!!################################
!!ALSA Information Script v 0.4.64
!!################################

!!Script ran on: Mon May  1 19:43:41 UTC 2017


!!Linux Distribution
!!------------------

Ubuntu 17.04 \n \l DISTRIB_ID=Ubuntu DISTRIB_DESCRIPTION="Ubuntu 17.04" NAME="Ubuntu" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 17.04" HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=zesty


!!DMI Information
!!---------------

Manufacturer:      Apple Inc.
Product Name:      MacBook3,1
Product Version:   1.0
Firmware Version:      MB31.88Z.008E.B02.0803051832


!!Kernel Information
!!------------------

Kernel release:    4.10.0-20-generic
Operating System:  GNU/Linux
Architecture:      x86_64
Processor:         x86_64
SMP Enabled:       Yes


!!ALSA Version
!!------------

Driver version:     k4.10.0-20-generic
Library version:    1.1.3
Utilities version:  1.1.3


!!Loaded ALSA modules
!!-------------------

snd_usb_audio


!!Sound Servers on this system
!!----------------------------

Pulseaudio:
      Installed - Yes (/usr/bin/pulseaudio)
      Running - Yes


!!Soundcards recognised by ALSA
!!-----------------------------

 1 [Device         ]: USB-Audio - C-Media USB Audio Device
                      C-Media USB Audio Device at usb-0000:00:1a.0-2, full speed


!!PCI Soundcards installed in the system
!!--------------------------------------

00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 03)


!!Advanced information - PCI Vendor/Device/Subsystem ID's
!!-------------------------------------------------------

00:1b.0 0403: 8086:284b (rev 03)
	Subsystem: 106b:00a1


!!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_atiixp_modem: index=-2
snd_intel8x0m: index=-2
snd_via82xx_modem: index=-2
snd_usb_audio: index=-2
snd_usb_caiaq: index=-2
snd_usb_ua101: index=-2
snd_usb_us122l: index=-2
snd_usb_usx2y: index=-2
snd_cmipci: mpu_port=0x330 fm_port=0x388
snd_pcsp: index=-2
snd_usb_audio: index=-2


!!Loaded sound module options
!!---------------------------

!!Module: snd_usb_audio
	autoclock : Y
	device_setup : 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
	enable : Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y
	id : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
	ignore_ctl_error : N
	index : -2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
	pid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1
	quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)
	vid : -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1


!!USB Mixer information
!!---------------------
--startcollapse--

USB Mixer: usb_id=0x0d8c0008, ctrlif=0, ctlerr=0
Card: C-Media USB Audio Device at usb-0000:00:1a.0-2, full speed
  Unit: 9
    Control: name="Speaker Playback Volume", index=0
    Info: id=9, control=2, cmask=0x3, channels=2, type="S16"
    Volume: min=-7264, max=-16, dBmin=-2837, dBmax=-6
  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="Auto Gain Control", index=0
    Info: id=10, control=7, cmask=0x0, channels=1, type="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=0x0, channels=1, type="S16"
    Volume: min=0, max=6096, dBmin=0, dBmax=2381
  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=0x0, channels=1, type="S16"
    Volume: min=0, max=12240, dBmin=0, dBmax=4781
  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,  2 May  1 15:31 /dev/snd/controlC1
crw-rw----  1 root audio 116,  4 May  1 15:32 /dev/snd/pcmC1D0c
crw-rw----  1 root audio 116,  3 May  1 15:43 /dev/snd/pcmC1D0p
crw-rw----  1 root audio 116,  1 May  1 15:31 /dev/snd/seq
crw-rw----  1 root audio 116, 33 May  1 15:31 /dev/snd/timer

/dev/snd/by-id:
total 0
drwxr-xr-x 2 root root  60 May  1 15:31 .
drwxr-xr-x 4 root root 180 May  1 15:31 ..
lrwxrwxrwx 1 root root  12 May  1 15:31 usb-0d8c_C-Media_USB_Audio_Device-00 -> ../controlC1

/dev/snd/by-path:
total 0
drwxr-xr-x 2 root root  60 May  1 15:31 .
drwxr-xr-x 4 root root 180 May  1 15:31 ..
lrwxrwxrwx 1 root root  12 May  1 15:31 pci-0000:00:1a.0-usb-0:2:1.0 -> ../controlC1


!!Aplay/Arecord output
!!--------------------

APLAY

**** List of PLAYBACK Hardware Devices ****
card 1: Device [C-Media USB Audio Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

ARECORD

**** List of CAPTURE Hardware Devices ****
card 1: Device [C-Media USB Audio Device], device 0: USB Audio [USB Audio]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

!!Amixer output
!!-------------

!!-------Mixer controls for card 1 [Device]

Card hw:1 'Device'/'C-Media USB Audio Device at usb-0000:00:1a.0-2, full speed'
  Mixer name	: 'USB Mixer'
  Components	: 'USB0d8c:0008'
  Controls      : 9
  Simple ctrls  : 3
Simple mixer control 'Speaker',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 151
  Mono:
  Front Left: Playback 75 [50%] [-14.31dB] [on]
  Front Right: Playback 75 [50%] [-14.31dB] [on]
Simple mixer control 'Mic',0
  Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: Playback 0 - 32 Capture 0 - 16
  Mono: Playback 23 [72%] [34.36dB] [off] Capture 0 [0%] [0.00dB] [on]
Simple mixer control 'Auto Gain Control',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]


!!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
		comment {
			access read
			type INTEGER
			count 1
			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 23
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 32'
			dbmin 0
			dbmax 4781
			dbvalue.0 3436
		}
	}
	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 75
		value.1 75
		comment {
			access 'read write'
			type INTEGER
			count 2
			range '0 - 151'
			dbmin -2837
			dbmax -6
			dbvalue.0 -1431
			dbvalue.1 -1431
		}
	}
	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
		comment {
			access 'read write'
			type INTEGER
			count 1
			range '0 - 16'
			dbmin 0
			dbmax 2381
			dbvalue.0 0
		}
	}
	control.9 {
		iface MIXER
		name 'Auto Gain Control'
		value true
		comment {
			access 'read write'
			type BOOLEAN
			count 1
		}
	}
}
--endcollapse--


!!All Loaded Modules
!!------------------

Module
rfcomm
uvcvideo
videobuf2_vmalloc
videobuf2_memops
videobuf2_v4l2
videobuf2_core
videodev
media
bnep
isight_firmware
nls_iso8859_1
btusb
btrtl
btbcm
btintel
bluetooth
joydev
applesmc
input_polldev
coretemp
kvm_intel
snd_usb_audio
kvm
snd_usbmidi_lib
snd_hwdep
snd_pcm
irqbypass
snd_seq_midi
snd_seq_midi_event
snd_rawmidi
snd_seq
snd_seq_device
wl
snd_timer
input_leds
snd
appletouch
soundcore
lpc_ich
cfg80211
shpchp
sbs
sbshc
mac_hid
apple_bl
parport_pc
ppdev
lp
parport
ip_tables
x_tables
autofs4
hid_apple
hid_appleir
hid_generic
usbhid
hid
i915
firewire_ohci
i2c_algo_bit
firewire_core
ahci
libahci
crc_itu_t
pata_acpi
sky2
drm_kms_helper
syscopyarea
sysfillrect
sysimgblt
fb_sys_fops
fjes
drm
video


!!ALSA/HDA dmesg
!!--------------

[    5.733826] intel_powerclamp: No package C-state available
[    5.787486] usbcore: registered new interface driver snd-usb-audio
[    6.016024] usb 3-1: new full-speed USB device number 4 using uhci_hcd