Emanuel Rumpf wrote:
> 2011/5/24 Jeremy Jongepier <jeremy@email-addr-hidden>:
>> You mean you'd like to know which mode a USB soundcard is using or which
>> mode an USB port is using?
>>
>
>
> The current mode a soundcard is using. Knowing both would be helpful.
>
> lsusb gives a hint for the hub mode:
>
> $ lsusb
> Bus 010 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> Bus 009 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
>
> $ lsusb -t # adds information about ideally possible transfer speed.
> /: Bus 10.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 5000M
> /: Bus 09.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/2p, 480M
> /: Bus 08.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
You have newer version of lsusb than I. Here, it only dumps the physical
USB device hierarchy as a tree.
-- David gnome@email-addr-hidden authenticity, honesty, community _______________________________________________ Linux-audio-user mailing list Linux-audio-user@email-addr-hidden http://lists.linuxaudio.org/listinfo/linux-audio-userReceived on Wed May 25 12:15:01 2011
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