From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lan Tianyu Subject: Re: [Resend PATCH V2 3/7] usb: Set device removable state based on ACPI USB data Date: Mon, 07 May 2012 09:38:15 +0800 Message-ID: <4FA72787.5000106@intel.com> References: <1336100803-28353-1-git-send-email-tianyu.lan@intel.com> <1336100803-28353-4-git-send-email-tianyu.lan@intel.com> <201205040824.17010.oneukum@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mga11.intel.com ([192.55.52.93]:15983 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754909Ab2EGBnU (ORCPT ); Sun, 6 May 2012 21:43:20 -0400 In-Reply-To: <201205040824.17010.oneukum@suse.de> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Oliver Neukum Cc: lenb@kernel.org, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-acpi@vger.kernel.org, stern@rowland.harvard.edu, sarah.a.sharp@linux.intel.com, mjg59@srcf.ucam.org, mfm@muteddisk.com, Matthew Garrett On 2012=E5=B9=B405=E6=9C=8804=E6=97=A5 14:24, Oliver Neukum wrote: > Am Freitag, 4. Mai 2012, 05:06:39 schrieb Lan Tianyu: >> >> From: Matthew Garrett >> >> ACPI offers two methods that allow us to infer whether or not a USB = port >> is removable. The _PLD method gives us information on whether the po= rt is >> "user visible" or not. If that's not present then we can fall back t= o the >> _UPC method which tells us whether or not a port is connectable. > > How does this act on bluetooth devices that are (dis)connected by swi= tches > on laptops? This depends on the bios. From my opinion, the bluetooth is device on t= he motherboard so it belongs to hard-wired type. > > Regards > Oliver > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi"= in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > --=20 Best Regards Tianyu Lan linux kernel enabling team -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html