!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Sat Jul 13 00:05:49 UTC 2024 !!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: 6.1.21 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k6.1.21 Library version: 1.2.4 Utilities version: 1.2.4 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_bcm2835 !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 0 [b1 ]: bcm2835_hdmi - bcm2835 HDMI 1 bcm2835 HDMI 1 1 [Headphones ]: bcm2835_headpho - bcm2835 Headphones bcm2835 Headphones !!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_headphones=0 snd_bcm2835: enable_headphones=1 snd_bcm2835: enable_hdmi=1 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_hdmi : Y enable_headphones : Y force_bulk : N num_channels : 8 !!Module: snd_bcm2835 enable_hdmi : Y enable_headphones : Y force_bulk : N num_channels : 8 !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jul 12 19:47 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jul 12 19:47 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jul 12 19:47 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Jul 12 19:47 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 48 Jul 12 19:47 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Jul 12 19:47 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jul 12 19:47 /dev/snd/timer /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Jul 12 19:47 . drwxr-xr-x 3 root root 200 Jul 12 19:47 .. lrwxrwxrwx 1 root root 12 Jul 12 19:47 platform-bcm2835_audio -> ../controlC1 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: b1 [bcm2835 HDMI 1], device 0: bcm2835 HDMI 1 [bcm2835 HDMI 1] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 card 0: b1 [bcm2835 HDMI 1], device 1: bcm2835 HDMI 1 [bcm2835 HDMI 1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones] Subdevices: 4/4 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 ARECORD **** List of CAPTURE Hardware Devices **** !!Amixer output !!------------- !!-------Mixer controls for card b1 Card hw:0 'b1'/'bcm2835 HDMI 1' Mixer name : 'Broadcom Mixer' Components : '' Controls : 4 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -162 [95%] [-1.62dB] [on] !!-------Mixer controls for card Headphones Card hw:1 'Headphones'/'bcm2835 Headphones' Mixer name : 'Broadcom Mixer' Components : '' Controls : 2 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -127 [95%] [-1.27dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.b1 { control.1 { iface MIXER name 'PCM Playback Volume' value -162 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -162 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.4 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } } state.Headphones { control.1 { iface MIXER name 'PCM Playback Volume' value -127 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -127 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ 8021q ads7846 aes_arm aes_generic backlight bcm2835_codec bcm2835_isp bcm2835_mmal_vchiq bcm2835_v4l2 cfg80211 cifs cifs_arc4 cifs_md4 cmac drm drm_panel_orientation_quirks fb_ili9486 fb_sys_fops fbtft fixed fuse garp hmac i2c_bcm2835 i2c_dev ip_tables ipv6 joydev libaes libsha256 llc mc md5 nls_utf8 raspberrypi_hwmon regmap_mmio rfkill sha256_generic sha512_generic snd snd_bcm2835 snd_compress snd_pcm snd_pcm_dmaengine snd_soc_bcm2835_i2s snd_soc_core snd_timer spi_bcm2835 stp syscopyarea sysfillrect sysimgblt 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: 113680 [ 0.000000] Kernel command line: coherent_pool=1M snd_bcm2835.enable_headphones=0 snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 bcm2708_fb.fbwidth=640 bcm2708_fb.fbheight=480 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x1ec00000 vc_mem.mem_size=0x20000000 console=ttyAMA0,115200 console=tty1 root=PARTUUID=a2bc6045-02 rootfstype=ext4 fsck.repair=yes rootwait cfg80211.ieee80211_regdom=US [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear) -- [ 20.285350] mc: Linux media interface: v0.10 [ 21.435262] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 21.454829] videodev: Linux video capture interface: v2.00 !!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 hi bluez-alsa-utils 4.1.0-2moode2 armhf Bluetooth Audio ALSA Backend (utils)