[mythtv-users] v4l Drivers

[Greg Oliver]

On Wed, Oct 20, 2010 at 11:08 AM, mike at grounded.net <mike at grounded.net> wrote:
>> This means your audio output is set incorrectly under
>> setup->general->3rd page on the frontend.  I cannot remember what card
>> you are trying to get to work - audio over hdmi (gt220), or something
>> else.  In your desktop environment, what sound output is it using?
>
> The Audio output device section is set to ALSA:default. Heck of a lot of choices in there :). Guessing it's safe to just try some if I can't find the one I'm looking for specifically.
>
> The mainboard has an audio card built in which I'd like to disable.
> The output I'd like to use is a USB to 5.1 adapter that's always worked nicely for me on another machine.
> I'm just not sure which device I'm looking for since it has inputs and multiple outputs including optical and analog front and rear for example. All I want right now is to use the Front Output which I don't see in the list below or in the Audio System settings drop down.

aplay -l will show you what devices you have that alsa is recognizing.
 aplay -L will give you a more deined view I think (not in front of my
setup), and you should be able to make an educated decision.  The list
of entries that show up in that menu *are not* necessarily cards in
your system.  You may have to type the entry in manually to get it to
work.

> # dmesg| grep usb
> usbcore: registered new interface driver usbfs
> usbcore: registered new interface driver hub
> usbcore: registered new device driver usb
> usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
> usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> usb usb1: Product: EHCI Host Controller
> usb usb1: Manufacturer: Linux 2.6.32.21-168.fc12.i686.PAE ehci_hcd
> usb usb1: SerialNumber: 0000:00:1d.7
> usb usb1: configuration #1 chosen from 1 choice
> usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
> usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> usb usb2: Product: UHCI Host Controller
> usb usb2: Manufacturer: Linux 2.6.32.21-168.fc12.i686.PAE uhci_hcd
> usb usb2: SerialNumber: 0000:00:1d.0
> usb usb2: configuration #1 chosen from 1 choice
> usb usb3: New USB device found, idVendor=1d6b, idProduct=0001
> usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
> usb usb3: Product: UHCI Host Controller
> usb usb3: Manufacturer: Linux 2.6.32.21-168.fc12.i686.PAE uhci_hcd
> usb usb3: SerialNumber: 0000:00:1d.1
> usb usb3: configuration #1 chosen from 1 choice
> usbcore: registered new interface driver hiddev
> usbcore: registered new interface driver usbhid
> usbhid: v2.6:USB HID core driver
> usb 3-2: new full speed USB device using uhci_hcd and address 2
> usb 3-2: New USB device found, idVendor=0d8c, idProduct=0006
> usb 3-2: New USB device strings: Mfr=0, Product=2, SerialNumber=0
> usb 3-2: Product: USB Audio
> usb 3-2: configuration #1 chosen from 1 choice
> input: USB Audio as /devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2:1.3/input/input5
> generic-usb 0003:0D8C:0006.0001: input,hidraw0: USB HID v1.00 Device [USB Audio] on usb-0000:00:1d.1-2/input3
> usbcore: registered new interface driver snd-usb-audio
> usbcore: registered new interface driver dvb_usb_dib0700
>
>
>
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