Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762017AbbBJELy (ORCPT ); Mon, 9 Feb 2015 23:11:54 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:42344 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756587AbbBJELj (ORCPT ); Mon, 9 Feb 2015 23:11:39 -0500 Date: Mon, 9 Feb 2015 20:11:38 -0800 From: Darren Hart To: Azael Avalos Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH resend 5/6] toshiba_acpi: Add support to enable/disable USB 3 Message-ID: <20150210041138.GC37927@fury.dvhart.com> References: <1423539294-2941-1-git-send-email-coproscefalo@gmail.com> <1423539294-2941-6-git-send-email-coproscefalo@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1423539294-2941-6-git-send-email-coproscefalo@gmail.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 859 Lines: 21 On Mon, Feb 09, 2015 at 08:34:53PM -0700, Azael Avalos wrote: > Toshiba laptops that come with USB 3 ports have a feature that lets > them disable USB 3 functionality and act as a regular USB 2 port, and > thus, saving power. > > This patch adds support to that feature, by creating a sysfs entry > named "usb_three", acceptig only two parameters, 0 to disable the > USB 3 (acting as a USB 2) and 1 to enable it. > Similar question, does the system BIOS allow you to configure this setting? If so, what would be the value for enabling it in the OS directly? -- Darren Hart Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/