!!################################ !!ALSA Information Script v 0.5.3 !!################################ !!Script ran on: Sun May 11 15:19:25 UTC 2025 !!Linux Distribution !!------------------ Gentoo Base System release 2.17 DISTRIB_ID="Gentoo" NAME=Gentoo ID=gentoo PRETTY_NAME="Gentoo Linux" HOME_URL="https://www.gentoo.org/" SUPPORT_URL="https://www.gentoo.org/support/" BUG_REPORT_URL="https://bugs.gentoo.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: #1875 SMP PREEMPT Wed Apr 30 12:32:50 BST 2025 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.12.25-v8 Library version: 1.2.13 Utilities version: 1.2.13 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) vc4 (card 1) !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones 1 [vc4hdmi ]: vc4-hdmi - vc4-hdmi vc4-hdmi !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_bcm2835: enable_headphones=0 snd_bcm2835: enable_headphones=1 snd_bcm2835: enable_hdmi=1 snd_bcm2835: enable_hdmi=0 !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Jan 1 1970 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 5 Jan 1 1970 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 2 Jan 1 1970 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 4 Jan 1 1970 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jan 1 1970 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 1 1970 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jan 1 1970 . drwxr-xr-x 3 root root 180 Jan 1 1970 .. lrwxrwxrwx 1 root root 12 Jan 1 1970 platform-3f00b840.mailbox -> ../controlC0 lrwxrwxrwx 1 root root 12 Jan 1 1970 platform-3f902000.hdmi -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 7/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 1: vc4hdmi [vc4-hdmi], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0] Subdevices: 0/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card Headphones Card sysdefault:0 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 373 [100%] [3.73dB] [on] !!-------Mixer controls for card vc4hdmi Card sysdefault:1 'vc4hdmi'/'vc4-hdmi' Mixer name : '' Components : '' Controls : 5 Simple ctrls : 0 !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value 373 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 373 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.vc4hdmi { control.1 { iface CARD name 'HDMI Jack' value true comment { access read type BOOLEAN count 1 } } control.2 { iface PCM name 'Playback Channel Map' value.0 3 value.1 4 value.2 0 value.3 0 value.4 0 value.5 0 value.6 0 value.7 0 comment { access 'read volatile' type INTEGER count 8 range '0 - 36' } } control.3 { iface PCM name 'IEC958 Playback Mask' value ffffffffffffffffffffffffffffffffffffffffffffffff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 comment { access read type IEC958 count 1 } } control.4 { iface PCM name 'IEC958 Playback Default' value '0482000200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write locked' type IEC958 count 1 } } control.5 { iface PCM name ELD value '100007006712000100000000000000004c2d6b0b543232443339300907070000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } } --endcollapse-- !!All Loaded Modules !!------------------ aes_arm64 aes_generic backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc bluetooth brcmfmac brcmutil btbcm cec cfg80211 dm_crypt dm_mod drm drm_display_helper drm_dma_helper drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic hci_uart hid_logitech_dj hid_logitech_hidpp i2c_bcm2835 ip6_tables ip6table_filter ip_tables iptable_filter ipv6 joydev libaes mc raspberrypi_gpiomem raspberrypi_hwmon rfkill snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_soc_core snd_soc_hdmi_codec snd_timer uio uio_pdrv_genirq v4l2_mem2mem vc4 vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 0.000000] alternatives: applying boot alternatives [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_headphones=0 cgroup_disable=memory snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_hdmi=0 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=/dev/mmcblk0p2 rootfstype=f2fs elevator=noop fsck.repair=yes rootwait [ 0.000000] cgroup: Disabling memory control group subsystem -- [ 9.412474] rpi-gpiomem 3f200000.gpiomem: initialised 1 regions as /dev/gpiomem [ 9.642608] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 9.652880] bcm2835-audio bcm2835-audio: card created with 8 channels [ 9.690657] smsc95xx 1-1.1:1.0 enu1u1: renamed from eth0 -- [ 11.078576] input: vc4-hdmi as /devices/platform/soc/3f902000.hdmi/rc/rc0/input10 [ 11.295302] input: vc4-hdmi HDMI Jack as /devices/platform/soc/3f902000.hdmi/sound/card1/input11 [ 11.297292] input: Logitech K400 as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.4/1-1.4:1.2/0003:046D:C52B.0003/0003:046D:4024.0004/input/input12