* SND_SOC_DAIFMT_NB_NF meaning
@ 2008-12-17 2:27 Troy Kisky
2008-12-17 11:01 ` Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Troy Kisky @ 2008-12-17 2:27 UTC (permalink / raw)
To: alsa-devel
A quick question here. Does SND_SOC_DAIFMT_NB_NF have a standard meaning
or does it depend on what mode your in (I2S, DSP_A, right just). From
looking at the sources, SND_SOC_DAIFMT_NB_NF usually means that data is
valid on the rising BCLK and start of frame is rising edge if DSP mode.
The reason I ask, is that I'd like to pass the same flags to the codec and
the cpu_dai and have them agree with the interpretation.
Thanks
Troy
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: SND_SOC_DAIFMT_NB_NF meaning
2008-12-17 2:27 SND_SOC_DAIFMT_NB_NF meaning Troy Kisky
@ 2008-12-17 11:01 ` Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2008-12-17 11:01 UTC (permalink / raw)
To: Troy Kisky; +Cc: alsa-devel
On Tue, Dec 16, 2008 at 07:27:30PM -0700, Troy Kisky wrote:
> A quick question here. Does SND_SOC_DAIFMT_NB_NF have a standard meaning
> or does it depend on what mode your in (I2S, DSP_A, right just). From
> looking at the sources, SND_SOC_DAIFMT_NB_NF usually means that data is
> valid on the rising BCLK and start of frame is rising edge if DSP mode.
It means whatever is normal for the mode the bus is in (I2S, DSP_A and
so on) - hence the name.
> The reason I ask, is that I'd like to pass the same flags to the codec and
> the cpu_dai and have them agree with the interpretation.
That is the intention. Anything that's doing something else is buggy.
^ permalink raw reply [flat|nested] 2+ messages in thread
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2008-12-17 2:27 SND_SOC_DAIFMT_NB_NF meaning Troy Kisky
2008-12-17 11:01 ` Mark Brown
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