alsa-ucm-conf (1.2.4-1) unstable; urgency=medium
* New upstream release.
* Update Standards-Version to 4.5.1, with no changes needed.
-- Jordi Mallach Mon, 07 Dec 2020 22:13:23 +0100
** Changed in: alsa-ucm-conf (Ubuntu)
Status: In Progress => Fix Released
** Summary changed:
-
** Also affects: oem-priority
Importance: Undecided
Status: New
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Title:
[SRU]No sound from internal card chtmax98090 - missing
Updated work around for Focal Fossa 20.04.1
1: to install alsa-ucm-conf_1.2.3-1_all.deb from Debian Snapshots (link
di download:
https://snapshot.debian.org/archive/debian/20200820T205846Z/pool/main/a
/alsa-ucm-conf/alsa-ucm-conf_1.2.3-1_all.deb)
Tested on Xubuntu 20.04.1 kernel 5.4.0-58-generic
Updated work around for Focal Fossa 20.04.1
1: to install linux-generic-hwe-20.04-edge from the official repo
2: to install alsa-ucm-conf_1.2.3-1_all.deb from Debian Snaphots (link di
download:
** Tags removed: dist-upgrade
** Tags added: patch
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Title:
[SRU]No sound from internal card chtmax98090 - missing UCM2 files in
In my case volume levels are good on both 20.10 and 20.04.
Consider that the alsa-ucm-conf parameters upstream for chtmax98090 are based
on my hardware.
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I installed 20.10 on my Dell Chromebook 3120 and then installed alsa-
ucm-conf from https://packages.debian.org/testing/alsa-ucm-conf and got
working sound. (Thanks for the tips @Gabirele)
The volume was very low initially and i had to use alsamixer to increase
it. But even after i increase the
@Hui
Ok thanks for the info.
I'm not able to patch the current groovy source package and compile it, I
cannot test the patch in advance.
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@Gbriele,
After the #41 is merged, the sound will work in the 20.10.
And also maybe we should upgrade the alsa-ucm-conf to 1.2.3 in the
20.10.
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@Hui
I updated today to 20.10 and tested.
With the official alsa-ucm-conf 1.2.2 and with the official kernel the
sound works. However I needed to use alsamixer manually to manage the
volume levels when plugging in and out the headset jack.
I didn't find a Groovy build of the testing 1.2.2 in
@Mathi
Test it: if you add Hui's ppa it should work out of the box.
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Title:
[SRU]No sound from internal card chtmax98090 - missing UCM2
Since the sound works fine with 5.8 kernel, is it a possibility to have
this fix pushed in groovy first so that when it is released it contains
the fix?
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@Hui
I reinstalled the mainline 5.6.0 and 5.7.0 rc1.
First, I confirm the report 5.6.0 sound working, 5.7.0 rc1 sound not working.
Second I diffed the output of amixer -c1 for the two kernels: no difference at
all.
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@Hui
I'm not able to "bisect the kernel".
amixer settings: ok I'll do it later.
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Title:
[SRU]No sound from internal card chtmax98090 -
BTW, the audio depends on the amixer to be set correctly since it uses
the ucm. Could you please compare the output of "amixer -c1 contents"
with 5.6.0 and 5.7.0-rc1?
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@Gabriele,
I have no idea since there is no big difference on drivers for this
platform between 5.6.0 and 5.7.0-rc1.
If you could bisect the kernel to find which commits are necessary, it
would be helpful.
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@Hui
I repeated the test. I'm afraid I did a mistake in reporting the test
results.
mainline 5.7 rc1: sound not working (the sound emitted is not intelligible,
it's like an infinite echo loop)
mainline 5.6.0: sound working, Skype test not possible because wifi connection
is not working
When
@Gabriele,
"mainline 5.6.0 sound not working", does it mean it has the issue of
garbled/crackling when plugging/unplugging?
I compared the codecs/platform/machine drivers between 5.6 and 5.7-rc1,
no big difference. I have no idea what makes 5.7-rc1 work.
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@Hui
mainline 5.6.0 sound not working
mainline 5.7 rc1: sound working, Skype test not possible because wifi
connection is not working
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Then 5.6 and 5.7-rc1
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.6/
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.7-rc1/
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@Hui
Sound is working well on both mainline 5.7.0 and 5.8 rc1
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Title:
[SRU]No sound from internal card chtmax98090 - missing UCM2 files
I guess the groovy kernel will work fine.
Could you please test standard kernel v5.7 and v5.8-rc1?
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.7/
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.8-rc1/
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@Hui
I did a new round of test.
1. purged alsa-ucm-conf and installed alsa-ucm-conf
1.2.2-1ubuntu0.4.1+test from your ppa
2. tested sound on 4 kernels
a. mainline generic 5.8.13 and 5.6.19: sound is working fine, Skype echo
test included, headset jack plugging and unplugging are managed
This is the debdiff for groovy.
thx.
** Summary changed:
- No sound from internal card chtmax98090 - missing UCM2 files in alsa-ucm-conf
1.2.2, available in alsa-ucm-conf 1.2.3
+ [SRU]No sound from internal card chtmax98090 - missing UCM2 files in
alsa-ucm-conf 1.2.2, available in
This is the debdiff for focal.
thx
** Patch added: "alsa-ucm-conf_1.2.2-1ubuntu0.5.debdiff"
https://bugs.launchpad.net/ubuntu/+source/alsa-ucm-conf/+bug/1871306/+attachment/5419839/+files/alsa-ucm-conf_1.2.2-1ubuntu0.5.debdiff
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