From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by befuddled.reisers.ca (Postfix, from userid 65534) id BE5E01EFE3B; Wed, 7 Sep 2016 15:00:14 -0400 (EDT) Received: from opera.rednote.net (opera.rednote.net [IPv6:2600:3c03::f03c:91ff:fe70:e783]) by befuddled.reisers.ca (Postfix) with ESMTPS id 253251EFE34 for ; Wed, 7 Sep 2016 15:00:13 -0400 (EDT) Received: from opera.rednote.net (localhost [IPv6:0:0:0:0:0:0:0:1]) by opera.rednote.net (8.15.2/8.15.2) with ESMTP id u87J0CNK007959 for ; Wed, 7 Sep 2016 19:00:12 GMT DMARC-Filter: OpenDMARC Filter v1.3.1 opera.rednote.net u87J0CNK007959 Authentication-Results: opera.rednote.net; dmarc=fail header.from=rednote.net Authentication-Results: opera.rednote.net; spf=pass smtp.mailfrom=janina@rednote.net DKIM-Filter: OpenDKIM Filter v2.10.3 opera.rednote.net u87J0CNK007959 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rednote.net; s=default; t=1473274812; bh=FX48kKJriIlpNuremT1kIVQGFi/FvkbVurukmUsJVr4=; h=Date:From:To:Subject:References:In-Reply-To:From; b=Vd5hnM0kQclrSiymjNNISD1Qab3wlVQa1LCa4sBzY/J2A/HyOe6pvNYl7aAKtHHtg zk3TC+HzDvsD5uiubCy8Cvy0qCMZIBd7MXXBK+x6HLo0vxqdh0hHIOGWSc0hwBSjzj DpK5q7dxnHTG2XgpV6fiMcJymUncr0XFw1i9LqPM= Received: (from janina@localhost) by opera.rednote.net (8.15.2/8.14.6/Submit) id u87J0CGW007958 for speakup@linux-speakup.org; Wed, 7 Sep 2016 15:00:12 -0400 Date: Wed, 7 Sep 2016 15:00:12 -0400 From: Janina Sajka To: "Speakup is a screen review system for Linux." Subject: Re: WARNING: Latest Linphone on Arch breaks device access Message-ID: <20160907190012.GE1838@opera.rednote.net> References: <20160907135053.GE1834@opera.rednote.net> <871t0vok6k.fsf@mushroom.localdomain> <20160907173128.GC1838@opera.rednote.net> <87twdrmu61.fsf@mushroom.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <87twdrmu61.fsf@mushroom.localdomain> X-Operating-System: Linux opera.rednote.net 4.7.2-201.fc24.x86_64 X-PGP-Key: http://rednote.net/JaninaSajka_gpg_key.html User-Agent: Mutt/1.7.0 (2016-08-17) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 X-BeenThere: speakup@linux-speakup.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Speakup is a screen review system for Linux." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Sep 2016 19:00:14 -0000 I'll study that doc, but I work best from cribbed examples. So, I'd like to owe you a pizza and accept your most gracious offer! Bus 002 Device 034: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter Bus 002 Device 033: ID 0409:005a NEC Corp. HighSpeed Hub Bus 002 Device 005: ID 0409:005a NEC Corp. HighSpeed Hub Bus 002 Device 004: ID 045e:0047 Microsoft Corp. IntelliMouse Explorer 3.0 Bus 002 Device 003: ID 1395:3556 Sennheiser Communications USB Headset Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 04b8:0131 Seiko Epson Corp. GT-F720 [GT-S620/Perfection V30/V300 Photo] Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 002: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Chris Brannon writes: > Janina Sajka writes: > > > It was a great suggestion, Chris. Unfortunately, it seems there's yet > > another bug in how alsa handles usb devices. > > > > I have 2 usb devices. No matter how I specify things, the card that gets > > invoked is the first of those two. > > Oh interesting. So it looks like there's a name clash. > Last time I dealt with multiple USB audio devices, they had unique > human-friendly IDs by default. My Logitech USB headset was called > Headset, and my FM transmitter was called RocketFM. > Apparently I was just lucky. > > Not sure how much you know about alsa, so I'll also mention that > you can see the human friendly IDs by looking for the symlinks in > /proc/asound. They're also listed in the output of aplay -l, but it's > sort of non-intuitive what they are. > > > Now, if I were really clever, I suppose I'd know how to write udev rules > > to insure that the Sennheiser gets a lower card ID than the C-Media > > device. > > Well if you send me the output of lsusb, I can probably write some udev rules > for you. Or alternatively have a look at http://alsa.opensrc.org/Udev for a > starting point. > > -- Chris > _______________________________________________ > Speakup mailing list > Speakup@linux-speakup.org > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup -- Janina Sajka, Phone: +1.443.300.2200 sip:janina@asterisk.rednote.net Email: janina@rednote.net Linux Foundation Fellow Executive Chair, Accessibility Workgroup: http://a11y.org The World Wide Web Consortium (W3C), Web Accessibility Initiative (WAI) Chair, Accessible Platform Architectures http://www.w3.org/wai/apa