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Commit c46d0fa9 authored by Nadav Bar's avatar Nadav Bar
Browse files

Mute RX device according to volume in set_voice_volume 

Sends the "Rx Device Mute" mixer ctl  with parameter 1
in platform_set_voice_volume when volume index matches the mute state.
Sends the same ctl with parameter 0 in case RX stream should not be
muted.
Part of a change which enables apps with MODIFY_PHONE_STATE
permission to mute the (Voice Call) RX stream.

Bug: 71017264
Fixes: 71017264
Test: Tested manually
Change-Id: I3e0b7b0d72f5c3e7b37e8c109067818153c82947
parent f1aaf36b

hal/msm8974/platform.c

+19 −0
Original line number Diff line number Diff line
@@ -2107,6 +2107,7 @@ int platform_set_voice_volume(void *platform, int volume) 
    struct audio_device *adev = my_data->adev;

    struct mixer_ctl *ctl;

    const char *mixer_ctl_name = "Voice Rx Gain";

    const char *mute_mixer_ctl_name = "Voice Rx Device Mute";

    int vol_index = 0, ret = 0;

    uint32_t set_values[ ] = {0,

                              ALL_SESSION_VSID,
@@ -2127,6 +2128,24 @@ int platform_set_voice_volume(void *platform, int volume) 
    ALOGV("Setting voice volume index: %d", set_values[0]);

    mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));



    // Send mute command in case volume index is max since indexes are inverted

    // for mixer controls.

    if (vol_index == my_data->max_vol_index) {

        set_values[0] = 1;

    }

    else {

        set_values[0] = 0;

    }



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

    if (!ctl) {

        ALOGE("%s: Could not get ctl for mixer cmd - %s",

              __func__, mute_mixer_ctl_name);

        return -EINVAL;

    }

    ALOGV("%s: Setting RX Device Mute to: %d", __func__, set_values[0]);

    mixer_ctl_set_array(ctl, set_values, ARRAY_SIZE(set_values));



    if (my_data->csd != NULL) {

        ret = my_data->csd->volume(ALL_SESSION_VSID, volume,

                                   DEFAULT_VOLUME_RAMP_DURATION_MS);