From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Torokhov Subject: Re: Interacting with a input kernel driver from user space Date: Mon, 14 Nov 2011 15:34:49 -0800 Message-ID: <201111141534.49608.dmitry.torokhov@gmail.com> References: <4EC10878.20109@edigma.com> <201111141057.42310.dmitry.torokhov@gmail.com> <201111150017.17985.oneukum@suse.de> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:36891 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753425Ab1KNXe6 (ORCPT ); Mon, 14 Nov 2011 18:34:58 -0500 Received: by wyh15 with SMTP id 15so6483765wyh.19 for ; Mon, 14 Nov 2011 15:34:57 -0800 (PST) In-Reply-To: <201111150017.17985.oneukum@suse.de> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Oliver Neukum Cc: Nuno Santos , linux-input@vger.kernel.org On Monday, November 14, 2011 03:17:17 PM Oliver Neukum wrote: > Am Montag, 14. November 2011, 19:57:41 schrieb Dmitry Torokhov: > > On Monday, November 14, 2011 10:24:17 AM Nuno Santos wrote: > > > Hi, > > > > > > I have defined my first attribute in the following way: > > > > > > static ssize_t usbtouchscreen_update_sensibility(struct device *dev, > > > > > > struct device_attribute > > > *attr, const char *buf, > > > size_t count) > > > > > > { > > > > > > printk(KERN_INFO "update sensibility called"); > > > > Updating sensibility is always a good thing but I gather you mean > > sensitivity here... > > > > BTW this should probably be a per-user setting and belong to the X > > driver, not kernel driver. I.e. kernel streams all data and userspace > > (X) decides what data do discard according to current user > > preferences. > > Hi, > > before we define yet another interface specific to a driver, could we > discuss whether this interface could be applicable to a wider range of > devices? ... and whether it should be a kernel userspace at all... -- Dmitry