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Commit 1b966ad9 authored by Dhananjay Kumar's avatar Dhananjay Kumar Committed by Divya Narayanan Poojary
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hal: fm: add parameter to set mute options 

Add parameter to handle mute options, this is required to
control fm mute in device loopback mode without affecting
other music streams.

CRs-Fixed: 963849
Change-Id: I1729d0bd3cff40670444a8806a05c7304d4ca6aa
parent 99b10759

hal/audio_extn/fm.c

+20 −0
Original line number Diff line number Diff line
@@ -35,6 +35,7 @@ 
#define AUDIO_PARAMETER_KEY_HANDLE_FM "handle_fm"

#define AUDIO_PARAMETER_KEY_FM_VOLUME "fm_volume"

#define AUDIO_PARAMETER_KEY_REC_PLAY_CONC "rec_play_conc_on"

#define AUDIO_PARAMETER_KEY_FM_MUTE "fm_mute"



static struct pcm_config pcm_config_fm = {

    .channels = 2,
@@ -51,6 +52,7 @@ struct fm_module { 
    struct pcm *fm_pcm_rx;

    struct pcm *fm_pcm_tx;

    bool is_fm_running;

    bool is_fm_muted;

    float fm_volume;

    bool restart_fm;

    int scard_state;
@@ -61,6 +63,7 @@ static struct fm_module fmmod = { 
  .fm_pcm_tx = NULL,

  .fm_volume = 0,

  .is_fm_running = 0,

  .is_fm_muted = 0,

  .restart_fm = 0,

  .scard_state = SND_CARD_STATE_ONLINE,

};
@@ -84,6 +87,12 @@ static int32_t fm_set_volume(struct audio_device *adev, float value) 
    vol  = lrint((value * 0x2000) + 0.5);

    fmmod.fm_volume = value;



    if (fmmod.is_fm_muted == true && vol > 0) {

        ALOGD("%s: fm is muted, applying '0' volume instead of '%d'.",

                                                        __func__, vol);

        vol = 0;

    }



    if (!fmmod.is_fm_running) {

        ALOGV("%s: FM not active, ignoring set_fm_volume call", __func__);

        return -EIO;
@@ -281,6 +290,17 @@ void audio_extn_fm_set_parameters(struct audio_device *adev, 
        fm_set_volume(adev, vol);

    }



    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_FM_MUTE,

                            value, sizeof(value));

    if (ret >= 0) {

        if (value[0] == '1')

            fmmod.is_fm_muted = true;

        else

            fmmod.is_fm_muted = false;

        ALOGV("%s: set_fm_volume from param mute", __func__);

        fm_set_volume(adev, fmmod.fm_volume);

    }



#ifdef RECORD_PLAY_CONCURRENCY

    ret = str_parms_get_str(parms, AUDIO_PARAMETER_KEY_REC_PLAY_CONC,

                               value, sizeof(value));