Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/drivers/media/platform/exynos4-is/common.c b/drivers/media/platform/exynos4-is/common.c
new file mode 100644
index 000000000..b90f5bb15
--- /dev/null
+++ b/drivers/media/platform/exynos4-is/common.c
@@ -0,0 +1,52 @@
+/*
+ * Samsung S5P/EXYNOS4 SoC Camera Subsystem driver
+ *
+ * Copyright (C) 2013 Samsung Electronics Co., Ltd.
+ * Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <media/drv-intf/exynos-fimc.h>
+#include "common.h"
+
+/* Called with the media graph mutex held or entity->stream_count > 0. */
+struct v4l2_subdev *fimc_find_remote_sensor(struct media_entity *entity)
+{
+	struct media_pad *pad = &entity->pads[0];
+	struct v4l2_subdev *sd;
+
+	while (pad->flags & MEDIA_PAD_FL_SINK) {
+		/* source pad */
+		pad = media_entity_remote_pad(pad);
+		if (!pad || !is_media_entity_v4l2_subdev(pad->entity))
+			break;
+
+		sd = media_entity_to_v4l2_subdev(pad->entity);
+
+		if (sd->grp_id == GRP_ID_FIMC_IS_SENSOR ||
+		    sd->grp_id == GRP_ID_SENSOR)
+			return sd;
+		/* sink pad */
+		pad = &sd->entity.pads[0];
+	}
+	return NULL;
+}
+EXPORT_SYMBOL(fimc_find_remote_sensor);
+
+void __fimc_vidioc_querycap(struct device *dev, struct v4l2_capability *cap,
+						unsigned int caps)
+{
+	strlcpy(cap->driver, dev->driver->name, sizeof(cap->driver));
+	strlcpy(cap->card, dev->driver->name, sizeof(cap->card));
+	snprintf(cap->bus_info, sizeof(cap->bus_info),
+				"platform:%s", dev_name(dev));
+	cap->device_caps = caps;
+	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+}
+EXPORT_SYMBOL(__fimc_vidioc_querycap);
+
+MODULE_LICENSE("GPL");