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Subject[PATCH] gpio/board.txt: point to gpiod_set_value

gpiod_set_value() is preffered interface these days, so add a
pointer. Also fix a missing ).

Signed-off-by: Pavel Machek <>

diff --git a/Documentation/gpio/board.txt b/Documentation/gpio/board.txt
index 86d3fa9..589e789 100644
--- a/Documentation/gpio/board.txt
+++ b/Documentation/gpio/board.txt
@@ -6,7 +6,7 @@ Note that it only applies to the new descriptor-based interface. For a
description of the deprecated integer-based GPIO interface please refer to
gpio-legacy.txt (actually, there is no real mapping possible with the old
interface; you just fetch an integer from somewhere and request the
-corresponding GPIO.
+corresponding GPIO).

Platforms that make use of GPIOs must select ARCH_REQUIRE_GPIOLIB (if GPIO usage
is mandatory) or ARCH_WANT_OPTIONAL_GPIOLIB (if GPIO support can be omitted) in
@@ -165,3 +165,6 @@ signals to 1, i.e. enabling the LEDs. And for the "power" GPIO, which is mapped
as active-low, its actual signal will be 0 after this code. Contrary to the legacy
integer GPIO interface, the active-low property is handled during mapping and is
thus transparent to GPIO consumers.
+Set of functions such as gpiod_set_value() is available to work with
+this interface.
(cesky, pictures)
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