On Fri, Mar 16, 2012 at 01:07:03PM +0900, Tomoya MORINAGA wrote: > On Thu, Mar 15, 2012 at 7:50 PM, Mark Brown > > That means "Codec bit clock master frame clock slave".  Are you sure > > that's what you want? > Let me clarify the above. > Does the above "frame clock" mean "data line" of I2S? > If yes, I should have used 'SND_SOC_DAIFMT_CBS_CFS'. No, it means the clock which runs at sample rate (usually called the frame clock or LRCLK).