From: Hans Verkuil <hans.verk...@cisco.com>
Improve the querystd comment.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/media/v4l2-core/v4l2-ioctl.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c
b/drivers/media/v4l2-core/v4l2-ioctl.c
index f81bda1..768f606 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1407,10 +1407,10 @@ static int v4l_querystd(const struct v4l2_ioctl_ops
*ops,
v4l2_std_id *p = arg;
/*
- * If nothing detected, it should return all supported
- * standard.
- * Drivers just need to mask the std argument, in order
- * to remove the standards that don't apply from the mask.
+ * If no signal is detected, then the driver should return
+ * V4L2_STD_UNKNOWN. Otherwise it should return tvnorms with
+ * any standards that do not apply removed.
+ *
* This means that tuners, audio and video decoders can join
* their efforts to improve the standards detection.
*/
--
1.7.10.4
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