!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Thu Dec 12 06:32:56 UTC 2019 !!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: 4.19.86-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.19.86-v7 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_bcm2835 (null) !!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 [vc4hdmi ]: vc4-hdmi - vc4-hdmi vc4-hdmi !!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: (null) * : !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Dec 11 22:22 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Dec 11 22:22 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Dec 11 22:22 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Dec 11 22:22 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 18 Dec 11 22:22 /dev/snd/pcmC0D2p crw-rw---- 1 root audio 116, 48 Dec 11 22:22 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Dec 11 22:22 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Dec 11 22:22 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Dec 11 22:22 . drwxr-xr-x 3 root root 220 Dec 11 22:22 .. lrwxrwxrwx 1 root root 12 Dec 11 22:22 platform-3f902000.hdmi -> ../controlC1 lrwxrwxrwx 1 root root 12 Dec 11 22:22 platform-soc:audio -> ../controlC0 !!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 card 0: ALSA [bcm2835 ALSA], device 2: bcm2835 IEC958/HDMI1 [bcm2835 IEC958/HDMI1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: vc4hdmi [vc4-hdmi], device 0: MAI PCM vc4-hdmi-hifi-0 [MAI PCM vc4-hdmi-hifi-0] 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 37 [97%] [0.37dB] [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.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value 37 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 37 } } 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.vc4hdmi { control.1 { iface PCM name ELD value '100008006a10000100000000000000001e6d555b4c472046554c4c2048440907070000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read volatile' type BYTES count 128 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module fuse rfcomm bnep hci_uart btbcm serdev bluetooth ecdh_generic 8021q garp stp llc joydev evdev hid_logitech_hidpp r820t rtl2832 i2c_mux dvb_usb_rtl28xxu dvb_usb_v2 dvb_core sg brcmfmac vc4 brcmutil drm_kms_helper hid_logitech_dj drm sha256_generic drm_panel_orientation_quirks snd_soc_core snd_compress snd_bcm2835 cfg80211 snd_pcm_dmaengine syscopyarea sysfillrect raspberrypi_hwmon sysimgblt snd_pcm hwmon fb_sys_fops snd_timer rfkill snd bcm2835_codec i2c_bcm2835 bcm2835_v4l2 v4l2_mem2mem bcm2835_mmal_vchiq v4l2_common videobuf2_dma_contig videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev media vc_sm_cma fixed uas uio_pdrv_genirq uio i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 251720 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 cma=256M video=HDMI-A-1:1920x1080M@60,margin_left=48,margin_right=48,margin_top=48,margin_bottom=48 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=tty1 root=PARTUUID=aa0ec7b3-02 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) -- [ 5.465654] bcm2835-codec bcm2835-codec: Loaded V4L2 isp [ 5.650855] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 5.673042] bcm2835_audio soc:audio: card created with 8 channels