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Android 4.4.3 spdif out not working

Question asked by Marco Bologna on Sep 29, 2016
Latest reply on Sep 30, 2016 by Marco Bologna

I use android 4.4.3 and I would like use the Spidif out.

In ALSA device list imx-spdif is listed as audio card 1

I configured the /hardware/imx/alsa/config_spdif.h as out, after

I tried by console tinyplay /test.wav -D 1 -d 0.

I check by oscilloscope the out and it works, but I not listen sound.

It seems mute audio.

I tried by console tinyplay also with sgtl5000 and HDMI and sound is ok.

How can I check?

The Android 4.4.3 can transmit the spdif audio?

I not have error or warning in all logs, but I not have out sound.

Thanks in advance for any help.

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