!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Wed Mar 4 14:40:37 UTC 2026 !!Linux Distribution !!------------------ Debian GNU/Linux forky/sid \n \l PRETTY_NAME="Debian GNU/Linux forky/sid" NAME="Debian GNU/Linux" ID=debian HOME_URL="https://www.debian.org/" SUPPORT_URL="https://www.debian.org/support" BUG_REPORT_URL="https://bugs.debian.org/" !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!ACPI SoundWire Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: #1 PREEMPT Debian 6.18.12-1 (2026-02-17) Operating System: GNU/Linux Architecture: ppc Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k6.18.12 deb14-powerpc Library version: Utilities version: 1.2.15.2 !!Loaded ALSA modules !!------------------- snd_powermac (card 0) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Snapper ]: PMac Snapper - PowerMac Snapper PowerMac Snapper (Dev 44) Sub-frame 0 !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!Module: snd_powermac enable_beep : Y id : (null) index : -1 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/snd_powermac Tree: /sys/class/sound/card0 |-- controlC0 | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- device -> ../../../snd_powermac |-- id |-- number |-- pcmC0D0c | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- pcmC0D0p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../class/sound | `-- uevent |-- power | |-- async | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_kids | |-- runtime_active_time | |-- runtime_enabled | |-- runtime_status | |-- runtime_suspended_time | `-- runtime_usage |-- subsystem -> ../../../../../class/sound `-- uevent !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 4 Mar 4 15:37 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 3 Mar 4 15:37 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 2 Mar 4 15:38 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Mar 2 22:53 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 4 15:37 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 2 22:53 . drwxr-xr-x 3 root root 160 Mar 2 22:53 .. lrwxrwxrwx 1 root root 12 Mar 2 22:53 platform-snd_powermac -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Snapper [PowerMac Snapper], device 0: PMac Snapper [PowerMac Snapper] Subdevices: 0/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: Snapper [PowerMac Snapper], device 0: PMac Snapper [PowerMac Snapper] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Snapper Card sysdefault:0 'Snapper'/'PowerMac Snapper (Dev 44) Sub-frame 0' Mixer name : 'PowerMac Snapper' Components : '' Controls : 15 Simple ctrls : 14 Simple mixer control 'Master',0 Capabilities: pvolume pswitch Playback channels: Front Left - Front Right Limits: Playback 0 - 176 Mono: Front Left: Playback 0 [0%] [off] Front Right: Playback 0 [0%] [off] Simple mixer control 'Headphone',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Headphone Detection',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'Speaker',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Bass',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 72 Mono: 0 [0%] Simple mixer control 'Treble',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 72 Mono: 0 [0%] Simple mixer control 'PCM',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 176 Mono: Front Left: Playback 0 [0%] Front Right: Playback 0 [0%] Simple mixer control 'Mic',0 Capabilities: pvolume Playback channels: Front Left - Front Right Limits: Playback 0 - 176 Mono: Front Left: Playback 0 [0%] Front Right: Playback 0 [0%] Simple mixer control 'Beep',0 Capabilities: pvolume pvolume-joined Playback channels: Mono Limits: Playback 0 - 100 Mono: Playback 15 [15%] Simple mixer control 'Auto Mute',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'DRC',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'DRC Range',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 239 Mono: 143 [60%] Simple mixer control 'Input Source',0 Capabilities: cenum Items: 'Line' 'Mic' Item0: 'Line' Simple mixer control 'Monitor Mix',0 Capabilities: volume Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: 0 - 176 Front Left: 0 [0%] Front Right: 0 [0%] !!Alsactl output !!-------------- --startcollapse-- state.Snapper { control.1 { iface MIXER name 'Master Playback Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '0 - 176' } } control.2 { iface MIXER name 'Master Playback Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } control.3 { iface MIXER name 'PCM Playback Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '0 - 176' } } control.4 { iface MIXER name 'Mic Playback Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '0 - 176' } } control.5 { iface MIXER name 'Monitor Mix Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '0 - 176' } } control.6 { iface MIXER name 'Tone Control - Bass' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 72' } } control.7 { iface MIXER name 'Tone Control - Treble' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 72' } } control.8 { iface MIXER name 'DRC Range' value 143 comment { access 'read write' type INTEGER count 1 range '0 - 239' } } control.9 { iface MIXER name 'Input Source' value Line comment { access 'read write' type ENUMERATED count 1 item.0 Line item.1 Mic } } control.10 { iface MIXER name 'Headphone Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.11 { iface MIXER name 'Speaker Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.12 { iface MIXER name 'DRC Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.13 { iface MIXER name 'Auto Mute Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.14 { iface MIXER name 'Headphone Detection' value false comment { access read type BOOLEAN count 1 } } control.15 { iface MIXER name 'Beep Playback Volume' value 15 comment { access 'read write' type INTEGER count 1 range '0 - 100' } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q amdgpu amdxcp autofs4 b43 bcma binfmt_misc ccm cdrom cec cfg80211 configfs cordic cpufreq_ondemand crc16 crc32c_cryptoapi crc_itu_t drm drm_buddy drm_client_lib drm_display_helper drm_exec drm_kms_helper drm_panel_backlight_quirks drm_panel_orientation_quirks drm_suballoc_helper drm_ttm_helper ehci_hcd ehci_pci evdev ext4 firewire_core firewire_ohci firewire_sbp2 garp gpu_sched hfs inet_diag jbd2 libarc4 llc mac80211 mbcache mmc_core mrp nf_tables nfnetlink ohci_hcd ohci_pci pcmcia pcmcia_core qrtr rack_meter radeon rc_core rfkill sd_mod sg snd snd_pcm snd_powermac snd_timer soundcore sr_mod ssb stp sungem sungem_phy tcp_diag therm_adt746x ttm udp_diag usb_common usbcore !!ALSA/HDA dmesg !!-------------- !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.5.1-3 all ALSA topology configuration files ii alsa-ucm-conf 1.2.15.3-1 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.15.2-1 powerpc Utilities for configuring and using ALSA