!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sun Dec 10 15:03:31 UTC 2023 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 6.1.63-v8 Operating System: GNU/Linux Architecture: aarch64 Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k6.1.63-v8 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [Headphones ]: bcm2835_headpho - 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_headphones=0 snd_bcm2835: enable_headphones=1 snd_bcm2835: enable_hdmi=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_hdmi : Y enable_headphones : Y force_bulk : N num_channels : 8 !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 3 Dec 10 18:21 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 2 Dec 10 18:21 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Dec 10 18:20 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Dec 10 18:21 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Dec 10 18:21 . drwxr-xr-x 3 root root 140 Dec 10 18:21 .. lrwxrwxrwx 1 root root 12 Dec 10 18:21 platform-bcm2835_audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 8/8 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 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -87 [95%] [-0.87dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value -87 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -87 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module uinput rfcomm veth xt_MASQUERADE nf_conntrack_netlink xfrm_user xfrm_algo xt_addrtype br_netfilter bridge tun overlay cmac aes_arm64 aes_generic bnep xt_state xt_conntrack xt_tcpudp nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 8021q garp nft_compat stp llc nf_tables nfnetlink vc4 snd_soc_hdmi_codec drm_display_helper cec drm_dma_helper drm_kms_helper v3d gpu_sched drm_shmem_helper drm brcmfmac hci_uart btbcm brcmutil bluetooth snd_soc_core cfg80211 drm_panel_orientation_quirks rpivid_hevc ecdh_generic ecc rfkill raspberrypi_hwmon libaes bcm2835_codec bcm2835_v4l2 videobuf2_vmalloc bcm2835_isp bcm2835_mmal_vchiq v4l2_mem2mem videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common raspberrypi_gpiomem videodev snd_compress snd_bcm2835 snd_pcm_dmaengine vc_sm_cma snd_pcm mc snd_timer snd fb_sys_fops syscopyarea sysfillrect sysimgblt backlight nvmem_rmem uio_pdrv_genirq uio ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1009408 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_headphones=0 snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 clk_ignore_unused smsc95xx.macaddr=DC:A6:32:AD:16:73 vc_mem.mem_base=0x3f000000 vc_mem.mem_size=0x3f600000 console=ttyS0,115200 console=tty1 root=PARTUUID=77f5f47b-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 4.985100] [vc_sm_connected_init]: failed to initialize shared memory service [ 4.986049] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 5.052612] videodev: Linux video capture interface: v2.00 -- [ 6.388607] [drm] Initialized v3d 1.0.0 20180419 for fec00000.v3d on minor 0 [ 6.669562] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 6.669606] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4])