Re: udev not creating /dev/input/event node for linux 2.6.24

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On Thu, Jul 24, 2008 at 13:46, Ram kumar <ramkumar.research@xxxxxxxxx> wrote:
> hi,
>
> udev is not able to create nodes for push buttons on my embedded
> platform.I am using at91sam9260 eval kit.I have built the filesystem
> and udev from the buildroot with linux 2.6.24
>
> I am not able to get the input from the push buttons.In the filesystem
> i am not able to find any /dev/input/event* entries.In the
> sys/class/input there is no entry for the push buttons.
>
> I have configured the kernel enabling the push button drivers and
> event interface.
>
> CONFIG_KEYBOARD_GPIO=y
> CONFIG_INPUT_EVDEV=y
> CONFIG_INPUT_EVBUG=y
>
> I also have udev configuration rules enabled for push buttons...
>
> The rule looks like this in the 50-udev-default.rules file.
>
> KERNEL=="event*",    NAME="input/%k", OWNER="root", GROUP="root", MODE="0644"
>
> Is it a bug in udev ??? or Please suggest how to overcome this error
> if anybody has come across this error.???

Check if the device exists in sysfs:
  ls -l /sys/class/input/event*

If it's not there, udev can't do anything, and you have to check the
kernel setup.

Kay
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