Print media device information when called with -p/--print

In addition to printing pipeline information, print the media device
information.

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

3 files changed, 31 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index c04e12f..d8bd150 100644
--- a/src/main.c
+++ b/src/main.c
@@ -301,6 +301,27 @@ int main(int argc, char **argv)
 		goto out;
 	}
 
+	if (media_opts.print) {
+		printf("Media controller API version %u.%u.%u\n\n",
+		       (media->info.media_version << 16) & 0xff,
+		       (media->info.media_version << 8) & 0xff,
+		       (media->info.media_version << 0) & 0xff);
+		printf("Media device information\n"
+		       "------------------------\n"
+		       "driver          %s\n"
+		       "model           %s\n"
+		       "serial          %s\n"
+		       "bus info        %s\n"
+		       "hw revision     0x%x\n"
+		       "driver version  %u.%u.%u\n\n",
+		       media->info.driver, media->info.model,
+		       media->info.serial, media->info.bus_info,
+		       media->info.hw_revision,
+		       (media->info.driver_version << 16) & 0xff,
+		       (media->info.driver_version << 8) & 0xff,
+		       (media->info.driver_version << 0) & 0xff);
+	}
+
 	if (media_opts.entity) {
 		struct media_entity *entity;
 
diff --git a/src/mediactl.c b/src/mediactl.c
index c5da471..5b8c587 100644
--- a/src/mediactl.c
+++ b/src/mediactl.c
@@ -452,6 +452,15 @@ struct media_device *media_open_debug(
 		return NULL;
 	}
 
+	ret = ioctl(media->fd, MEDIA_IOC_DEVICE_INFO, &media->info);
+	if (ret < 0) {
+		media_dbg(media, "%s: Unable to retrieve media device "
+			  "information for device %s (%s)\n", __func__,
+			  name, strerror(errno));
+		media_close(media);
+		return NULL;
+	}
+
 	media_dbg(media, "Enumerating entities\n");
 
 	ret = media_enum_entities(media);
diff --git a/src/mediactl.h b/src/mediactl.h
index d4dfc65..1b47b7e 100644
--- a/src/mediactl.h
+++ b/src/mediactl.h
@@ -54,6 +54,7 @@ struct media_entity {
 
 struct media_device {
 	int fd;
+	struct media_device_info info;
 	struct media_entity *entities;
 	unsigned int entities_count;
 	void (*debug_handler)(void *, ...);