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Audio testing fails with tinyplay command on i.MX8M EVK

Question asked by on Dec 5, 2018
Latest reply on Jan 23, 2019 by Yi-Lin Yeh


Tinyplay utility fails to play a sample audio wav file when followed with the below steps on Android platform,


evk_8mq:/storage/emulated/0 # tinyplay testw2.wav

Unable to open PCM device 0 (cannot set hw params: Invalid argument)


No parameters are observed under ctl,type,num,name and value fileds.Tinymix displays the following content 

evk_8mq:/storage/emulated/0 # tinymix
Mixer name: 'wm8524-audio'
Number of controls: 0
ctl       type      num       name       value



Can you please provide me some inputs on this?