Rander Wang

Thanks, captured ````c [ 768.707985] dai: dai_get: dai_get: failed to get dai with index -7 type 4 [ 768.707996] dai_comp: dai_common_new: comp:1 0x10004 dai_new(): dai_get() failed to create DAI. [...

@bardliao the alh dai index sent by host kernel is 0, and it is decreased with IPC4_ALH_DAI_INDEX_OFFSET in FW, so got -7, can you help to check it ? or...

> @bardliao @RanderWang I have no idea what this index of 7 refers to, > > I also don't know why this would be specific to TGL, if there was...

The reason is a little tricky. Headphone and Deepbuffer share the same BE (dai-copier), when Headphone stream is being closed and Deepbuffer is being set up, the error will happen....

Why we can't rely on use_count to share the sof widget between HPD & Deepbuffer stream ? The problem is that: we set up widget list in hw_params function but...

ipc4_ssp_dma_control is optional configuration parameters, and it is not supported by both kernel & FW (include zephyr part). In FW it will be checked with ````c i2s_dma_control_size = blob config...

@plbossart Current blob maybe has included the "union ipc4_ssp_dma_control i2s_dma_control[];". In driver log, I found the blob includes more after normal SSP setting, very likely that it is for i2s_dma_control....

@juimonen please help to review it. Thanks!

Let's do it first in topology. I found something incorrect in yong's test topology

NO need now. Close it