!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Jan 5 17:37:01 UTC 2021 !!Linux Distribution !!------------------ eth0: fe80::63c5:8643:4248:ce96 ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.4.79-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.4.79-v7l Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headphonbcm2835 Headphones - bcm2835 Headphones bcm2835 Headphones !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!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 !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jan 5 18:23 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Jan 5 18:23 /dev/snd/pcmC0D0p crw-rw---- 1 root 18 116, 1 Jan 5 14:06 /dev/snd/seq crw-rw---- 1 root 18 116, 33 Jan 5 18:23 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jan 5 13:53 . drwxr-xr-x 3 root root 140 Jan 5 13:53 .. lrwxrwxrwx 1 root root 12 Jan 5 18:23 platform-bcm2835_audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type asym playback.pcm { type plug slave.pcm "output" } capture.pcm { type plug slave.pcm "input" } } pcm.output { type hw card 1 } ctl.!default { type hw card 1 } !!System wide config file (/etc/asound.conf) pcm.!default { type pulse } ctl.!default { type pulse } #pcm.!default "bluealsa" #ctl.!default "bluealsa" #defaults.bluealsa.interface "hci0" #defaults.bluealsa.device "32:54:03:BB:CC:28" #defaults.bluealsa.profile "a2dp" !!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 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card 0 [Headphones] Card hw:0 '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.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 !!------------------ Module algif_hash aes_arm_bs crypto_simd cryptd algif_skcipher af_alg rfcomm veth xt_nat xt_tcpudp xt_conntrack xt_MASQUERADE nf_conntrack_netlink nft_counter xt_addrtype nft_compat nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables nfnetlink br_netfilter bridge overlay cmac bnep hci_uart btbcm bluetooth ecdh_generic ecc 8021q garp stp llc quota_v2 quota_tree brcmfmac brcmutil vc4 cec v3d sha256_generic libsha256 gpu_sched drm_kms_helper sg cfg80211 rfkill raspberrypi_hwmon drm bcm2835_isp bcm2835_codec bcm2835_v4l2 v4l2_mem2mem drm_panel_orientation_quirks bcm2835_mmal_vchiq videobuf2_dma_contig videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common snd_soc_core snd_bcm2835 videodev snd_compress snd_pcm_dmaengine mc vc_sm_cma snd_pcm snd_timer snd syscopyarea sysfillrect sysimgblt fb_sys_fops rpivid_mem uio_pdrv_genirq uio nfsd ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 515328 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 smsc95xx.macaddr=DC:A6:32:CF:6E:C1 vc_mem.mem_base=0x3f000000 vc_mem.mem_size=0x3f600000 console=ttyS0,115200 console=tty1 root=PARTUUID=d2021fd0-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) -- [ 5.206063] [vc_sm_connected_init]: failed to initialize shared memory service [ 5.217641] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 5.235344] videodev: Linux video capture interface: v2.00 -- [ 5.716622] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.730106] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 5.730243] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])