Am Montag, 4. Februar 2008 09:58:19 schrieb Clemens Ladisch:
> Oliver Neukum wrote:
> > this patch implements autosuspend for USB audio devices.
> 
> The Creative Audigy 2 NX mutes itself when being suspended but doesn't
> unmute when resuming. (Apparently, this self-powered device treats
> supend the same as disconnection.)

It must be added to the USB quirk list. Please provide vendor:product id.

> The Roland SC-8820 resets itself when being resumed and loses all

A quirk is needed, too.

> parameter settings.  Furthermore, it should be possible to use this
> device with its external input even when the computer isn't accessing
> it.

How could the device be used without the computer? Please explain.

> The Edirol UA-1A resumes OK (but it doesn't have any internal state).

Not even volume? Mute/unmute?
 
> Your patch doesn't touch usbmidi.c -- USB MIDI devices are suspended
> even when they're being used.

Yes, I noticed. I thought midi is a separate driver. Is there documentation
on the midi API?

        Regards
                Oliver
-
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to