BUGREP No hardware speaker volume control on ALC287 (Lenovo Yoga, Ubuntu 25.10): master/sink volume has no effect
Hardware: - Laptop: Lenovo Yoga (AMD APU with ALC287) - Audio: Family 17h/19h/1ah HD Audio Controller, codec Realtek ALC287 - OS: Ubuntu 25.10 (kernel 6.17.0-6-generic) - Audio stack: PulseAudio 17.0 (PipeWire audio removed)
Problem: - System master/sink volume (1–100%) does not change actual speaker loudness. - Only slight change >100% (as if a high-frequency path kicks in). - Actual audible volume changes only when per-stream volume is adjusted (e.g., `pactl set-sink-input-volume <id> ...`). - In ALSA controls there is no usable “Speaker Playback Volume”, only switches; so PA/desktop slider has no effect on internal speakers. - Reproducible after clean boot, with PulseAudio as the active server (pipewire-audio removed).
Data: - ALSA info: <ALSA_INFO_URL> - `amixer -c1 controls`: <paste output> - `amixer -c1 contents`: <paste output> - `pactl info`: <paste output> - `pactl list sinks short`: <paste output> - `pactl list sink-inputs short`: <paste output>
Expected: - Master/sink volume should control speaker loudness.
Actual: - Master/sink volume does nothing; only per-stream volume changes affect sound.
Notes: - UCM profile (HDA/HiFi) points speaker to non-existent “Speaker Playback Volume”; mapping to Bass Speaker volume locally (user UCM override) still yields minimal effect. Needs correct UCM/driver mapping for ALC287 on this platform.
s@ubunt:~/soft/Lenovo$ sudo apt install alsa-utils
# Full ALSA dump (will upload and give a URL) alsa-info.sh --upload
# Mixer controls amixer -c1 controls amixer -c1 contents
# PulseAudio state pactl info pactl list sinks short pactl list sink-inputs short [sudo: authenticate] Password: Уже установлен пакет alsa-utils самой новой версии (1.2.14-1ubuntu1). alsa-utils помечен как установленный вручную. Сводка: Обновление: 0, Установка: 0, Удаление: 0, Пропуск обновления: 4 alsa-info.sh: команда не найдена numid=15,iface=CARD,name='Headphone Jack' numid=12,iface=CARD,name='Mic Jack' numid=13,iface=CARD,name='Speaker Front Phantom Jack' numid=14,iface=CARD,name='Speaker Surround Phantom Jack' numid=11,iface=MIXER,name='Master Playback Switch' numid=10,iface=MIXER,name='Master Playback Volume' numid=5,iface=MIXER,name='Headphone Playback Switch' numid=4,iface=MIXER,name='Headphone Playback Volume' numid=19,iface=MIXER,name='Mic ACP LED Capture Switch' numid=9,iface=MIXER,name='Mic Boost Volume' numid=8,iface=MIXER,name='Capture Switch' numid=7,iface=MIXER,name='Capture Volume' numid=6,iface=MIXER,name='Auto-Mute Mode' numid=3,iface=MIXER,name='Bass Speaker Playback Switch' numid=2,iface=MIXER,name='Bass Speaker Playback Volume' numid=1,iface=MIXER,name='Speaker Playback Switch' numid=17,iface=PCM,name='Capture Channel Map' numid=16,iface=PCM,name='Playback Channel Map' numid=15,iface=CARD,name='Headphone Jack' ; type=BOOLEAN,access=r-------,values=1 : values=off numid=12,iface=CARD,name='Mic Jack' ; type=BOOLEAN,access=r-------,values=1 : values=off numid=13,iface=CARD,name='Speaker Front Phantom Jack' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=14,iface=CARD,name='Speaker Surround Phantom Jack' ; type=BOOLEAN,access=r-------,values=1 : values=on numid=11,iface=MIXER,name='Master Playback Switch' ; type=BOOLEAN,access=rw------,values=1 : values=on numid=10,iface=MIXER,name='Master Playback Volume' ; type=INTEGER,access=rw------,values=1,min=0,max=87,step=0 : values=87 numid=5,iface=MIXER,name='Headphone Playback Switch' ; type=BOOLEAN,access=rw------,values=2 : values=off,off numid=4,iface=MIXER,name='Headphone Playback Volume' ; type=INTEGER,access=rw---R--,values=2,min=0,max=87,step=0 : values=52,52 | dBscale-min=-65.25dB,step=0.75dB,mute=0 numid=19,iface=MIXER,name='Mic ACP LED Capture Switch' ; type=BOOLEAN,access=rw----W-,values=1 : values=off numid=9,iface=MIXER,name='Mic Boost Volume' ; type=INTEGER,access=rw---R--,values=2,min=0,max=3,step=0 : values=0,0 | dBscale-min=0.00dB,step=10.00dB,mute=0 numid=8,iface=MIXER,name='Capture Switch' ; type=BOOLEAN,access=rw------,values=2 : values=on,on numid=7,iface=MIXER,name='Capture Volume' ; type=INTEGER,access=rw---R--,values=2,min=0,max=63,step=0 : values=38,38 | dBscale-min=-17.25dB,step=0.75dB,mute=0 numid=6,iface=MIXER,name='Auto-Mute Mode' ; type=ENUMERATED,access=rw------,values=1,items=2 ; Item #0 'Disabled' ; Item #1 'Enabled' : values=0 numid=3,iface=MIXER,name='Bass Speaker Playback Switch' ; type=BOOLEAN,access=rw------,values=2 : values=on,on numid=2,iface=MIXER,name='Bass Speaker Playback Volume' ; type=INTEGER,access=rw---R--,values=2,min=0,max=87,step=0 : values=87,87 | dBscale-min=-65.25dB,step=0.75dB,mute=0 numid=1,iface=MIXER,name='Speaker Playback Switch' ; type=BOOLEAN,access=rw------,values=2 : values=on,on numid=17,iface=PCM,name='Capture Channel Map' ; type=INTEGER,access=r--v-R--,values=2,min=0,max=36,step=0 : values=0,0 | container | chmap-fixed=FL,FR numid=16,iface=PCM,name='Playback Channel Map' ; type=INTEGER,access=r--v-R--,values=4,min=0,max=36,step=0 : values=3,4,0,0 | container | chmap-fixed=FL,FR | chmap-fixed=FL,FR,LFE,LFE Строка сервера: /run/user/1000/pulse/native Версия протокола библиотеки: 35 Версия протокола сервера: 35 Выполняется локально: да Номер клиента: 20 Размер блока памяти: 65472 Имя пользователя: s Имя хоста: ubunt Имя сервера: pulseaudio Версия сервера: 17.0 Спецификация отсчётов по умолчанию: s16le 2-канальный 4410 Схема каналов по умолчанию: front-left,front-right Аудиоприёмник по умолчанию: alsa_output.pci-0000_04_00.6.HiFi__Speaker__sink Источник по умолчанию: alsa_input.pci-0000_04_00.6.HiFi__Mic1__source Cookie: 8342:bbd4 0 alsa_output.pci-0000_04_00.6.HiFi__Speaker__sink module-alsa-card.c s16le 2-канальный 4800 RUNNING 7 0 17 protocol-native.c float32le 2-канальный s@ubunt:~/soft/Lenovo$
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Sergii O. Uriupin