linux-kernel - [PATCH 0/5] HID: roccat: Achieve userspace notification on sysfs attribute creation

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Date:	Fri, 26 Nov 2010 20:57:24 +0100
From:	Stefan Achatz <erazor_de@...rs.sourceforge.net>
To:	Randy Dunlap <rdunlap@...otime.net>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Jiri Kosina <jkosina@...e.cz>,
	Stefan Achatz <erazor_de@...rs.sourceforge.net>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH 0/5] HID: roccat: Achieve userspace notification on sysfs
 attribute creation

Adding sysfs attributes to an already created device raises no userland
notification.

Instead of fiddling around in the depths of busses and devices I reuse the
event char device (module hid-roccat). This device gets now created with
a hardware specific class that contains the device attributes.

For this I had to introduce support for binary attributes into struct class.

This is afaik the easiest way to achieve said goal. If these patches get
applied I can upload a new version of my userland tools that is compatible
with old and new drivers in an instant.

As there are quite a couple of unapplied patches flying around, I decided
to base these patches on 2.6.37-rc2 and designed them to contain everything
pending and so make all unapplied patches obsolete.

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