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I.MX28 can not get any audio data from SGTL5000

Question asked by 英库 李 on Feb 9, 2015
Latest reply on Feb 26, 2015 by 英库 李

We are developing a system based on i.MX28, which does audio input and output through the SGTL5000 CODEC.

At begining, everything is OK.

However when it recorded for days, arecord could not get any audio data, so the resulting WAV file is just 44 bytes (file header data only)

The audio input is the same one that lasts 10 seconds. Stopping 20 seconds, the next input comes.

Somedays later,we run into this issue.

Has anyone else seen this issue?