Hi Marek Thank you for your report > [ 2.970127] -----3830000.i2s : samsung-i2s > [ 2.973029] -----snd-soc-dummy : (null) > [ 2.976851] -----hdmi-audio-codec.0.auto : (null) > [ 2.981476] -----3830000.i2s-sec : snd_dmaengine_pcm > [ 2.986459] -----3830000.i2s : snd_dmaengine_pcm > [ 2.991022] -----max98090.1-0010 : (null) > [ 2.995065] -----snd-soc-dummy : (null) > [ 2.998866] -----hdmi-audio-codec.0.auto : (null) > [ 3.003523] -----max98090.1-0010 : (null) Ahh, OK... Unfortunately, alternative idea will add extra component to rtd in your case. This means, my patches were totally buggy. I need to negotiate Mark revert/remove all buggy patches. Thank you for your help !! Best regards --- Kuninori Morimoto