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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
This commit is contained in:
Sudheer Papothi 2018-05-15 00:41:52 +05:30
parent d90940c9d2
commit d63caef737
1 changed files with 22 additions and 0 deletions
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22
hal/audio_extn/audio_extn.c
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@ -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);