public inbox for linux-media@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH] uvcvideo: check minimum border of control
@ 2010-01-26 21:37 Németh Márton
  2010-01-29 16:09 ` Mauro Carvalho Chehab
  2010-02-03  0:17 ` Laurent Pinchart
  0 siblings, 2 replies; 7+ messages in thread
From: Németh Márton @ 2010-01-26 21:37 UTC (permalink / raw)
  To: Laurent Pinchart; +Cc: V4L Mailing List

Check also the minimum border of a value before setting it
to a control value.

See also http://bugzilla.kernel.org/show_bug.cgi?id=12824 .

Signed-off-by: Márton Németh <nm127@freemail.hu>
---
 drivers/media/video/uvc/uvc_ctrl.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -1068,6 +1068,8 @@ int uvc_ctrl_set(struct uvc_video_chain *chain,
 				    uvc_ctrl_data(ctrl, UVC_CTRL_DATA_RES));

 		xctrl->value = min + (xctrl->value - min + step/2) / step * step;
+		if (xctrl->value < min)
+			xctrl->value = min;
 		if (xctrl->value > max)
 			xctrl->value = max;
 		value = xctrl->value;


^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2010-02-03  0:16 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-01-26 21:37 [PATCH] uvcvideo: check minimum border of control Németh Márton
2010-01-29 16:09 ` Mauro Carvalho Chehab
2010-01-29 17:03   ` Németh Márton
2010-01-29 17:06     ` Mauro Carvalho Chehab
2010-01-29 17:12       ` Németh Márton
2010-01-29 17:20         ` Mauro Carvalho Chehab
2010-02-03  0:17 ` Laurent Pinchart

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox