diff options
| author | Anton Staaf <robotboy@chromium.org> | 2016-01-13 11:14:23 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-01-19 14:24:40 -0800 |
| commit | 6e4e1ccc8217ac8b318b885dae78b3c1996ca71e (patch) | |
| tree | 02740e3467d89dce03726f6c6ed78d149b56335d /include/gpio.h | |
| parent | e933d0b7b6984bc8abf40b3364695d9955a9a426 (diff) | |
| download | chrome-ec-6e4e1ccc8217ac8b318b885dae78b3c1996ca71e.tar.gz | |
GPIO: Add gpio_reset function
The gpio_reset function returns a GPIO to its initialy configured state.
Using it removes a few more uses of gpio_list.
Signed-off-by: Anton Staaf <robotboy@chromium.org>
BRANCH=None
BUG=None
TEST=make buildall -j
Change-Id: Ie24e8e8a96d0ff50f521a918e80ed2b379f8c1a9
Reviewed-on: https://chromium-review.googlesource.com/321951
Commit-Ready: Anton Staaf <robotboy@chromium.org>
Tested-by: Anton Staaf <robotboy@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'include/gpio.h')
| -rw-r--r-- | include/gpio.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/gpio.h b/include/gpio.h index 117cd2a5ba..02bdcc4f6f 100644 --- a/include/gpio.h +++ b/include/gpio.h @@ -192,6 +192,17 @@ void gpio_set_flags(enum gpio_signal signal, int flags); void gpio_set_level(enum gpio_signal signal, int value); /** + * Reset the GPIO flags and alternate function state + * + * This returns the GPIO to it's default state of being a GPIO (not + * configured as an alternate function) with its default flags (those + * specified in gpio.inc when it was defined). + * + * @param signal Signal to reset + */ +void gpio_reset(enum gpio_signal signal); + +/** * Enable interrupts for the signal. * * The signal must have been defined with |