[PATCH 2/6] clk: sunxi-ng: a83t: Fix audio PLL divider offset

Maxime Ripard maxime.ripard at free-electrons.com
Mon May 22 00:45:27 PDT 2017


On Mon, May 22, 2017 at 03:35:57PM +0800, Chen-Yu Tsai wrote:
> On Mon, May 22, 2017 at 3:20 PM, Maxime Ripard
> <maxime.ripard at free-electrons.com> wrote:
> > On Mon, May 22, 2017 at 02:25:48PM +0800, Chen-Yu Tsai wrote:
> >> The divider of the audio PLL has an offset of 1.
> >> Fix this in the driver.
> >>
> >> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> >
> > Applied, thanks!
> 
> So even with this patch applied, the audio is still slow and off pitch.
> It's even worse without this patch...
> 
> Maybe it's time we added a special class of clks for the audio PLL
> to deal with sigma-delta modulation of the divider?

I'm not sure how feasible that would be and what it would look like,
but you can give it a shot yes.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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