Some video bridges will not have GPIOs to control reset, etc. Allow these
to be optional.
Signed-off-by: Simon Glass <s...@chromium.org>
---
drivers/video/bridge/video-bridge-uclass.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/video/bridge/video-bridge-uclass.c
b/drivers/video/bridge/video-bridge-uclass.c
index 6c5990f..07270ba 100644
--- a/drivers/video/bridge/video-bridge-uclass.c
+++ b/drivers/video/bridge/video-bridge-uclass.c
@@ -55,7 +55,8 @@ static int video_bridge_pre_probe(struct udevice *dev)
&uc_priv->sleep, GPIOD_IS_OUT);
if (ret) {
debug("%s: Could not decode sleep-gpios (%d)\n", __func__, ret);
- return ret;
+ if (ret != -ENOENT)
+ return ret;
}
/*
* Drop this for now as we do not have driver model pinctrl support
@@ -70,7 +71,8 @@ static int video_bridge_pre_probe(struct udevice *dev)
GPIOD_IS_OUT);
if (ret) {
debug("%s: Could not decode reset-gpios (%d)\n", __func__, ret);
- return ret;
+ if (ret != -ENOENT)
+ return ret;
}
/*
* Drop this for now as we do not have driver model pinctrl support
@@ -83,9 +85,10 @@ static int video_bridge_pre_probe(struct udevice *dev)
*/
ret = gpio_request_by_name(dev, "hotplug-gpios", 0, &uc_priv->hotplug,
GPIOD_IS_IN);
- if (ret && ret != -ENOENT) {
+ if (ret) {
debug("%s: Could not decode hotplug (%d)\n", __func__, ret);
- return ret;
+ if (ret != -ENOENT)
+ return ret;
}
return 0;
--
2.6.0.rc2.230.g3dd15c0
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
