X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fvideo%2Fbridge%2Fvideo-bridge-uclass.c;h=cd4959cc71dfac5c2e270d8aa82cda4b779f2203;hb=d4e5aff8361e2242f4175b98a7ddf370fc2fec39;hp=6c5990f54ce19efe2793590a6e9f388a0466f5d4;hpb=ae27120c31d58b8bb694d9155bcffdcfae8552a6;p=u-boot

diff --git a/drivers/video/bridge/video-bridge-uclass.c b/drivers/video/bridge/video-bridge-uclass.c
index 6c5990f54c..cd4959cc71 100644
--- a/drivers/video/bridge/video-bridge-uclass.c
+++ b/drivers/video/bridge/video-bridge-uclass.c
@@ -1,13 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2015 Google, Inc
  * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
 #include <dm.h>
 #include <errno.h>
+#include <edid.h>
 #include <video_bridge.h>
 
 int video_bridge_set_backlight(struct udevice *dev, int percent)
@@ -45,6 +45,15 @@ int video_bridge_check_attached(struct udevice *dev)
 	return ops->check_attached(dev);
 }
 
+int video_bridge_read_edid(struct udevice *dev, u8 *buf, int buf_size)
+{
+	struct video_bridge_ops *ops = video_bridge_get_ops(dev);
+
+	if (!ops || !ops->read_edid)
+		return -ENOSYS;
+	return ops->read_edid(dev, buf, buf_size);
+}
+
 static int video_bridge_pre_probe(struct udevice *dev)
 {
 	struct video_bridge_priv *uc_priv = dev_get_uclass_priv(dev);
@@ -55,7 +64,8 @@ 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 +80,8 @@ 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 +94,10 @@ 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;