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Commit d63caef7 authored by Sudheer Papothi's avatar Sudheer Papothi
Browse files

hal: audio_extn: Add support to control AANC noise level 

Add support to control AANC(Adaptive Active Noise Cancellation) noise
level from user interface.

Change-Id: Ib7dfe94e95e098e02da13eeeeeca9e3b30d68c46
parent d90940c9

hal/audio_extn/audio_extn.c

+22 −0
Original line number Diff line number Diff line
@@ -80,6 +80,7 @@ struct audio_extn_module { 


static struct audio_extn_module aextnmod;



#define AUDIO_PARAMETER_KEY_AANC_NOISE_LEVEL "aanc_noise_level"

#define AUDIO_PARAMETER_KEY_ANC        "anc_enabled"

#define AUDIO_PARAMETER_KEY_WFD        "wfd_channel_cap"

#define AUDIO_PARAMETER_CAN_OPEN_PROXY "can_open_proxy"
@@ -467,6 +468,26 @@ bool audio_extn_should_use_fb_anc(void) 
  return false;

}



void audio_extn_set_aanc_noise_level(struct audio_device *adev,

                                     struct str_parms *parms)

{

    int ret;

    char value[32] = {0};

    struct mixer_ctl *ctl = NULL;

    const char *mixer_ctl_name = "AANC Noise Level";



    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_AANC_NOISE_LEVEL, value,

                            sizeof(value));

    if (ret >= 0) {

        ctl = mixer_get_ctl_by_name(adev->mixer, mixer_ctl_name);

        if (ctl)

            mixer_ctl_set_value(ctl, 0, atoi(value));

        else

            ALOGW("%s: Not able to get mixer ctl: %s",

                  __func__, mixer_ctl_name);

    }

}



void audio_extn_set_anc_parameters(struct audio_device *adev,

                                   struct str_parms *parms)

{
@@ -816,6 +837,7 @@ void audio_extn_init(struct audio_device *adev) 
void audio_extn_set_parameters(struct audio_device *adev,

                               struct str_parms *parms)

{

   audio_extn_set_aanc_noise_level(adev, parms);

   audio_extn_set_anc_parameters(adev, parms);

   audio_extn_set_fluence_parameters(adev, parms);

   audio_extn_set_afe_proxy_parameters(adev, parms);