diff options
Diffstat (limited to 'Documentation/ABI/obsolete/sysfs-gpio')
| -rw-r--r-- | Documentation/ABI/obsolete/sysfs-gpio | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/ABI/obsolete/sysfs-gpio b/Documentation/ABI/obsolete/sysfs-gpio index e0d4e5e2dd90..b8b0fd341c17 100644 --- a/Documentation/ABI/obsolete/sysfs-gpio +++ b/Documentation/ABI/obsolete/sysfs-gpio @@ -13,6 +13,8 @@ Description: GPIOs are identified as they are inside the kernel, using integers in the range 0..INT_MAX. See Documentation/admin-guide/gpio for more information. + :: + /sys/class/gpio /export ... asks the kernel to export a GPIO to userspace /unexport ... to return a GPIO to the kernel |