[Questing 25.10 — alsa-ucm-conf SRU test]
Hardware: MediaTek MT8391-EVK (Genio 720 EVK)
Tested version:
$ sudo apt-cache policy alsa-ucm-conf | grep Installed
Installed: 1.2.12-1ubuntu2.3
--- Setup ---
No official Questing image is released for MediaTek Genio devices. A
special Questing 25.10 (arm64) image was prepared exclusively for SRU
verification purposes on the MT8391-EVK hardware.
Enabled questing-proposed and installed the updated package:
$ sudo apt update
$ sudo apt install alsa-ucm-conf
--- Test 1: UCM configuration loads ---
$ alsaucm listcards
0: hw:0
mediatek-Genio720520EVKP2V3eMMCBoot-P2V3-Genio720EVKP2V3
Result: PASS
--- Test 2: ALSA device enumeration ---
UCM dump confirms all expected devices are defined:
$ alsaucm -c "mediatek-
Genio720520EVKP2V3eMMCBoot-P2V3-Genio720EVKP2V3" dump text
Devices confirmed in UCM config:
Playback: Lineout speaker (hw:mt8391evk,0), Earphone speaker
(hw:mt8391evk,0)
Capture: Digital microphone (hw:mt8391evk,2), Analog microphone
(hw:mt8391evk,3)
Jack: Headphone Jack defined for automatic switching
$ aplay -l (shows DL0..DL16 playback devices)
$ arecord -l (shows UL0..UL25 capture devices)
Result: PASS
--- Test 3: Audio playback — speakers/headphones ---
$ speaker-test -D hw:0 -c 2 -l 1
Pink noise audible through earphone combo jack (headphones connected).
Result: PASS
--- Test 4: Audio playback — headphones with jack detection ---
UCM config defines Headphone Jack with ConflictingDevices correctly.
Headphones connected to earphone combo jack; audio confirmed audible.
Result: PASS
--- Test 5: Audio capture ---
Used onboard digital microphone (UCM CapturePCM hw:mt8391evk,2).
$ arecord -D hw:0,2 -f S16_LE -r 48000 -c 2 -d 3 /tmp/test.wav
$ aplay -D hw:0,0 /tmp/test.wav
Recorded voice was audible on playback.
Result: PASS
--- Test 6: Regression check on non-MT8391 hardware ---
Installed package on a Questing 25.10 live USB (Intel PCH, ALC3239 +
Intel HDMI audio). Upgraded from 1.2.12-1ubuntu2.2 to 1.2.12-1ubuntu2.3.
$ wpctl status (after upgrade — identical to before)
Audio
├─ Devices:
│ 48. Built-in Audio [alsa]
│ 49. Built-in Audio [alsa]
├─ Sinks:
│ * 56. Built-in Audio Analog Stereo [vol: 0.40]
├─ Sources:
│ 57. Built-in Audio Analog Stereo [vol: 1.00]
All pre-existing audio devices present and functional after upgrade.
$ journalctl -b | grep -i ucm | grep -i error
(no output — no UCM errors)
Result: PASS
--- Summary ---
All tests PASSED.
Questing SRU verification complete.
Many thanks,
Tzu-Hsien Kao
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https://bugs.launchpad.net/bugs/2139651
Title:
[SRU] Add ALSA UCM support for MediaTek MT8391-EVK platform
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