how to implement I2S slave and DSD port

[hushange]

When "playing is always blocked at 00:00" this normally means something is stuck at the audio end
----yes, you are right, the playing blocked just because i not get a stable p_dsd_clk siginal, when get statble siginal, the playing is going well.

can you un-comment the p_lrclk and p_bclk lines - I seem to recall getting the right level for lrclk and bclk is important to avoid port lockup, which is why those lines are in there.
----ok, i will un-comment the p_lrclk and p_bclk lines, but it is need to add CODEC_MASTER check for this two lines, because when xmos is i2s slave, the p_lrclk and p_bclk can't be used as output port.

many thanks to you again. here is just our pre-research for new product.
maybe there still have some difficault problems on the further design.
hope to continue get your professional guide again in the future.

[infiniteimprobability]

i will un-comment the p_lrclk and p_bclk lines, but it is need to add CODEC_MASTER check for this two lines, because when xmos is i2s slave, the p_lrclk and p_bclk can't be used as output port.

You're right.... I just remembered something from a while ago and didn't fully think it through.