From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from plane.gmane.org ([80.91.229.3]:41660 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751550Ab2LJVPL (ORCPT ); Mon, 10 Dec 2012 16:15:11 -0500 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1TiAh7-0007rt-TZ for linux-media@vger.kernel.org; Mon, 10 Dec 2012 22:15:21 +0100 Received: from cpc3-heme9-2-0-cust93.9-1.cable.virginmedia.com ([81.111.156.94]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 10 Dec 2012 22:15:21 +0100 Received: from mariofutire by cpc3-heme9-2-0-cust93.9-1.cable.virginmedia.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 10 Dec 2012 22:15:21 +0100 To: linux-media@vger.kernel.org From: andrea Subject: Understanding v4l2-ctl flags Date: Mon, 10 Dec 2012 21:14:59 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Hi, I have a Logitech webcam under PWC. I've managed to use v4l2-ctl to change come controls, but some of them seem to be unsupported. v4l2-ctl reports the following flags inactive update slider write-only ** no flags at all ** e.g. restore_factory_settings (button) : flags=update, write-only What is the meaning of them? I can guess that inactive means unsupported, but do I care about the others?