Hi, On 2025-09-25 2:18 UTC, Dmitry Baryshkov wrote: >When does q6apm_lpass_dai_prepare() happen?
q6apm_lpass_dai_prepare() happens both before and after hw_params/prepare of hdmi-codec: [ 14.055198] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.067225] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.089925] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.105988] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 14.106027] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.122707] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_prepare() started [ 14.132017] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.197843] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 14.633992] msm_dpu ae01000.display-controller: [drm:adreno_request_fw] loaded qcom/a660_gmu.bin from new location [ 14.635452] [drm] Loaded GMU firmware v3.1.10 [ 15.929293] rfkill: input handler disabled [ 19.406507] qcom-soundwire 3210000.soundwire: qcom_swrm_irq_handler: SWR Port collision detected [ 19.415672] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.465864] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.581446] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.693965] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_hw_params() started [ 19.694012] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.706621] hdmi-audio-codec hdmi-audio-codec.0.auto: hdmi_codec_prepare() started [ 19.722543] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started [ 19.775071] q6apm-lpass-dais 3700000.remoteproc:glink-edge:gpr:service@1:bedais: q6apm_lpass_dai_prepare() started Best regards, Jianfeng
