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Commit 6c34443d authored by Mingming Yin's avatar Mingming Yin
Browse files

hal: configure HDMI channels based on sink capability. 

- configure output HDMI channel count based on sink
  capability when audio.use.hdmi.sink.cap is set to true

CRs-Fixed: 656308
Change-Id: I3dd3226054c68a69a2c29f8bb2f9c27e429ad2dc
parent 584b1d52

hal/audio_hw.c

+13 −4
Original line number Diff line number Diff line
@@ -1072,6 +1072,8 @@ static int stop_output_stream(struct stream_out *out) 
int start_output_stream(struct stream_out *out)

{

    int ret = 0;

    int sink_channels = 0;

    char prop_value[PROPERTY_VALUE_MAX] = {0};

    struct audio_usecase *uc_info;

    struct audio_device *adev = out->dev;
@@ -1095,11 +1097,18 @@ int start_output_stream(struct stream_out *out) 


    /* This must be called before adding this usecase to the list */

    if (out->devices & AUDIO_DEVICE_OUT_AUX_DIGITAL) {

        property_get("audio.use.hdmi.sink.cap", prop_value, NULL);

        if (!strncmp("true", prop_value, 4)) {

            sink_channels = platform_edid_get_max_channels(out->dev->platform);

            ALOGD("%s: set HDMI channel count[%d] based on sink capability", __func__, sink_channels);

            check_and_set_hdmi_channels(adev, sink_channels);

        } else {

            if (out->usecase == USECASE_AUDIO_PLAYBACK_OFFLOAD)

                check_and_set_hdmi_channels(adev, out->compr_config.codec->ch_in);

            else

                check_and_set_hdmi_channels(adev, out->config.channels);

        }

    }



    list_add_tail(&adev->usecase_list, &uc_info->list);