Re: [PATCH V2 0/2] Sound support for Exynos4412 Odroid X2, U3 board

[Daniel Drake <drake@endlessm.com>]

On Mon, Jun 23, 2014 at 5:32 PM, Sylwester Nawrocki
<s.nawrocki@samsung.com> wrote:
> I could reproduce such behaviour on the U3 board, but only with u-boot
> which sets the MPLL clock frequency (fout_mpll) to 880 MHz, rather
> than 800 MHz, which was the case in my original environment.
> All fout_mpll child clocks have then different frequency values
> in both cases.
> It's a bit strange though, because frequencies of all the audio
> subsystem clocks seem to be same anyway:

I'm using the standard uboot from hardkernel.

> # cat /sys/kernel/debug/clk/clk_summary

This command makes the kernel totally hang, weird.

# speaker-test -c 2 -t wav -l 2 -p 1024

This plays back fine.

Could it be a problem with the samsung-i2s driver, not correctly
flushing at the right times?
Or do you think the problem is more likely to be clock-related?

Thanks
Daniel