Hi Jerome I need your help > > I have tested this series on an Amlogic device (vim3l) > > This brings warnings for cases which are perfectly fine. > > > > For example, one of the DPCM backends is the TDM interface. This > > interface is capable of both playback and capture. It can be associated > > with any i2s/TDM codec. > > > > The codec may do playback and capture too, but it > > may also do a single direction. Then usual example is the hdmi codec > > which does playback only. > > > > In this case I get: > > axg-sound-card sound: CPU capture is available but Codec capture is not (be.dai-link-6) Please update Codec driver > > > > I don't think this is right. > > Hmm..., I'm confusing > Does it mean you want to use "playback only" on it ? > If so, did you get below warning too ? > "both playback/capture are available, but not using playback_only flag (%s)\n", > > If not, can you please fill below ? > > Card > dpcm_playback = (0 or 1) > dpcm_capture = (0 or 1) > playback_only = (0 or 1) > capture_only = (0 or 1) > BE.CPU > playback = (available, not available) > capture = (available, not available) > BE.Codec > playback = (available, not available) > capture = (available, not available) > Expect > playback = (available, not available) > capture = (available, not available) I need feedback from you, it is still not clear for me. But I noticed that we want to update below. I'm happy if it can solve your issue. - if (has_playback && !has_playback_both) + if (has_playback && !has_playback_both && !dai_link->capture_only) dev_warn(rtd->card->dev, ...) - if (has_capture && !has_capture_both) + if (has_capture && !has_capture_both && !dai_link->playback_only) dev_warn(rtd->card->dev, ...) Thank you for your help !! Best regards --- Renesas Electronics Ph.D. Kuninori Morimoto
