From mboxrd@z Thu Jan 1 00:00:00 1970 From: ranshalit@gmail.com (Ran Shalit) Date: Wed, 28 Dec 2016 08:54:44 +0200 Subject: disable input event device In-Reply-To: <20161204103346.GA21178@kroah.com> References: <20161203131533.GA30965@kroah.com> <20161204103346.GA21178@kroah.com> Message-ID: To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Sun, Dec 4, 2016 at 12:33 PM, Greg KH wrote: > On Sat, Dec 03, 2016 at 07:18:50PM +0200, Ran Shalit wrote: >> >> >> On Sat, Dec 3, 2016 at 3:15 PM, Greg KH wrote: >> >> On Sat, Dec 03, 2016 at 02:43:30PM +0200, Ran Shalit wrote: >> > Hello, >> > >> > Is there some way to disable input event device ? >> > Maybe a way to disable its irq usage ? >> > >> > I actually rather do that from shell, not from kernel, because the kernel >> > source is not available, and I thought that issue is also relevant in the >> > forum. >> >> But the Linux kernel source is available, why not just not load the >> driver for the device you are wanting to not be "connected"? >> >> >> Hi Greg, >> >> I am trying to do that from android, in a device where the kernel source is not >> available :( ..... >> By the way, I think the company (No.1 for D6 smartwatch) should supply the >> source because kernel is GPL , Right ? > > Yes it is, please contact the company about this to get the source code > for your device. If you have problems with this, please try the Linux > Foundation's form for this type of thing at: > https://www.linuxsources.org/content/open-compliance-directory-request-contact-information > as it works really well. > >> Therefore I try to achieve it by doing some actions in shell. > > Disconnect the device from the driver by writing the device id to the > "unbind" sysfs file for the driver that is controling the device. > Examples of how to do this in detail should be on the web somewhere, I > think I wrote a lwn.net article about this a long time ago... > Hi, Just wanted to update: the unbind method worked with some kernels, but not all. In one device&kernel, after doing the unbind, on entering event, the device immediately has boot itself ! Yet , luckily, I have found another method which works: chmod 777 /dev/input/eventX rm /dev/input/eventX It works :) ! Thanks, Ran > good luck! > > greg k-h