!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Fri May 1 13:45:44 UTC 2020 !!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: 4.19.97-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.97-v7l Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [Device ]: USB-Audio - USB PnP Sound Device C-Media Electronics Inc. USB PnP Sound Device at usb-0000:01:00.0-1.2, full spe !!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 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!Module: snd_usb_audio autoclock : Y device_setup : 0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : -2,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null) use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0d8c013c, ctrlif=0, ctlerr=0 Card: C-Media Electronics Inc. USB PnP Sound Device at usb-0000:01:00.0-1.2, full spe Unit: 9 Control: name="Speaker Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-7264, max=-16, dBmin=-2837, dBmax=-6 Unit: 9 Control: name="Speaker Playback Switch", index=0 Info: id=9, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Auto Gain Control", index=0 Info: id=10, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 10 Control: name="Mic Capture Volume", index=0 Info: id=10, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=6096, dBmin=0, dBmax=2381 Unit: 10 Control: name="Mic Capture Switch", index=0 Info: id=10, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 13 Control: name="Mic Playback Volume", index=0 Info: id=13, control=2, cmask=0x0, channels=1, type="S16" Volume: min=0, max=6096, dBmin=0, dBmax=2381 Unit: 13 Control: name="Mic Playback Switch", index=0 Info: id=13, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 May 1 14:17 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 May 1 14:43 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 May 1 14:17 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 May 1 14:17 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 May 1 14:17 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 56 May 1 14:43 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 May 1 14:43 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 May 1 14:17 /dev/snd/seq crw-rw---- 1 root audio 116, 33 May 1 14:17 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 May 1 14:43 . drwxr-xr-x 4 root root 260 May 1 14:43 .. lrwxrwxrwx 1 root root 12 May 1 14:43 usb-C-Media_Electronics_Inc._USB_PnP_Sound_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 May 1 14:43 . drwxr-xr-x 4 root root 260 May 1 14:43 .. lrwxrwxrwx 1 root root 12 May 1 14:43 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 May 1 14:17 platform-soc:audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY aplay: device_list:272: no soundcards found... ARECORD arecord: device_list:272: no soundcards found... !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control !!-------Mixer controls for card 1 [Device] Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control Invalid card number. Usage: amixer [command] Available options: -h,--help this help -c,--card N select the card -D,--device N select the device, default 'default' -d,--debug debug mode -n,--nocheck do not perform range checking -v,--version print version of this program -q,--quiet be quiet -i,--inactive show also inactive controls -a,--abstract L select abstraction level (none or basic) -s,--stdin Read and execute commands from stdin sequentially -R,--raw-volume Use the raw value (default) -M,--mapped-volume Use the mapped volume Available commands: scontrols show all mixer simple controls scontents show contents of all mixer simple controls (default command) sset sID P set contents for one mixer simple control sget sID get contents for one mixer simple control controls show all controls for given card contents show contents of all controls for given card cset cID P set control contents for one control cget cID get control contents for one control !!Alsactl output !!-------------- --startcollapse-- --endcollapse-- !!All Loaded Modules !!------------------ Module evdev snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic 8021q garp stp llc brcmfmac brcmutil sha256_generic vc4 bcm2835_codec bcm2835_v4l2 v4l2_mem2mem v4l2_common bcm2835_mmal_vchiq videobuf2_vmalloc videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 drm_kms_helper videobuf2_common cfg80211 rfkill v3d videodev raspberrypi_hwmon snd_soc_core hwmon media gpu_sched vc_sm_cma snd_bcm2835 snd_compress snd_pcm_dmaengine syscopyarea sysfillrect snd_pcm drm sysimgblt fb_sys_fops snd_timer drm_panel_orientation_quirks snd i2c_bcm2835 rpivid_mem uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 3.721434] rpivid-mem feb30000.vp9-decoder: rpivid-vp9mem initialised: Registers at 0xfeb30000 length 0x0000ffff [ 3.893391] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.900029] vc_sm_cma: module is from the staging directory, the quality is unknown, you have been warned. -- [ 4.131021] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 4.156517] [drm] No displays found. Consider forcing hotplug if HDMI is attached [ 4.156621] vc4-drm soc:gpu: bound fe600000.firmwarekms (ops vc4_fkms_ops [vc4]) -- [ 116.538137] hid-generic 0003:0D8C:013C.0001: input,hidraw0: USB HID v1.00 Device [C-Media Electronics Inc. USB PnP Sound Device] on usb-0000:01:00.0-1.2/input3 [ 116.693326] usbcore: registered new interface driver snd-usb-audio