From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH 0/6] Introduce audio-mute LED trigger (and
 conversions to it)
Date: Fri, 30 Nov 2018 12:42:34 +0200
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To: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: alsa-devel@alsa-project.org, Ayman Bagabas <ayman.bagabas@gmail.com>, Takashi Iwai <tiwai@suse.de>, platform-driver-x86@vger.kernel.org, Hui Wang <hui.wang@canonical.com>, ibm-acpi-devel@lists.sourceforge.net, Pavel Machek <pavel@ucw.cz>, Pali =?iso-8859-1?Q?Roh=E1r?= <pali.rohar@gmail.com>, linux-leds@vger.kernel.org
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On Thu, Nov 29, 2018 at 10:23:31PM +0100, Jacek Anaszewski wrote:

> Regarding sound devices - how would we name micmute LED for USB
> microphone? I suppose that it is possible to discover some unique
> identifier in runtime - this is a question to ALSA people.

USB path (e.g. 2-1.1.2.4.3) + '::' + name ?

-- 
With Best Regards,
Andy Shevchenko