[media] v4l2-dv-timings: add v4l2_print_dv_timings helper
Drivers often have to log the contents of a dv_timings struct. Adding
this helper will make it easier for drivers to do so.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/include/media/v4l2-dv-timings.h b/include/media/v4l2-dv-timings.h
index 4c7bb54..696e5c2 100644
--- a/include/media/v4l2-dv-timings.h
+++ b/include/media/v4l2-dv-timings.h
@@ -76,6 +76,15 @@
const struct v4l2_dv_timings *standard,
unsigned pclock_delta);
+/** v4l2_print_dv_timings() - log the contents of a dv_timings struct
+ * @dev_prefix:device prefix for each log line.
+ * @prefix: additional prefix for each log line, may be NULL.
+ * @t: the timings data.
+ * @detailed: if true, give a detailed log.
+ */
+void v4l2_print_dv_timings(const char *dev_prefix, const char *prefix,
+ const struct v4l2_dv_timings *t, bool detailed);
+
/** v4l2_detect_cvt - detect if the given timings follow the CVT standard
* @frame_height - the total height of the frame (including blanking) in lines.
* @hfreq - the horizontal frequency in Hz.