARPIECE &&
                 audio_extn_should_use_handset_anc(channel_count)) {
                 snd_device = SND_DEVICE_IN_AANC_HANDSET_MIC;
+                adev->acdb_settings |= ANC_FLAG;
             } else if (my_data->fluence_type == FLUENCE_NONE ||
                 my_data->fluence_in_voice_call == false) {
                 snd_device = SND_DEVICE_IN_HANDSET_MIC;