!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Thu Oct 28 00:06:47 UTC 2021 !!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: 5.10.63-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.10.63-v8 Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_bcm2835 !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [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 !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Oct 27 18:56 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Oct 27 18:56 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Oct 27 18:56 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Oct 27 18:56 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Oct 27 18:56 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Oct 27 18:56 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Oct 27 18:56 . drwxr-xr-x 3 root root 180 Oct 27 18:56 .. lrwxrwxrwx 1 root root 12 Oct 27 18:56 platform-bcm2835_audio -> ../controlC1 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type plug slave.pcm { type hw card 0 device 0 } } ctl.!default { type hw card 0 } !!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: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 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 Headphones Card hw:1 '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.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 !!------------------ aes_neon_blk aes_neon_bs af_alg algif_hash algif_skcipher backlight bluetooth bnep br_netfilter brcmfmac brcmutil bridge btbcm cdrom cec cfg80211 chacha_neon cryptd crypto_simd drm drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic fb_sys_fops fuse gpu_sched hci_uart hid_logitech_dj hid_logitech_hidpp ip6_udp_tunnel ip_tables ipv6 isofs joydev libblake2s libblake2s_generic libchacha libchacha20poly1305 libcurve25519_generic llc nf_conntrack nf_conntrack_netlink nf_defrag_ipv4 nf_defrag_ipv6 nf_nat nf_tables nfnetlink nft_chain_nat nft_compat nft_counter nls_utf8 nvmem_rmem overlay poly1305_neon raspberrypi_hwmon rfkill rpivid_mem sg sha256_generic snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_soc_core snd_timer sr_mod stp syscopyarea sysfillrect sysimgblt tun udp_tunnel uio uio_pdrv_genirq v3d vc4 vc_sm_cma wireguard x_tables xt_MASQUERADE xt_addrtype xt_comment xt_conntrack !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1983236 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=1 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 video=HDMI-A-1:1920x1080M@60 smsc95xx.macaddr=DC:A6:32:E1:A1:67 vc_mem.mem_base=0x3eb00000 vc_mem.mem_size=0x3ff00000 root=PARTUUID=8b0ac6f5-02 rootfstype=ext4 rootwait fsck.repair=yes net.ifnames=0 logo.nologo quiet console=ttyS0,115200 console=tty1 [ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) -- [ 3.175122] [vc_sm_connected_init]: installed successfully [ 3.176836] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.184278] bcm2835_audio bcm2835_audio: card created with 4 channels !!Packages installed !!-------------------- ii alsa-utils 1.2.4-1 rpt1 arm64 Utilities for configuring and using ALSA