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video: bridge: Allow GPIOs to be optional

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Some video bridges will not have GPIOs to control reset, etc. Allow these
to be optional.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2016-01-21 19:44:53 -07:00
parent 68dcdc99c5
commit d4bf91ada1
1 changed files with 7 additions and 4 deletions
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5
drivers/video/bridge/video-bridge-uclass.c
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@@ -55,6 +55,7 @@ static int video_bridge_pre_probe(struct udevice *dev)
&uc_priv->sleep, GPIOD_IS_OUT); &uc_priv->sleep, GPIOD_IS_OUT);
if (ret) { if (ret) {
debug("%s: Could not decode sleep-gpios (%d)\n", __func__, ret); debug("%s: Could not decode sleep-gpios (%d)\n", __func__, ret);
if (ret != -ENOENT)
return ret; return ret;
} }
/* /*
@@ -70,6 +71,7 @@ static int video_bridge_pre_probe(struct udevice *dev)
GPIOD_IS_OUT); GPIOD_IS_OUT);
if (ret) { if (ret) {
debug("%s: Could not decode reset-gpios (%d)\n", __func__, ret); debug("%s: Could not decode reset-gpios (%d)\n", __func__, ret);
if (ret != -ENOENT)
return ret; return ret;
} }
/* /*
@@ -83,8 +85,9 @@ static int video_bridge_pre_probe(struct udevice *dev)
*/ */
ret = gpio_request_by_name(dev, "hotplug-gpios", 0, &uc_priv->hotplug, ret = gpio_request_by_name(dev, "hotplug-gpios", 0, &uc_priv->hotplug,
GPIOD_IS_IN); GPIOD_IS_IN);
if (ret && ret != -ENOENT) { if (ret) {
debug("%s: Could not decode hotplug (%d)\n", __func__, ret); debug("%s: Could not decode hotplug (%d)\n", __func__, ret);
if (ret != -ENOENT)
return ret; return ret;
} }