Provide functions for setting the buffer type and checking its validity

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>

1 files changed, 10 insertions, 0 deletions

diff --git a/yavta.c b/yavta.c
index c7ad7b4..d8f0c59 100644
--- a/yavta.c
+++ b/yavta.c
@@ -220,6 +220,16 @@ static const char *v4l2_format_name(unsigned int fourcc)
 	return name;
 }
 
+static void video_set_buf_type(struct device *dev, enum v4l2_buf_type type)
+{
+	dev->type = type;
+}
+
+static bool video_has_valid_buf_type(struct device *dev)
+{
+	return (int)dev->type != -1;
+}
+
 static void video_init(struct device *dev)
 {
 	memset(dev, 0, sizeof *dev);