linux-kernel - Re: [PATCH v4 0/1] HID: Report Descriptor in Sysfs

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Date:	Tue, 15 Feb 2011 23:11:09 -0500
From:	Alan Ott <alan@...nal11.us>
To:	Alan Ott <alan@...nal11.us>
Cc:	Randy Dunlap <rdunlap@...otime.net>, Jiri Kosina <jkosina@...e.cz>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org, greg@...ah.com,
	stern@...land.harvard.edu,
	Antonio Ospite <ospite@...denti.unina.it>
Subject: Re: [PATCH v4 0/1] HID: Report Descriptor in Sysfs

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.


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