!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Fri Jan 13 12:09:03 UTC 2023 !!Linux Distribution !!------------------ Debian GNU/Linux 11 \n \l PRETTY_NAME="Debian GNU/Linux 11 (bullseye)" 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 !!--------------- !!Kernel Information !!------------------ Kernel release: 5.15.84-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.15.84-v8 Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_bcm2835 snd_bcm2835 !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [b2 ]: bcm2835_hdmi - bcm2835 HDMI 2 bcm2835 HDMI 2 2 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones !!PCI Soundcards installed in the system !!-------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_bcm2835: enable_compat_alsa=0 snd_bcm2835: enable_hdmi=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!Module: snd_bcm2835 enable_compat_alsa : N enable_hdmi : Y enable_headphones : Y force_bulk : N !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jan 13 22:06 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jan 13 22:06 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 64 Jan 13 22:06 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 16 Jan 13 22:06 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Jan 13 22:06 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 80 Jan 13 22:06 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Jan 13 22:06 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 13 22:06 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jan 13 22:06 . drwxr-xr-x 3 root root 220 Jan 13 22:06 .. lrwxrwxrwx 1 root root 12 Jan 13 22:06 platform-bcm2835_audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 1: b2 [bcm2835 HDMI 2], device 0: bcm2835 HDMI 2 [bcm2835 HDMI 2] Subdevices: 2/2 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 card 2: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 2/2 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card b1 Card hw:0 'b1'/'bcm2835 HDMI 1' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'HDMI',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 400 [100%] [4.00dB] [off] !!-------Mixer controls for card b2 Card hw:1 'b2'/'bcm2835 HDMI 2' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'HDMI',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 0 [96%] [0.00dB] [on] !!-------Mixer controls for card Headphones Card hw:2 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'Headphone',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 0 [96%] [0.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.b1 { control.1 { iface MIXER name 'HDMI Playback Volume' value 400 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 400 } } control.2 { iface MIXER name 'HDMI Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } } state.b2 { control.1 { iface MIXER name 'HDMI Playback Volume' value 0 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 0 } } control.2 { iface MIXER name 'HDMI Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } state.Headphones { control.1 { iface MIXER name 'Headphone Playback Volume' value 0 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 0 } } control.2 { iface MIXER name 'Headphone Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 binfmt_misc br_netfilter brcmfmac brcmutil bridge cdrom cfg80211 dm_mod drm drm_panel_orientation_quirks dwc2 fuse garp i2c_bcm2835 i2c_dev ip6_udp_tunnel ip_tables ipv6 joydev libcomposite llc mc nf_conntrack nf_conntrack_netlink nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat nft_counter nvmem_rmem overlay raspberrypi_hwmon rfkill roles rpivid_hevc sctp sg snd snd_bcm2835 snd_pcm snd_pcm_oss snd_timer spi_bcm2835 spidev sr_mod st stp udp_tunnel uio uio_pdrv_genirq v4l2_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables xfrm_algo xfrm_user xt_MASQUERADE xt_addrtype xt_conntrack zram zsmalloc zstd zstd_compress !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 483840 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=1920 bcm2708_fb.fbheight=1080 bcm2708_fb.fbswap=1 smsc95xx.macaddr=E4:5F:01:F0:CC:B3 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=ab161ae6-02 rootfstype=ext4 fsck.repair=yes rootwait modules-load=dwc2,libcomposite [ 0.000000] Unknown kernel command line parameters "modules-load=dwc2,libcomposite", will be passed to user space. -- [ 8.286830] rpivid feb10000.codec: Device registered as /dev/video19 [ 8.299861] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 8.305885] bcm2835_audio bcm2835_audio: card created with 4 channels !!Packages installed !!-------------------- ii alsa-tools 1.2.2-1 arm64 Console based ALSA utilities for specific hardware ii alsa-tools-gui 1.2.2-1 arm64 GUI based ALSA utilities for specific hardware ii alsa-topology-conf 1.2.4-1 all ALSA topology configuration files ii alsa-ucm-conf 1.2.4-2 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.4-1 rpt1 arm64 Utilities for configuring and using ALSA