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-rw-r--r--Documentation/ABI/testing/sysfs-gpio1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-gpio b/Documentation/ABI/testing/sysfs-gpio
index 8aab8092ad35..80f4c94c7bef 100644
--- a/Documentation/ABI/testing/sysfs-gpio
+++ b/Documentation/ABI/testing/sysfs-gpio
@@ -19,6 +19,7 @@ Description:
19 /gpioN ... for each exported GPIO #N 19 /gpioN ... for each exported GPIO #N
20 /value ... always readable, writes fail for input GPIOs 20 /value ... always readable, writes fail for input GPIOs
21 /direction ... r/w as: in, out (default low); write: high, low 21 /direction ... r/w as: in, out (default low); write: high, low
22 /edge ... r/w as: none, falling, rising, both
22 /gpiochipN ... for each gpiochip; #N is its first GPIO 23 /gpiochipN ... for each gpiochip; #N is its first GPIO
23 /base ... (r/o) same as N 24 /base ... (r/o) same as N
24 /label ... (r/o) descriptive, not necessarily unique 25 /label ... (r/o) descriptive, not necessarily unique