!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Fri Jan 3 17:17:41 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: 4.19.75-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.75-v7l Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [M6 ]: USB-Audio - SMSL M6 SMSL SMSL M6 at usb-0000:01:00.0-1.1.1, high speed !!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_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=0x0d8c0004, ctrlif=0, ctlerr=0 Card: SMSL SMSL M6 at usb-0000:01:00.0-1.1.1, high speed Unit: 7 Control: name="Speaker - Output Jack", index=0 Info: id=7, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 13 Control: name="PCM 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 Unit: 18 Control: name="Clock Source 18 Validity", index=0 Info: id=18, control=2, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jan 3 16:45 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jan 3 16:45 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jan 3 16:45 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Jan 3 16:45 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Jan 3 16:45 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 48 Jan 3 16:45 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jan 3 16:45 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jan 3 16:45 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jan 3 16:45 . drwxr-xr-x 4 root root 240 Jan 3 16:45 .. lrwxrwxrwx 1 root root 12 Jan 3 16:45 usb-SMSL_SMSL_M6-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jan 3 16:45 . drwxr-xr-x 4 root root 240 Jan 3 16:45 .. lrwxrwxrwx 1 root root 12 Jan 3 16:45 platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.1.1:1.0 -> ../controlC1 lrwxrwxrwx 1 root root 12 Jan 3 16:45 platform-soc:audio -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type asym playback.pcm { type plug slave.pcm "output" } capture.pcm { type plug slave.pcm "input" } } pcm.output { type hw card 0 } ctl.!default { type hw card 0 } pcm.input { type hw card 0 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 6/7 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 card 1: M6 [SMSL M6], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** !!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 [M6] Card hw:1 'M6'/'SMSL SMSL M6 at usb-0000:01:00.0-1.1.1, high speed' Mixer name : 'USB Mixer' Components : 'USB0d8c:0004' Controls : 5 Simple ctrls : 1 Simple mixer control 'PCM',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 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 0 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.M6 { 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 MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface CARD name 'Clock Source 18 Validity' value true comment { access read type BOOLEAN count 1 } } control.4 { iface CARD name 'Speaker - Output Jack' value true comment { access read 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 rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic fuse 8021q garp stp llc joydev v3d gpu_sched bcm2835_codec v4l2_mem2mem bcm2835_v4l2 bcm2835_mmal_vchiq videobuf2_dma_contig vc_sm_cma v4l2_common videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media brcmfmac rpivid_mem brcmutil vc4 drm_kms_helper sha256_generic drm raspberrypi_hwmon drm_panel_orientation_quirks hwmon cfg80211 snd_soc_core snd_compress snd_pcm_dmaengine syscopyarea sysfillrect sysimgblt fb_sys_fops rfkill snd_bcm2835 evdev snd_usb_audio fixed uio_pdrv_genirq uio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device snd_pcm snd_timer snd i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 240960 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 cma=64M cma=256M video=HDMI-A-1:3840x2160M@30,margin_left=48,margin_right=48,margin_top=48,margin_bottom=48 smsc95xx.macaddr=DC:A6:32:09:55:99 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=5e3da3da-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) -- [ 2.989810] systemd-journald[113]: Received request to flush runtime journal from PID 1 [ 3.626864] usbcore: registered new interface driver snd-usb-audio [ 3.707558] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 3.718204] bcm2835_audio soc:audio: card created with 8 channels