On Mon, May 2, 2016 at 4:30 PM, Petr Kulhavy <brain@xxxxxxxx> wrote:
> Mine plays at the correct speed. For the correct speed the clock assignment
> from the Freescale DTS needs to be copied, so that the SAI2 clock generates
> 12.288MHz.
> Below are the relevant nodes from my DTS:
>
> &clks {
> assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
> assigned-clock-rates = <786432000>;
> };
That was the part I was missing, thanks!
It plays correctly now, but I get this error message from the wm8960 driver:
$ aplay /home/clarinet.wav
[ 55.007221] wm8960 1-001a: failed to configure clock
[ 55.012583] wm8960 1-001a: ASoC: Failed to prepare bias: -22
Do you see this too?
>> 2. Find a proper way to enable MCLK.
>>
>
> I would tend to put the control of the SAIx_MCLK_DIR into the SAI driver and
> if needed add an extra boolean property like "enable-mclk-output".
Yes, I think this makes sense.
I will propose some patches today or tomorrow and will keep you on Cc.
Thanks for the cooperation :-)
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