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Re: Line-in of CM106 like sound device does not work



On 12/25/2013 12:30 PM, Sietse Achterop wrote:
lsusb says:
    Bus 003 Device 004: ID 0d8c:0102 C-Media Electronics, Inc. CM106 Like Sound Device
This hardware seems OK, because under Windows it is working properly.

The problem is that no signal is seen from the line-in input.

   In addition below some output of "pactl list".
This all seems OK too.

    Sietse

=================================================================================
Source #1
        State: SUSPENDED
        Name: alsa_input.usb-0d8c_USB_Sound_Device-00-Device.analog-stereo
        Description: CM106 Like Sound Device Analog Stereo
        Driver: module-alsa-card.c
        Sample Specification: s16le 2ch 44100Hz
        Channel Map: front-left,front-right
        Owner Module: 4
        Mute: no
        Volume: 0:  83% 1:  83%
                0: -4.99 dB 1: -4.99 dB
                balance 0.00
        Base Volume:  65%
                     -11.06 dB
        Monitor of Sink: n/a
        Latency: 0 usec, configured 0 usec
        Flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
        Properties:
                alsa.resolution_bits = "16"
                device.api = "alsa"
                device.class = "sound"
                alsa.class = "generic"
                alsa.subclass = "generic-mix"
                alsa.name = "USB Audio"
                alsa.id = "USB Audio"
                alsa.subdevice = "0"
                alsa.subdevice_name = "subdevice #0"
                alsa.device = "0"
                alsa.card = "1"
                alsa.card_name = "USB Sound Device"
                alsa.long_card_name = "USB Sound Device at usb-0000:00:14.0-3, full speed"
                alsa.driver_name = "snd_usb_audio"
                device.bus_path = "pci-0000:00:14.0-usb-0:3:1.0"
                sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/sound/card1"
                udev.id = "usb-0d8c_USB_Sound_Device-00-Device"
                device.bus = "usb"
                device.vendor.id = "0d8c"
                device.vendor.name = "C-Media Electronics, Inc."
                device.product.id = "0102"
                device.product.name = "CM106 Like Sound Device"
                device.serial = "0d8c_USB_Sound_Device"
                device.string = "front:1"
                device.buffering.buffer_size = "352800"
                device.buffering.fragment_size = "176400"
                device.access_mode = "mmap+timer"
                device.profile.name = "analog-stereo"
                device.profile.description = "Analog Stereo"
                device.description = "CM106 Like Sound Device Analog Stereo"
                alsa.mixer_name = "USB Mixer"
                alsa.components = "USB0d8c:0102"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-usb"
        Ports:
                analog-input-microphone: Microphone (priority: 8700)
                analog-input-linein: Line In (priority: 8100)
        Active Port: analog-input-linein
        Formats:
                pcm


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