Re: receiving data from mcbsp1 in master mode

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On 08/22/2012 11:19 PM, Andreas Kemnade wrote:
> if I understand the TRM correctly, according to Figure 21-26 in chapter 21.4.2.3.
> if GSYNC is set, the receiver uses the signal from the sample rate generator,
> so CLKX does not need to be the CLKR source.
> But I tried also with the DEVCONF0 MCBSP1_CLKR bit as you proposed.
> I tried
>  snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_CLKR_SRC_CLKX, 0,
>                                      SND_SOC_CLOCK_OUT);
>  snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSX, 0,
>                                      SND_SOC_CLOCK_OUT);

There is an issue with the 6pin mux code, try to add this patch:
http://mailman.alsa-project.org/pipermail/alsa-devel/2012-August/054041.html

>  That is why I send you my patch about that mux settings. But I had no success.
> The CLKX as CLKR source and FSX as FSR source setting I have only seen when
> mcbsp1 is used in slave mode. If you know any working code which uses mcbsp1 in
> master mode then let me know.

No, I don't have board which uses McBSP1.

-- 
Péter
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