[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-05-07 Thread Hui Wang
** Package changed: alsa-driver (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-27 Thread Hui Wang
Please install this testing kernel and test it. thx. https://people.canonical.com/~hwang4/lp1925057/ Download all deb, sudo apt install *.deb -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-21 Thread Hui Wang
OK, thanks, let me ask for help from realtek side to explain the #9. thx. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1925057 Title: [82A1, Realtek ALC287,

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-21 Thread Gluttton
> So if only run below commands, does the audio become good or not? Yes, I confirm that the following lines are enough to make audio good: sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x08 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x4ab7 -- You received this bug notification

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-20 Thread Hui Wang
So if only run below commands, does the audio become good or not? sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x08 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x4ab7 Or could you do a test to find the minimal group of commands to make the audio change normal? -- You received this

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-20 Thread Gluttton
Please, see below testing results. sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x78 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x003e // bad sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x77 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x0015 // bad sudo hda-verb

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-20 Thread Hui Wang
When problem happens, please run each group of SET_COEF_INDEX and SET_PROC_COEF, then test if the audio changes normal or not: sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x78 sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x003e // test if audio changes normal or not sudo hda-verb

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-20 Thread Gluttton
** Attachment added: "alsa-info-good.txt.yy9imLvHvj" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1925057/+attachment/5490137/+files/alsa-info-good.txt.yy9imLvHvj -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-20 Thread Gluttton
** Attachment added: "alsa-info-bad.txt.k4EOeiWnvC" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1925057/+attachment/5490136/+files/alsa-info-bad.txt.k4EOeiWnvC -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-20 Thread Gluttton
Please find the requested output attached. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1925057 Title: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts

[Touch-packages] [Bug 1925057] Re: [82A1, Realtek ALC287, Speaker, Internal] Underruns, dropouts or crackling sound

2021-04-19 Thread Hui Wang
when problems happens, please run: $sudo sh -c 'echo 1 > /sys/module/snd_hda_codec/parameters/dump_coef' Then run alsa-info to collect an alsa-info.txt (bad) Then poweroff the machine and poweron it, make sure the audio works normally, run: $sudo sh -c 'echo 1 >