omap3isp: Retrieve media device information in media_open()

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

2 files changed, 9 insertions, 0 deletions

diff --git a/isp/media.c b/isp/media.c
index d2082f0..94efab8 100644
--- a/isp/media.c
+++ b/isp/media.c
@@ -342,6 +342,14 @@ struct media_device *media_open(const char *name, int verbose)
 		return NULL;
 	}
 
+	ret = ioctl(media->fd, MEDIA_IOC_DEVICE_INFO, &media->info);
+	if (ret < 0) {
+		printf("%s: Unable to retrieve media device information for "
+		       "device %s (%s)\n", __func__, name, strerror(errno));
+		media_close(media);
+		return NULL;
+	}
+
 	if (verbose)
 		printf("Enumerating entities\n");
 
diff --git a/isp/media.h b/isp/media.h
index 7940915..81031e0 100644
--- a/isp/media.h
+++ b/isp/media.h
@@ -51,6 +51,7 @@ struct media_entity {
 
 struct media_device {
 	int fd;
+	struct media_device_info info;
 	struct media_entity *entities;
 	unsigned int entities_count;
 };