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hal: configure slimbus Rx channel for APTX AD at 96KHz 

Configure slimbus Rx for aptX Adaptive at 96KHz to reduce
the time to transfer the packets across the slimbus.

Change-Id: Iea3beafb5d063ac0bcbb0c76727df2eaed2606a0
This commit is contained in:
Zhou Song 2019-05-23 22:38:25 +08:00
parent 198adc001c
commit 7d7ca8bcac
1 changed files with 7 additions and 3 deletions
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10
hal/audio_extn/a2dp.c
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@ -1128,11 +1128,15 @@ static bool a2dp_set_backend_cfg(uint8_t direction)
} else {
sampling_rate = a2dp.enc_sampling_rate;
}
//For LDAC encoder and AAC decoder open slimbus port at
//96Khz for 48Khz input and 88.2Khz for 44.1Khz input.
/*
* For LDAC encoder and AAC decoder open slimbus port at
* 96Khz for 48Khz input and 88.2Khz for 44.1Khz input.
* For APTX AD encoder, open slimbus port at 96Khz for 48Khz input.
*/
if (((a2dp.bt_encoder_format == CODEC_TYPE_LDAC) ||
(a2dp.bt_decoder_format == CODEC_TYPE_SBC) ||
(a2dp.bt_decoder_format == AUDIO_FORMAT_AAC)) &&
(a2dp.bt_decoder_format == AUDIO_FORMAT_AAC) ||
(a2dp.bt_encoder_format == CODEC_TYPE_APTX_AD)) &&
(sampling_rate == 48000 || sampling_rate == 44100 )) {
sampling_rate = sampling_rate *2;
}