Public bug reported:

[Impact]

Core24 exposes the raspi GPIO sysfs interface. It's a deprecated kernel
interface that was disabled in Kinetic. Snapd needs to change but that
won't happen for core24 so we need to turn it back on :-(

See bug #2096665.

[Fix]

Enable CONFIG_GPIO_SYSFS

[Test Case]

See bug #2096665.

[Where Problems Could Occur]

GPIO access through sysfs might interfere with other GPIO users like
gpiod which is the official way nowadays.

** Affects: linux-raspi (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: linux-raspi (Ubuntu Noble)
     Importance: Undecided
         Status: Confirmed

** Also affects: linux-raspi (Ubuntu Noble)
   Importance: Undecided
       Status: New

** Changed in: linux-raspi (Ubuntu Noble)
       Status: New => Confirmed

** Changed in: linux-raspi (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/2099685

Title:
  GPIO sysfs disabled in raspi kernel

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