!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sat Apr 18 23:42:15 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_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 1 [Device ]: USB-Audio - USB Advanced Audio Device C-Media Electronics Inc. USB Advanced Audio Device at usb-0000:01:00.0-1.4, ful !!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_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=0x0d8c0024, ctrlif=0, ctlerr=0 Card: C-Media Electronics Inc. USB Advanced Audio Device at usb-0000:01:00.0-1.4, ful Unit: 5 Control: name="Speaker Playback Volume", index=0 Info: id=5, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-11520, max=0, dBmin=-4500, dBmax=0 Unit: 5 Control: name="Speaker Playback Switch", index=0 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 6 Control: name="Mic Capture Volume", index=0 Info: id=6, control=2, cmask=0x3, channels=2, type="S16" Volume: min=0, max=7680, dBmin=0, dBmax=3000 Unit: 6 Control: name="Mic Capture Switch", index=0 Info: id=6, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 7 Control: name="Mic Playback Volume", index=0 Info: id=7, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-3840, max=5632, dBmin=-1500, dBmax=2200 Unit: 7 Control: name="Mic Playback Switch", index=0 Info: id=7, 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, 32 Apr 19 01:36 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 56 Apr 19 01:36 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Apr 19 01:36 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Apr 19 01:36 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Apr 19 01:36 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Apr 19 01:36 . drwxr-xr-x 4 root root 180 Apr 19 01:36 .. lrwxrwxrwx 1 root root 12 Apr 19 01:36 usb-C-Media_Electronics_Inc._USB_Advanced_Audio_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Apr 19 01:36 . drwxr-xr-x 4 root root 180 Apr 19 01:36 .. lrwxrwxrwx 1 root root 12 Apr 19 01:36 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.4:1.0 -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 1: Device [USB Advanced Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Device [USB Advanced Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 1 [Device] Card hw:1 'Device'/'C-Media Electronics Inc. USB Advanced Audio Device at usb-0000:01:00.0-1.4, ful' Mixer name : 'USB Mixer' Components : 'USB0d8c:0024' Controls : 9 Simple ctrls : 2 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 45 Mono: Front Left: Playback 38 [84%] [-7.00dB] [on] Front Right: Playback 38 [84%] [-7.00dB] [on] Simple mixer control 'Mic',0 Capabilities: pvolume cvolume pswitch pswitch-joined cswitch cswitch-joined Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 37 Capture 0 - 30 Front Left: Playback 19 [51%] [4.00dB] [on] Capture 15 [50%] [15.00dB] [on] Front Right: Playback 19 [51%] [4.00dB] [on] Capture 15 [50%] [15.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Device { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.3 { iface MIXER name 'Mic Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value.0 19 value.1 19 comment { access 'read write' type INTEGER count 2 range '0 - 37' dbmin -1500 dbmax 2200 dbvalue.0 400 dbvalue.1 400 } } control.5 { iface MIXER name 'Speaker Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Speaker Playback Volume' value.0 38 value.1 38 comment { access 'read write' type INTEGER count 2 range '0 - 45' dbmin -4500 dbmax 0 dbvalue.0 -700 dbvalue.1 -700 } } control.7 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Mic Capture Volume' value.0 15 value.1 15 comment { access 'read write' type INTEGER count 2 range '0 - 30' dbmin 0 dbmax 3000 dbvalue.0 1500 dbvalue.1 1500 } } control.9 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module aes_arm_bs crypto_simd cryptd algif_skcipher af_alg fuse rfcomm bnep tun hci_uart btbcm serdev ipt_MASQUERADE nft_chain_nat_ipv4 nf_nat_ipv4 nf_nat xt_state xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nft_counter nf_tables nfnetlink sha256_generic bluetooth cfg80211 ecdh_generic rfkill 8021q garp stp llc snd_usb_audio evdev snd_hwdep joydev snd_usbmidi_lib snd_rawmidi snd_seq_device spidev bcm2835_codec v4l2_mem2mem bcm2835_v4l2 v4l2_common bcm2835_mmal_vchiq videobuf2_vmalloc videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_common videodev vc4 media vc_sm_cma rpivid_mem drm_kms_helper snd_soc_core v3d gpu_sched snd_compress drm snd_pcm_dmaengine snd_pcm drm_panel_orientation_quirks snd_timer snd syscopyarea sysfillrect raspberrypi_hwmon sysimgblt fb_sys_fops hwmon i2c_bcm2835 spi_bcm2835 uio_pdrv_genirq uio sg i2c_dev ip_tables x_tables ipv6 !!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 cma=64M cma=256M video=HDMI-A-1:1920x1080M@60,margin_left=0,margin_right=0,margin_top=0,margin_bottom=0 smsc95xx.macaddr=DC:A6:32:44:FB:86 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 usb-storage.quirks=1058:25ee:u,2109:711f:u,0c0b:b136:u console=tty1 root=PARTUUID=6c586e13-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) -- [ 5.037444] vc4-drm soc:gpu: fb0: DRM emulated frame buffer device [ 5.430661] usbcore: registered new interface driver snd-usb-audio [ 5.448483] .