On Thu, Sep 06, 2018 at 09:25:37PM +0800, Chen-Yu Tsai wrote:
> The default mid-level PLL bias current setting interferes with sigma
> delta modulation. This manifests as decreased audio quality at lower
> sampling rates, which sounds like radio broadcast quality, and
> distortion noises at sampling rates at 48 kHz or above.
>
> Changing the bias current settings to the lowest gets rid of the
> noise.
>
> Fixes: de3448519194 ("clk: sunxi-ng: sun4i: Use sigma-delta modulation
> for audio PLL")
> Cc: <[email protected]> # 4.15.x
> Signed-off-by: Chen-Yu Tsai <[email protected]>Applied, thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
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