[alsa-devel] [PATCH] snd-usb-audio with multiple audio functions

[Clemens Ladisch]

Rolf Meeser wrote:
> +		if (usb_chip[i] &&
> +			(usb_chip[i]->dev == dev) &&
> +			(usb_chip[i]->ctrl_intf) &&
> +			(usb_chip[i]->ctrl_intf->desc.bInterfaceNumber == ifnum)) {

Many audio devices with multiple vendor-specific interfaces do not have
a control interface.  This code would split them into multiple cards.


Regards,
Clemens