From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Ott Subject: Re: [PATCH v4 0/1] HID: Report Descriptor in Sysfs Date: Tue, 15 Feb 2011 23:11:09 -0500 Message-ID: <4D5B4E5D.5060101@signal11.us> References: <20110123225935.GB12488@kroah.com> <1295841018-8561-1-git-send-email-alan@signal11.us> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from core.signal11.us ([64.251.29.136]:35644 "EHLO core.signal11.us" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751324Ab1BPELI (ORCPT ); Tue, 15 Feb 2011 23:11:08 -0500 Received: from localhost (localhost.localdomain [127.0.0.1]) by core.signal11.us (Postfix) with SMTP id CAD141CCABDC for ; Tue, 15 Feb 2011 23:11:07 -0500 (EST) In-Reply-To: <1295841018-8561-1-git-send-email-alan@signal11.us> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Alan Ott Cc: Randy Dunlap , Jiri Kosina , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, greg@kroah.com, stern@rowland.harvard.edu, Antonio Ospite On 01/23/2011 10:50 PM, Alan Ott wrote: > So I'd like to have access to the HID report descriptor in a sysfs entry, so > I can read it without opening the device. hid-core seemed like the place to > put it. > > Using the /sys/class links, for hidraw devices, this puts a new file, > report_descriptor in the directory: > /sys/class/hidraw/hidraw0/device/ > > For my USB device (for example), the new file is in: > /sys/bus/usb/devices/1-5.3:1.0/0003:046D:C216.0001/ > > For my Bluetooth device, the new file is in: > /sys/class/bluetooth/hci0/hci0:11/0005:054C:0268.0002/ > > I'm not super confident that these file locations are the best place, but I > made a best guess so that it could be discussed. The current location is > where the hid-core stuff lives. Is there a reason these directories are > named bus:vendor:product:id (instead of hid-core or something similar)? Is > there a better way to do this? > > Alan. > > Alan Ott (1): > hid: Add HID Report Descriptor to sysfs. > > Documentation/ABI/testing/sysfs-driver-hid | 10 ++++++++ > drivers/hid/hid-core.c | 33 ++++++++++++++++++++++++++++ > 2 files changed, 43 insertions(+), 0 deletions(-) > create mode 100644 Documentation/ABI/testing/sysfs-driver-hid > > I Didn't get any responses on the fixed-up patch. Does anyone have any issue with this? Alan.