!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Sun Mar 31 10:22:26 UTC 2019 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.19.30-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.30-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 2 [Device ]: USB-Audio - USB Advanced Audio Device C-Media Electronics Inc. USB Advanced Audio Device at usb-3f980000.usb-1.2, ful !!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-3f980000.usb-1.2, 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, 64 Mar 31 12:17 /dev/snd/controlC2 crw-rw---- 1 root audio 116, 88 Mar 31 12:17 /dev/snd/pcmC2D0c crw-rw---- 1 root audio 116, 80 Mar 31 12:17 /dev/snd/pcmC2D0p crw-rw---- 1 root audio 116, 1 Nov 3 2016 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Mar 31 12:17 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Mar 31 12:17 . drwxr-xr-x 4 root root 180 Mar 31 12:17 .. lrwxrwxrwx 1 root root 12 Mar 31 12:17 usb-C-Media_Electronics_Inc._USB_Advanced_Audio_Device-00 -> ../controlC2 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Mar 31 12:17 . drwxr-xr-x 4 root root 180 Mar 31 12:17 .. lrwxrwxrwx 1 root root 12 Mar 31 12:17 platform-3f980000.usb-usb-0:1.2:1.0 -> ../controlC2 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 2: Device [USB Advanced Audio Device], device 0: USB Audio [USB Audio] Subdevices: 0/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 2: Device [USB Advanced Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 2 [Device] Card hw:2 'Device'/'C-Media Electronics Inc. USB Advanced Audio Device at usb-3f980000.usb-1.2, 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 45 [100%] [0.00dB] [on] Front Right: Playback 45 [100%] [0.00dB] [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 0 [0%] [-15.00dB] [off] Capture 0 [0%] [0.00dB] [on] Front Right: Playback 0 [0%] [-15.00dB] [off] Capture 0 [0%] [0.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.Device { control.1 { iface PCM name 'Playback Channel Map' value.0 3 value.1 4 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 false comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value.0 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '0 - 37' dbmin -1500 dbmax 2200 dbvalue.0 -1500 dbvalue.1 -1500 } } 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 45 value.1 45 comment { access 'read write' type INTEGER count 2 range '0 - 45' dbmin -4500 dbmax 0 dbvalue.0 0 dbvalue.1 0 } } 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 0 value.1 0 comment { access 'read write' type INTEGER count 2 range '0 - 30' dbmin 0 dbmax 3000 dbvalue.0 0 dbvalue.1 0 } } control.9 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic snd_usb_audio snd_hwdep evdev snd_usbmidi_lib snd_rawmidi sg brcmfmac snd_seq_device snd_pcm brcmutil snd_timer snd sha256_generic cfg80211 rfkill bcm2835_v4l2 bcm2835_codec v4l2_common v4l2_mem2mem bcm2835_mmal_vchiq videobuf2_dma_contig videobuf2_vmalloc raspberrypi_hwmon videobuf2_memops videobuf2_v4l2 hwmon videobuf2_common videodev media vc_sm_cma uio_pdrv_genirq uio ip_tables x_tables ipv6 btrfs xor xor_neon zstd_decompress uas zstd_compress xxhash lzo_compress zlib_deflate raid6_pq rtc_pcf8563 i2c_bcm2835 fixed !!ALSA/HDA dmesg !!-------------- [ 10.475107] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 10.555737] usbcore: registered new interface driver snd-usb-audio [ 10.637846] BTRFS: device label STORAGE devid 1 transid 3725 /dev/sda4