!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Fri Mar 11 11:53:21 UTC 2022 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.10.103-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.10.103-v7l Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 (card 0) !!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 !!-------------------------------------- !!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 !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/bcm2835_audio Tree: !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Mar 11 11:51 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 16 Mar 11 11:51 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Mar 11 11:51 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 11 11:51 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 11 11:53 . drwxr-xr-x 3 root root 140 Mar 11 11:53 .. lrwxrwxrwx 1 root root 12 Mar 11 11:51 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 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 !!------------------ 8021q backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cec cfg80211 cmac drm drm_kms_helper drm_panel_orientation_quirks ecc ecdh_generic fb_sys_fops garp gpu_sched hci_uart ip_tables ipv6 llc mc nvmem_rmem raspberrypi_hwmon rfkill rpivid_mem snd snd_bcm2835 snd_compress snd_hwdep snd_pcm snd_pcm_dmaengine snd_rawmidi snd_seq_device snd_soc_core snd_timer snd_usb_audio snd_usbmidi_lib stp syscopyarea sysfillrect sysimgblt uio uio_pdrv_genirq uvcvideo v3d 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] Built 1 zonelists, mobility grouping on. Total pages: 964928 [ 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:A6:32:4A:16:13 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=ead2bc32-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Kernel parameter elevator= does not have any effect anymore. -- [ 4.362049] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x00010000 [ 4.481277] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 4.483653] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned. -- [ 4.497961] mc: Linux media interface: v0.10 [ 4.499687] bcm2835_audio bcm2835_audio: card created with 8 channels [ 4.532259] videodev: Linux video capture interface: v2.00 -- [ 4.827917] uvcvideo: Found UVC 1.10 device Cam Link (0fd9:0061) [ 4.839573] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 4.839705] vc4-drm gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4]) -- [ 8.201213] bcmgenet fd580000.ethernet eth0: Link is Down [ 9.916830] uvcvideo 2-1:1.0: Entity type for entity HDMI was not initialized! [ 9.917222] input: Cam Link: Cam Link as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-1/2-1:1.0/input/input0 -- [ 9.917617] USB Video Class driver (1.1.1) [ 10.122955] usbcore: registered new interface driver snd-usb-audio [ 13.555052] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready -- [ 24.178416] uvcvideo: Found UVC 1.10 device Cam Link (0fd9:0061) [ 29.206892] uvcvideo 2-1:1.0: Entity type for entity HDMI was not initialized! [ 29.207333] input: Cam Link: Cam Link as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-1/2-1:1.0/input/input1 -- [ 35.479027] uvcvideo: Found UVC 1.10 device Cam Link (0fd9:0061) [ 40.556418] uvcvideo 2-1:1.0: Entity type for entity HDMI was not initialized! [ 40.556701] input: Cam Link: Cam Link as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-1/2-1:1.0/input/input2 -- [ 46.948290] uvcvideo: Found UVC 1.10 device Cam Link (0fd9:0061) [ 51.996834] uvcvideo 2-1:1.0: Entity type for entity HDMI was not initialized! [ 51.997291] input: Cam Link: Cam Link as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-1/2-1:1.0/input/input3 -- [ 57.768627] uvcvideo: Found UVC 1.10 device Cam Link (0fd9:0061) [ 62.796877] uvcvideo 2-1:1.0: Entity type for entity HDMI was not initialized! [ 62.797320] input: Cam Link: Cam Link as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-1/2-1:1.0/input/input4 -- [ 68.578822] uvcvideo: Found UVC 1.10 device Cam Link (0fd9:0061) [ 73.606879] uvcvideo 2-1:1.0: Entity type for entity HDMI was not initialized! [ 73.607294] input: Cam Link: Cam Link as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-1/2-1:1.0/input/input5 -- [ 79.428447] uvcvideo: Found UVC 1.10 device Cam Link (0fd9:0061) [ 84.477019] uvcvideo 2-1:1.0: Entity type for entity HDMI was not initialized! [ 84.477428] input: Cam Link: Cam Link as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-1/2-1:1.0/input/input6 -- [ 90.208558] uvcvideo: Found UVC 1.10 device Cam Link (0fd9:0061) [ 95.277095] uvcvideo 2-1:1.0: Entity type for entity HDMI was not initialized! [ 95.277938] input: Cam Link: Cam Link as /devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-1/2-1:1.0/input/input7 !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 rpt1 armhf Utilities for configuring and using ALSA