From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: [PATCH RFC 7/9] ALSA: usb-audio: conditional
 interface altsetting
Date: Mon, 19 Aug 2013 12:08:38 +0200
Message-ID: <5211EEA6.6080809@ladisch.de>
References: <1376857363-1116-1-git-send-email-eldad@fogrefinery.com>
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To: Eldad Zack <eldad@fogrefinery.com>
Cc: Takashi Iwai <tiwai@suse.de>, alsa-devel@alsa-project.org, Daniel Mack <zonque@gmail.com>
List-Id: alsa-devel@alsa-project.org

Eldad Zack wrote:
> On some devices, if the endpoint for the other direction is in use,
> setting one interface will shutdown the other (in use) endpoint.

There are (non-UAC) devices where both endpoints are in the same
interface.

> This patch needs revising. It adds a get_interface function, which
> should not be neccesary (possibly unreliable on some devices?).

struct usb_interface has cur_altsetting.


Regards,
Clemens