!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Tue Apr 21 13:51:06 UTC 2020 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.66-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.66-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [Camera ]: USB-Audio - USB 2.0 Camera lihappe8 Corp. USB 2.0 Camera at usb-3f980000.usb-1.2, high speed !!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=0x038f6001, ctrlif=2, ctlerr=0 Card: lihappe8 Corp. USB 2.0 Camera at usb-3f980000.usb-1.2, high speed Unit: 5 Control: name="Mic Capture Volume", index=0 Info: id=5, control=2, cmask=0x3, channels=2, type="S16" Volume: min=0, max=7936, dBmin=0, dBmax=3100 Unit: 5 Control: name="Mic Capture Switch", index=1 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 5 Control: name="Mic Capture Switch", index=0 Info: id=5, control=1, cmask=0x3, channels=2, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Apr 21 14:46 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Apr 21 14:50 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Apr 21 14:46 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Apr 21 14:46 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Apr 21 14:46 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 56 Apr 21 14:50 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Apr 21 14:46 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 21 14:46 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Apr 21 14:50 . drwxr-xr-x 4 root root 240 Apr 21 14:50 .. lrwxrwxrwx 1 root root 12 Apr 21 14:50 usb-lihappe8_Corp._USB_2.0_Camera-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Apr 21 14:50 . drwxr-xr-x 4 root root 240 Apr 21 14:50 .. lrwxrwxrwx 1 root root 12 Apr 21 14:50 platform-3f980000.usb-usb-0:1.2:1.2 -> ../controlC1 lrwxrwxrwx 1 root root 12 Apr 21 14:46 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type hw card 1 } ctl.!default { type hw card 1 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 7/7 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 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 IEC958/HDMI [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Camera [USB 2.0 Camera], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback 400 [100%] [4.00dB] [on] !!-------Mixer controls for card 1 [Camera] Card hw:1 'Camera'/'lihappe8 Corp. USB 2.0 Camera at usb-3f980000.usb-1.2, high speed' Mixer name : 'USB Mixer' Components : 'USB038f:6001' Controls : 5 Simple ctrls : 2 Simple mixer control 'Mic',0 Capabilities: cvolume cswitch Capture channels: Front Left - Front Right Limits: Capture 0 - 62 Front Left: Capture 32 [52%] [16.00dB] [on] Front Right: Capture 32 [52%] [16.00dB] [on] Simple mixer control 'Mic',1 Capabilities: cswitch cswitch-joined Capture channels: Mono Mono: Capture [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM 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 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 1 comment { access 'read write' type INTEGER count 1 range '0 - 3' } } control.4 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } state.Camera { control.1 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface MIXER name 'Mic Capture Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.3 { iface MIXER name 'Mic Capture Switch' index 1 value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Capture Volume' value.0 32 value.1 32 comment { access 'read write' type INTEGER count 2 range '0 - 62' dbmin 0 dbmax 3100 dbvalue.0 1600 dbvalue.1 1600 } } control.5 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module uvcvideo fuse rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic brcmfmac brcmutil snd_usb_audio hid_multitouch snd_hwdep sha256_generic snd_usbmidi_lib snd_rawmidi snd_seq_device spidev cfg80211 bcm2835_codec rfkill bcm2835_v4l2 v4l2_mem2mem bcm2835_mmal_vchiq v4l2_common snd_bcm2835 raspberrypi_hwmon videobuf2_vmalloc videobuf2_dma_contig videobuf2_memops hwmon snd_pcm videobuf2_v4l2 snd_timer videobuf2_common snd i2c_bcm2835 videodev media vc_sm_cma spi_bcm2835 fixed uio_pdrv_genirq uio joydev evdev i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 6.993345] videodev: Linux video capture interface: v2.00 [ 7.063861] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 7.067756] bcm2835_mmal_vchiq: module is from the staging directory, the quality is unknown, you have been warned. -- [ 7.308858] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 7.362810] usbcore: registered new interface driver snd-usb-audio [ 7.393199] input: \xffffffe6\xffffffb7\xffffffb1\xffffffe5\xffffff9c\xffffffb3\xffffffe5\xffffffb8\xffffff82\xffffffe5\xffffff85\xffffffa8\xffffffe5\xffffff8a\xffffffa8\xffffffe7\xffffff94\xffffffb5\xffffffe5\xffffffad\xffffff90\xffffffe6\xffffff8a\xffffff80\xffffffe6\xffffff9c\xffffffaf\xffffffe6\xffffff9c\xffffff89\xffffffe9\xffffff99\xffffff90\xffffffe5\xffffff85\xffffffac\xffffffe5\xffffff8f\xffffffb8 ByQDtech \xffffffe8\xffffffa7\xffffffa6\xffffffe6\xffffff8e\xffffffa7USB\xffffffe9\xffffffbc\xffffffa0\xffffffe6\xffffffa0\xffffff87 as /devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/1-1.3:1.0/0003:0483:5750.0002/input/input6