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Commit ba2749ab authored by Arun Mirpuri's avatar Arun Mirpuri Committed by Eric Laurent
Browse files

hal: Add incall stereo capture 

Add mixer control to pass channel config to kernel
to support incall stereo capture.

Bug: 79869195
Test: voice call regression

Change-Id: Ic2c9ebfc42cfc7a6e0d1a9facb4d2658f6c343cb
parent 5a333c11

hal/Android.mk

+1 −0
Original line number Diff line number Diff line
@@ -53,6 +53,7 @@ ifneq ($(filter sdm845,$(TARGET_BOARD_PLATFORM)),) 
  LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"

  LOCAL_CFLAGS += -DKPI_OPTIMIZE_ENABLED

  LOCAL_CFLAGS += -DINCALL_MUSIC_ENABLED

  LOCAL_CFLAGS += -DINCALL_STEREO_CAPTURE_ENABLED

  MULTIPLE_HW_VARIANTS_ENABLED := true

endif

endif

hal/audio_hw.c

+12 −0
Original line number Diff line number Diff line
@@ -5006,6 +5006,18 @@ static int adev_open_input_stream(struct audio_hw_device *dev, 
    in->capture_handle = handle;

    in->flags = flags;



    ALOGV("%s: source = %d, config->channel_mask = %d", __func__, source, config->channel_mask);

    if (source == AUDIO_SOURCE_VOICE_UPLINK ||

         source == AUDIO_SOURCE_VOICE_DOWNLINK) {

        /* Force channel config requested to mono if incall

           record is being requested for only uplink/downlink */

        if (config->channel_mask != AUDIO_CHANNEL_IN_MONO) {

            config->channel_mask = AUDIO_CHANNEL_IN_MONO;

            ret = -EINVAL;

            goto err_open;

        }

    }



    if (is_usb_dev && may_use_hifi_record) {

        /* HiFi record selects an appropriate format, channel, rate combo

           depending on sink capabilities*/

hal/msm8916/platform.c

+7 −0
Original line number Diff line number Diff line
@@ -2146,6 +2146,13 @@ int platform_set_incall_recording_session_id(void *platform, 
    return ret;

}



int platform_set_incall_recording_session_channels(void *platform __unused,

                                             uint32_t channel_count __unused)

{

    return 0;

}





int platform_stop_incall_recording_usecase(void *platform __unused)

{

    return 0;

hal/msm8974/platform.c

+29 −0
Original line number Diff line number Diff line
@@ -3259,6 +3259,35 @@ int platform_set_incall_recording_session_id(void *platform, 
    return ret;

}



int platform_set_incall_recording_session_channels(void *platform,

                                             uint32_t channel_count)

{

    int ret = 0;

    struct platform_data *my_data = (struct platform_data *)platform;

    struct audio_device *adev = my_data->adev;

    const char *mixer_ctl_name = "Voc Rec Config";

    int num_ctl_values;

    int i;

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



    if (!ctl) {

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

              __func__, mixer_ctl_name);

        ret = -EINVAL;

    } else {

        num_ctl_values = mixer_ctl_get_num_values(ctl);

        for (i = 0; i < num_ctl_values; i++) {

            if (mixer_ctl_set_value(ctl, i, channel_count)) {

                ALOGE("Error: invalid channel count: %x", channel_count);

                ret = -EINVAL;

                break;

            }

        }

    }



    return ret;

}



int platform_stop_incall_recording_usecase(void *platform)

{

    int ret = 0;

hal/platform_api.h

+2 −0
Original line number Diff line number Diff line
@@ -104,6 +104,8 @@ int64_t platform_render_latency(audio_usecase_t usecase); 


int platform_set_incall_recording_session_id(void *platform,

                                             uint32_t session_id, int rec_mode);

int platform_set_incall_recording_session_channels(void *platform,

                                                   uint32_t session_channels);

int platform_stop_incall_recording_usecase(void *platform);

int platform_start_incall_music_usecase(void *platform);

int platform_stop_incall_music_usecase(void *platform);