The set the permission to 777 so anyone can access it. I know this
was fixed because I was previously getting the EACCES error when I
tried to open /dev/input/event2.
On Apr 29, 3:35 pm, Ashwin Bihari <abih...@gmail.com> wrote:
> What are the permissions of the /dev/input/event2 file? Perhaps you
> need to open it up so that everyone can open/access it?
>
> Regards
> -- Ashwin
>
>
>
> On Thu, Apr 29, 2010 at 5:54 PM, dirtytofu <simon...@gmail.com> wrote:
> > I am new to writing device drivers and I would like some guidance on
> > this matter.
>
> > I am trying to get a sensor working using Eclair.
>
> > On the kernel side I have set up the sensor to update its current
> > state as an input device. By using adb shell I have confirmed that my
> > sensor is functioning by using:
>
> > cat /dev/input/event2
>
> > Now my issue arises as I try to implement the HAL portion for the
> > sensor. Like KeyInputQueue and EventHub.cpp I am trying to open the
> > input event file and poll the input event. However if I perform an
> > ioctl on the opened input event file I constantly receive an ENOTTY
> > error.
>
> > Here is the portion of the code that is giving me issues:
>
> > char szName[80];
>
> > if(ioctl(fd, EVIOCGNAME(sizeof(szName) - 1), &szName) < 1) {
> > SFH7743_LOGD("Unable to find device name: %s",
> > strerror(errno));
> > szName[0] = '\0';
> > }
>
> > Funny thing is EventHub.cpp does the exact same operation to my device
> > as it scans the input directory and EventHub is able to successfully
> > retrieve the device's name.
>
> > I have been stuck on this for a while and any help would be wonderful.
>
> > Thanks!
>
> > --
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> > website:http://groups.google.com/group/android-porting
>
> --
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