How to enable SPORT as Clock Master in SC-594 ALSA driver

Question

Hi, 
 the current ALSA driver for SPORT/I2S4 just support slave mode, so clock and frame sync are generated externally by the audio codec. 
 How do I enable CBS_CFS mode so the SPORT becomes clock and framesync master ? 
 
 Regards, 
 Sebastian

swendt · Accepted Answer

I have solved it by adding 
 
 case SND_SOC_DAIFMT_CBS_CFS: param.spctl |= (SPORT_CTL_ICLK | SPORT_CTL_IFS); param.div = ((8*sport->wdsize)-1)<<16; param.div |= (16-1); //TODO: ADapt to sample rate and sys clkj printk("SPORT CLK DIV: %08X
",param.div); 
 
 to 
 
 sc5xx_dai_set_dai_fmt)

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How to enable SPORT as Clock Master in SC-594 ALSA driver