On Sat, Oct 20, 2018 at 5:30 PM <[email protected]> wrote: > > Hi, > > Sorry to step in the discussion, but are there any updates on this? Where can > one track the progress on this issue?
The fix for this was merged and is in the final 4.19 release. ChenYu > Best, > Nicolas > > Le mercredi 8 août 2018 10:00:00 UTC, Chen-Yu Tsai a écrit : >> >> Hi, >> >> On Sun, Jun 10, 2018 at 1:46 AM, Markus Mitsch >> <[email protected]> wrote: >> > hi. >> > >> > i posted my answer wrong so here is my finding: >> > i made the output work by disabling the sigma delta modulation. >> > after compiling the kernel i can output through spdif with any rate. >> >> So it seems that the default mid-level bias current setting for PLL2 >> interferes with sigma-delta modulation. Similarly, the VCO bias setting >> also interferes. >> >> Try zeroing out bits 16 ~ 25 in the PLL2 tuning register (0x01c2000c) >> with sigma delta on, and see if that fixes things. >> >> I'll send out a patch later. >> >> ChenYu >> >> > greetings >> > markus >> > >> > 2018-05-26 18:38 GMT+02:00 Markus Mitsch <[email protected]>: >> >> 2018-05-26 16:57 GMT+02:00 Markus Mitsch <[email protected]>: >> >>> 2018-05-23 17:12 GMT+02:00 Code Kipper <[email protected]>: >> >>>> Hi All, >> >>>> I can see that the problem was introduced somewhere here >> >>>> >> >>>> DOESN'T WORK >> >>>> ffc3eb6f3a83 Merge tag 'sunxi-clk-for-4.15' of >> >>>> https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into >> >>>> clk-next >> >>>> ae74ac082886 Merge tag 'clk-v4.15-exynos-pm' of >> >>>> git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk into >> >>>> clk-next >> >>>> faa865f18cb7 Merge tag 'clk-v4.15-samsung' of >> >>>> git://git.kernel.org/pub/scm/linux/kernel/git/snawrocki/clk into >> >>>> clk-next >> >>>> f09a6b86fdae Merge tag 'clk-renesas-for-v4.15-tag1' of >> >>>> git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers >> >>>> into clk-next >> >>>> 4328a2186e51 clk: sunxi-ng: sun4i: Export video PLLs >> >>>> 553c7d5ba2fe clk: sunxi-ng: Add A83T display clocks >> >>>> 7679eb20353d clk: samsung: Add a separate driver for Exynos4412 ISP >> >>>> clocks >> >>>> 8ca8ac102484 clk: samsung: Add dt bindings for Exynos4412 ISP clock >> >>>> controller >> >>>> 75920aac275a clk: samsung: Instantiate Exynos4412 ISP clocks only when >> >>>> available >> >>>> 24ea78a09f89 clk: sunxi-ng: sun8i: a23: Use sigma-delta modulation for >> >>>> audio PLL >> >>>> ee6501d69217 clk: sunxi-ng: sun6i: Use sigma-delta modulation for audio >> >>>> PLL >> >>>> 042f7f8f9715 clk: sunxi-ng: sun5i: Use sigma-delta modulation for audio >> >>>> PLL >> >>>> de3448519194 clk: sunxi-ng: sun4i: Use sigma-delta modulation for audio >> >>>> PLL >> >>>> a5e3e2b2ef85 clk: sunxi-ng: sun8i: h3: Use sigma-delta modulation for >> >>>> audio PLL >> >>>> 392ba5fafcdf clk: sunxi-ng: nm: Add support for sigma-delta modulation >> >>>> 05d2eaac96d4 clk: sunxi-ng: Add sigma-delta modulation support >> >>>> 4cdbc40d64d4 clk: sunxi-ng: nm: Check if requested rate is supported >> >>>> by fractional clock >> >>>> d51fe3ba9773 clk: sunxi-ng: sun5i: Fix bit offset of audio PLL >> >>>> post-divider >> >>>> 4e8975cbb516 clk: samsung: exynos5433: mark PM functions as >> >>>> __maybe_unused >> >>>> a4f21e9ceb5c clk: samsung: Remove obsolete clkdev alias support >> >>>> 45d882daf88a clk: samsung: Add explicit MPLL, EPLL clkdev aliases in >> >>>> S3C2443 driver >> >>>> cd05417f728b clk: samsung: Rework clkdev alias handling in S3C2443 >> >>>> driver >> >>>> efea8d377184 clk: samsung: Rework clkdev alias handling in Exynos5440 >> >>>> driver >> >>>> 36ba48240b19 clk: samsung: Drop useless alias in Exynos5420 clk driver >> >>>> 29964890f31c clk: samsung: Remove clkdev alias support in Exynos5250 >> >>>> clk driver >> >>>> 6de08891c896 clk: samsung: Remove double assignment of CLK_ARM_CLK in >> >>>> Exynos4 driver >> >>>> 58f4a5ff3a62 clk: samsung: Remove clkdev alias support in Exynos4 clk >> >>>> driver >> >>>> c9194fb623b0 clk: samsung: Remove support for obsolete Exynos4212 CPU >> >>>> clock >> >>>> d5cd103b06f9 clk: samsung: Remove support for Exynos4212 SoCs in >> >>>> Exynos CLKOUT driver >> >>>> 7c4f63ec94a1 clk: sunxi-ng: a83t: Fix invalid csi-mclk mux offset >> >>>> WORKS >> >>>> 0a4e632b6f9d Merge branch 'clk-fixes' into clk-next >> >>>> >> >>>> BR, >> >>>> CK >> >>>> >> >>>> >> >>>> On 22 May 2018 at 21:27, Code Kipper <[email protected]> wrote: >> >>>>> Hi Markus, >> >>>>> I've been able to reproduce this on my A31 board with linux-next(plays >> >>>>> at 44100 but not at 96K)so it is an issue. I also tested the same code >> >>>>> on my A64 and it worked fine, The blocks are very similar so it maybe >> >>>>> a clocking issue, I'll look into this. >> >>>>> BR, >> >>>>> CK >> >>>>> >> >>>>> On 21 May 2018 at 20:17, Markus Mitsch <[email protected]> >> >>>>> wrote: >> >>>>>> 2018-05-21 15:17 GMT+02:00 Maxime Ripard <[email protected]>: >> >>>>>>> On Mon, May 21, 2018 at 02:43:55PM +0200, Markus Mitsch wrote: >> >>>>>>>> 2018-05-21 11:43 GMT+02:00 Markus Mitsch >> >>>>>>>> <[email protected]>: >> >>>>>>>> >>> Hello, >> >>>>>>>> >>> >> >>>>>>>> >>> i have a new problem. if i want to output sound from optical i >> >>>>>>>> >>> get >> >>>>>>>> >>> distorted sound. At 44.1 khz its like an old vinly, but at 48 >> >>>>>>>> >>> khz and >> >>>>>>>> >>> higher it is very bad. thanks in advance for your time. >> >>>>>>>> > >> >>>>>>>> >> Hi Markus, >> >>>>>>>> >> I haven't tested it for a while but when I did it worked as high >> >>>>>>>> >> as >> >>>>>>>> >> 96K with no issues. Does it work ok with the original cubietruck >> >>>>>>>> >> software?, >> >>>>>>>> >> CK >> >>>>>>>> > >> >>>>>>>> > Hello, >> >>>>>>>> > i am using arch linux with mainline kernel 4.16.8. parhaps i can >> >>>>>>>> > try >> >>>>>>>> > today with official image. >> >>>>>>>> > mfg >> >>>>>>>> >> >>>>>>>> Hi. >> >>>>>>>> So, with debian image from 2014 with 3.4.79 kernel the sound is >> >>>>>>>> clear >> >>>>>>>> up to 96 khz. >> >>>>>>> >> >>>>>>> You said that it is a new problem, when was it introduced? Could you >> >>>>>>> bisect the issue? >> >>>>>>> >> >>>>>>> Maxime >> >>>>>> >> >>>>>> Hello. >> >>>>>> I dont know since when this problem appears. When saying "new" i >> >>>>>> refered to my older post. I tried to look into the dts file and the >> >>>>>> code >> >>>>>> but i am afraid this is a bit too high for me. I can say that the >> >>>>>> analog output works, even at high sampling rates. >> >>>>>> And I have read something about a clock source could be the problem. >> >>>>>> I'm sorry I can't tell you any more. >> >>>>>> >> >>>>>> mfg >> >>>>>> Markus >> >>> >> >>> Hello, >> >>> i tried undoing part of the commit >> >>> de3448519194 clk: sunxi-ng: sun4i: Use sigma-delta modulation for audio >> >>> PLL >> >>> by setting the value for the divider from 1 to 4 again on both places. >> >>> with no success. >> >>> >> >>> markus >> >> >> >> i now had a little success. the output works!! >> >> i disabled the sigma-delta support by making >> >> ccu_sdm_helper_enable in drivers/clk/sunxi-ng/ccu_sdm.c return >> >> imediately. >> >> >> >> markus > > -- > 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. -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. 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