summaryrefslogtreecommitdiff
path: root/include/backlight.h
diff options
context:
space:
mode:
authorJett Rink <jettrink@chromium.org>2018-01-17 16:53:59 -0800
committerchrome-bot <chrome-bot@chromium.org>2018-01-18 05:09:37 -0800
commitd52ba1a4d4801fdba129be64fa4c1c53a7ced817 (patch)
tree65cfc3e4ddbc51ff66abfee280783c83ae09a3d6 /include/backlight.h
parent289347ad6aa4aae56cb90b42b6655ae49ecbb337 (diff)
downloadchrome-ec-d52ba1a4d4801fdba129be64fa4c1c53a7ced817.tar.gz
backlight: Adding support for active low GPIO signal
BUG=b:72007261 BRANCH=none TEST=Verified with grunt board (with is active low) Change-Id: I9a58148b8d92065bec982071ed1d97a466197e9a Signed-off-by: Jett Rink <jettrink@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/872233 Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Edward Hill <ecgh@chromium.org>
Diffstat (limited to 'include/backlight.h')
-rw-r--r--include/backlight.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/backlight.h b/include/backlight.h
index 4a11e15a4a..8cce6338fa 100644
--- a/include/backlight.h
+++ b/include/backlight.h
@@ -22,4 +22,9 @@ void backlight_interrupt(enum gpio_signal signal);
static inline void backlight_interrupt(enum gpio_signal signal) { }
#endif /* !CONFIG_BACKLIGHT_REQ_GPIO */
+/**
+ * Activate/Deactivate the backlight GPIO pin considering active high or low.
+ */
+void enable_backlight(int enabled);
+
#endif /* __CROS_EC_BACKLIGHT_H */