!!################################ !!ALSA Information Script v 0.5.1 !!################################ !!Script ran on: Wed Dec 21 10:09:19 UTC 2022 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: System SKU: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.15.83-v7l Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k5.15.83-v7l Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- snd_soc_simple_card (card 0) !!Sound Servers on this system !!---------------------------- PipeWire: Installed - Yes (/usr/bin/pipewire) Running - Yes Pulseaudio: Installed - Yes (/usr/bin/pulseaudio) Running - Yes !!Soundcards recognised by ALSA !!----------------------------- 0 [CS4270 ]: simple-card - CS4270 CS4270 !!PCI Soundcards installed in the system !!-------------------------------------- !!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 snd_bcm2835: enable_compat_alsa=0 snd_bcm2835: enable_hdmi=1 !!Loaded sound module options !!--------------------------- !!Module: snd_soc_simple_card * : !!Sysfs card info !!--------------- !!Card: /sys/class/sound/card0 Driver: /sys/bus/platform/drivers/asoc-simple-card Tree: /sys/class/sound/card0 |-- controlC0 | |-- dev | |-- device -> ../../card0 | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- device -> ../../../soc:sound |-- id |-- number |-- pcmC0D0c | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- pcmC0D0p | |-- dev | |-- device -> ../../card0 | |-- pcm_class | |-- power | |-- subsystem -> ../../../../../../../class/sound | `-- uevent |-- power | |-- autosuspend_delay_ms | |-- control | |-- runtime_active_time | |-- runtime_status | `-- runtime_suspended_time |-- subsystem -> ../../../../../../class/sound `-- uevent !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Dec 21 09:21 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 24 Dec 21 09:21 /dev/snd/pcmC0D0c crw-rw---- 1 root audio 116, 16 Dec 21 09:21 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 1 Dec 21 09:21 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Dec 21 09:21 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Dec 21 09:21 . drwxr-xr-x 3 root root 160 Dec 21 09:21 .. lrwxrwxrwx 1 root root 12 Dec 21 09:21 platform-soc:sound -> ../controlC0 !!ALSA configuration files !!------------------------ !!User specific config file (~/.asoundrc) pcm.!default { type hw card 0 device 0 channels 2 rate 44100 format S16_LE } ctl.!default { type hw card 0 device 0 } !!System wide config file (/etc/asound.conf) defaults.pcm.card 0 defaults.ctl.card 0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: CS4270 [CS4270], device 0: bcm2835-i2s-cs4270-hifi cs4270-hifi-0 [bcm2835-i2s-cs4270-hifi cs4270-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 0: CS4270 [CS4270], device 0: bcm2835-i2s-cs4270-hifi cs4270-hifi-0 [bcm2835-i2s-cs4270-hifi cs4270-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card CS4270 Card hw:0 'CS4270'/'CS4270' Mixer name : '' Components : '' Controls : 9 Simple ctrls : 7 Simple mixer control 'Master',0 Capabilities: pvolume pswitch cswitch Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 255 Front Left: Playback 192 [75%] [off] Capture [on] Front Right: Playback 192 [75%] [off] Capture [on] Simple mixer control 'Auto-Mute',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'De-emphasis filter',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Digital Sidetone',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Popguard',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Soft Ramp',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Zero Cross',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] !!Alsactl output !!-------------- --startcollapse-- state.CS4270 { control.1 { iface MIXER name 'Master Playback Volume' value.0 192 value.1 192 comment { access 'read write' type INTEGER count 2 range '0 - 255' } } control.2 { iface MIXER name 'Digital Sidetone Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Soft Ramp Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Zero Cross Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.5 { iface MIXER name 'De-emphasis filter' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Popguard Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.7 { iface MIXER name 'Auto-Mute Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Master Capture Switch' value.0 true value.1 true comment { access 'read write' type BOOLEAN count 2 } } control.9 { iface MIXER name 'Master Playback Switch' value.0 false value.1 false comment { access 'read write' type BOOLEAN count 2 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q aes_arm_bs af_alg algif_hash algif_skcipher backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 bluetooth bnep brcmfmac brcmutil btbcm cfg80211 cmac cryptd crypto_simd drm drm_panel_orientation_quirks ecc ecdh_generic fuse garp hci_uart i2c_bcm2835 i2c_dev ip_tables ipv6 llc mc nvmem_rmem raspberrypi_hwmon regmap_i2c rfkill rpivid_hevc snd snd_compress snd_pcm snd_pcm_dmaengine snd_soc_bcm2835_i2s snd_soc_core snd_soc_cs4270 snd_soc_simple_card snd_soc_simple_card_utils snd_timer stp uio uio_pdrv_genirq v4l2_mem2mem vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videobuf2_vmalloc videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 503104 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=0 bcm2708_fb.fbheight=0 bcm2708_fb.fbswap=1 smsc95xx.macaddr=E4:5F:01:ED:21:62 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 console=ttyS0,115200 console=tty1 root=PARTUUID=9cd9526f-02 rootfstype=ext4 fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles [ 0.000000] Unknown kernel command line parameters "splash", will be passed to user space. !!Packages installed !!-------------------- ii alsa-topology-conf 1.2.4-1 all ALSA topology configuration files ii alsa-ucm-conf 1.2.4-2 all ALSA Use Case Manager configuration files ii alsa-utils 1.2.4-1 rpt1 armhf Utilities for configuring and using ALSA