!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu Jun 20 19:40:49 UTC 2019 !!Linux Distribution !!------------------ !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 4.19.52-0-rpi2 Operating System: Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.52-0-rpi2 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_usb_audio (null) !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [Device ]: USB-Audio - USB Advanced Audio Device C-Media Electronics Inc. USB Advanced Audio Device at usb-3f980000.usb-1.3.3, f 1 [vc4hdmi ]: vc4-hdmi - vc4-hdmi vc4-hdmi !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!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 : -1,-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 !!Module: (null) * : !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x0d8c016c, ctrlif=0, ctlerr=0 Card: C-Media Electronics Inc. USB Advanced Audio Device at usb-3f980000.usb-1.3.3, f Unit: 9 Control: name="Speaker Playback Volume", index=0 Info: id=9, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-10240, max=0, dBmin=-4000, dBmax=0 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="Mic Capture Volume", index=0 Info: id=10, control=2, cmask=0x3, channels=2, type="S16" Volume: min=0, max=8704, dBmin=0, dBmax=3400 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=0x3, channels=2, type="S16" Volume: min=-2560, max=5632, dBmin=-1000, dBmax=2200 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 Jun 20 19:30 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jun 20 19:30 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 24 Jun 20 19:30 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 16 Jun 20 19:30 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 48 Jun 20 19:30 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 33 Jan 1 1970 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jun 20 19:30 . drwxr-xr-x 4 root root 200 Jun 20 19:30 .. lrwxrwxrwx 1 root root 12 Jun 20 19:30 usb-C-Media_Electronics_Inc._USB_Advanced_Audio_Device-00 -> ../controlC0 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jun 20 19:30 . drwxr-xr-x 4 root root 200 Jun 20 19:30 .. lrwxrwxrwx 1 root root 12 Jun 20 19:30 platform-3f902000.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Jun 20 19:30 platform-3f980000.usb-usb-0:1.3.3:1.0 -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: Device [USB Advanced Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: vc4hdmi [vc4-hdmi], device 0: MAI PCM vc4-hdmi-hifi-0 [] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: Device [USB Advanced Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [Device] Card hw:0 'Device'/'C-Media Electronics Inc. USB Advanced Audio Device at usb-3f980000.usb-1.3.3, f' Mixer name : 'USB Mixer' Components : 'USB0d8c:016c' Controls : 9 Simple ctrls : 2 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 40 Mono: Front Left: Playback 20 [50%] [-20.00dB] [on] Front Right: Playback 20 [50%] [-20.00dB] [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 - 32 Capture 0 - 34 Front Left: Playback 10 [31%] [0.00dB] [off] Capture 20 [59%] [20.00dB] [on] Front Right: Playback 10 [31%] [0.00dB] [off] Capture 20 [59%] [20.00dB] [on] !!-------Mixer controls for card 1 [vc4hdmi] Card hw:1 'vc4hdmi'/'vc4-hdmi' Mixer name : '' Components : '' Controls : 1 Simple ctrls : 0 !!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 false comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value.0 10 value.1 10 comment { access 'read write' type INTEGER count 2 range '0 - 32' dbmin -1000 dbmax 2200 dbvalue.0 0 dbvalue.1 0 } } 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 20 value.1 20 comment { access 'read write' type INTEGER count 2 range '0 - 40' dbmin -4000 dbmax 0 dbvalue.0 -2000 dbvalue.1 -2000 } } 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 20 value.1 20 comment { access 'read write' type INTEGER count 2 range '0 - 34' dbmin 0 dbmax 3400 dbvalue.0 2000 dbvalue.1 2000 } } control.9 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } state.vc4hdmi { control.1 { iface PCM name ELD value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module vc4 ipv6 drm_kms_helper af_packet brcmfmac drm brcmutil snd_usb_audio drm_panel_orientation_quirks snd_soc_core sha256_generic snd_hwdep snd_usbmidi_lib snd_rawmidi snd_compress snd_seq_device snd_pcm_dmaengine snd_pcm cfg80211 snd_timer snd evdev joydev syscopyarea bcm2835_codec rfkill sysfillrect input_leds sysimgblt bcm2835_v4l2 fb_sys_fops v4l2_mem2mem raspberrypi_hwmon hwmon i2c_bcm2835 bcm2835_mmal_vchiq v4l2_common videobuf2_dma_contig videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media vc_sm_cma uio_pdrv_genirq uio fixed !!ALSA/HDA dmesg !!-------------- [ 4.864063] cfg80211: failed to load regulatory.db [ 4.889341] usbcore: registered new interface driver snd-usb-audio [ 4.975055] brcmfmac: F1 signature read @0x18000000=0x1541a9a6