!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sat Aug 10 19:36:59 UTC 2019 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.58-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.58-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!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-3f980000.usb-1.3, full spe !!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-3f980000.usb-1.3, full spe 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 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Aug 10 20:46 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Aug 10 20:46 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Aug 10 20:46 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Aug 10 20:46 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 Aug 10 20:46 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Aug 10 20:46 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Aug 10 20:46 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Aug 10 20:46 . drwxr-xr-x 4 root root 220 Aug 10 20:46 .. lrwxrwxrwx 1 root root 12 Aug 10 20:46 usb-C-Media_Electronics_Inc._USB_PnP_Sound_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Aug 10 20:46 . drwxr-xr-x 4 root root 220 Aug 10 20:46 .. lrwxrwxrwx 1 root root 12 Aug 10 20:46 platform-3f980000.usb-usb-0:1.3:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Aug 10 20:46 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) pcm.!default { type asym playback.pcm { type plug slave.pcm "hw:0,1" } capture.pcm { type plug slave.pcm "hw:1,0" } } !!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 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Device [USB PnP Sound Device], device 0: USB Audio [USB Audio] Subdevices: 0/1 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 -297 [93%] [-2.97dB] [on] !!-------Mixer controls for card 1 [Device] Card hw:1 'Device'/'C-Media Electronics Inc. USB PnP Sound Device at usb-3f980000.usb-1.3, full spe' Mixer name : 'USB Mixer' Components : 'USB0d8c:013c' Controls : 5 Simple ctrls : 2 Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 16 Mono: Capture 13 [81%] [19.34dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -297 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -297 } } 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 0 comment { access 'read write' type INTEGER count 1 range '0 - 2' } } 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.Device { control.1 { iface PCM name 'Capture Channel Map' value 2 comment { access read type INTEGER count 1 range '0 - 36' } } control.2 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Mic Capture Volume' value 13 comment { access 'read write' type INTEGER count 1 range '0 - 16' dbmin 0 dbmax 2381 dbvalue.0 1934 } } control.4 { iface MIXER name 'Auto Gain Control' value true comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module uinput rfcomm sha256_generic bnep cfg80211 evdev snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device btusb btrtl btintel btbcm bluetooth ecdh_generic rfkill snd_bcm2835 snd_pcm raspberrypi_hwmon hwmon bcm2835_codec snd_timer bcm2835_v4l2 v4l2_mem2mem v4l2_common bcm2835_mmal_vchiq snd videobuf2_vmalloc videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common videodev vc_sm_cma media uio_pdrv_genirq fixed uio ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 5.905419] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 5.952759] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 5.973940] bcm2835_audio soc:audio: card created with 8 channels -- [ 6.163537] usbcore: registered new interface driver btusb [ 6.462668] usbcore: registered new interface driver snd-usb-audio [ 7.291169] random: crng init done