Made a little progress: headphones work with
/etc/modprobe.d/alsa-base.conf:
options snd-hda-intel model=mono-speakers
Volume is loud and clear, in stereo!
alsa-info.sh output is attached with coefficients. Headphones were not
plugged in at that time to keep the diffs to a minimum.
**
Using options snd-hda-intel model=headset-mode-no-hp-mic
Result:
Headphones: very very quiet
Internal speakers: Nothing
Alsa-info is attached.
Thank you.
** Attachment added: "alsa-info-with-coefficients-headset-mode-no-hp-mic.txt"
In the last few days, I've tried a few more things (incl. re-installing
alsa, pulseaudio multiple times), but still have the same issue:
headphones are extremely quiet, and nothing coming out of the internal
speakers. The alsa-info with coefficients is attached.
Thanks for looking.
**
Public bug reported:
I've been googling this issue for 10's of hours and tried many things.
Relase of Ubuntu: 19.10
Expected outcome: Music plays on the internal speakers and headphones.
Actual outcome: I can barely hear audio using headphones with volume
turned up to 150%. Absolutely nothing
dmesg output attached from #21, step 2)
** Attachment added: "dmesg.txt"
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1851518/+attachment/5305171/+files/dmesg.txt
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Install the testing kernel and reboot,
Couldn't boot after installing all 3 .deb's:
error: /boot/vmlinuz-5.3.0.23.25+samsung-test-generic has invalid signature
error: you need to load the kernel first
Press any key to
Hi,
1) Steps:
- Removed the option model=
- Rebooted
- turned off Secure Boot and booted with your test kernel.
Result:
No sound from speakers.
Very very quiet headphones.
2) Steps:
sudo set-coeff.sh
sudo su
echo 1 > /sys/module/snd_hda_codec/parameters/dump_coef
Result:
No sound from
Attachment to #17 was incorrect (forgot to turn on coefficients)
Attached is alsa-info with coefficients.
** Attachment added: "alsa-info-dell-headset3-with-coefficients.txt"
>>
nd If you have time, please redo the test of #10, after finishing all commands,
please generate an alsa-info.txt-with-coeff, let us check if all those commands
successfully executed.
<<<
Option: dell-headset3
Headphone works,
>
please verify that both speaker and headphone work well under windows, then
using this tool to collect a log under windows, the log is a useful reference
for linux.
<
Output attached; looks like this might be helpful to get the speakers to
work.
Thank
Same problem as OP under Ubuntu 19.10. I also tried Ubuntu 18.04, and
Clear Linux with 5.3.8 kernel.
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1851518
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<<<
Ah, please test model=dell-headset3, it should work.
And please also add options snd-hda-codec-realtek dyndbg, then boot the
system without the headphone plugged.
after boot up, plug headphone, and test if it works well. If it works well,
please upload the dmesg.
Hi,
I was surprised, but none of these settings helped. Mode was set originally to
options snd-hda-intel model=headset-mode-no-hp-mic
sudo hda-verb /dev/snd/hwC0D0 0x20 SET_COEF_INDEX 0x8e
sudo hda-verb /dev/snd/hwC0D0 0x20 SET_PROC_COEF 0x20
//check if headphone can output sound normally?
FYI: I just re-tested with model=mono-speakers, and there the headhpone
output likewise does not change for any of the above settings: it works
great the entire time.
Thanks,
Martin
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