Merge branch 'fix/hda' into topic/hda

[mv-sheeva.git] / Documentation / ABI / testing / sysfs-gpio

diff --git a/Documentation/ABI/testing/sysfs-gpio b/Documentation/ABI/testing/sysfs-gpio
index 8aab8092ad35dd4bfc55188e22999651b572b24a..80f4c94c7befdc67e9ecfec2753238ee7811bc1b 100644 (file)
--- a/Documentation/ABI/testing/sysfs-gpio
+++ b/Documentation/ABI/testing/sysfs-gpio
@@ -19,6 +19,7 @@ Description:
        /gpioN ... for each exported GPIO #N
            /value ... always readable, writes fail for input GPIOs
            /direction ... r/w as: in, out (default low); write: high, low
+           /edge ... r/w as: none, falling, rising, both
        /gpiochipN ... for each gpiochip; #N is its first GPIO
            /base ... (r/o) same as N
            /label ... (r/o) descriptive, not necessarily unique