* Fwd: Re: [PATCH] snd-usb-audio with multiple audio functions
@ 2011-06-06 15:04 Rolf Meeser
0 siblings, 0 replies; only message in thread
From: Rolf Meeser @ 2011-06-06 15:04 UTC (permalink / raw)
To: Clemens Ladisch; +Cc: Takashi Iwai, alsa-devel
Hi Clemens,
On 06/06/2011 01:44 PM, Clemens Ladisch wrote:
> 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
>
Breaking existing setups would indeed be bad!
Can you see an easy way to identify such cards here? Then we could assign a new
card index only in case of a class compliant card, where this is desirable.
Regards,
Rolf
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2011-06-06 15:04 Fwd: Re: [PATCH] snd-usb-audio with multiple audio functions Rolf Meeser
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