diff mbox

adv7511: the h/vsync polarities were always positive

Message ID 577BB445.10402@cisco.com (mailing list archive)
State Accepted, archived
Delegated to: Hans Verkuil
Headers

Commit Message

Hans Verkuil (hansverk) July 5, 2016, 1:21 p.m. UTC 
  Correctly set the h/vsync polarities instead of keeping to the
default (positive).

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---
 drivers/media/i2c/adv7511.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox

Patch

diff --git a/drivers/media/i2c/adv7511.c b/drivers/media/i2c/adv7511.c
index 161cbdb..f062694 100644
--- a/drivers/media/i2c/adv7511.c
+++ b/drivers/media/i2c/adv7511.c
@@ -763,6 +763,11 @@  static int adv7511_s_dv_timings(struct v4l2_subdev *sd,
 	/* save timings */
 	state->dv_timings = *timings;

+	/* set h/vsync polarities */
+	adv7511_wr_and_or(sd, 0x17, 0x9f,
+		((timings->bt.polarities & V4L2_DV_VSYNC_POS_POL) ? 0 : 0x40) |
+		((timings->bt.polarities & V4L2_DV_HSYNC_POS_POL) ? 0 : 0x20));
+
 	/* update quantization range based on new dv_timings */
 	adv7511_set_rgb_quantization_mode(sd, state->rgb_quantization_range_ctrl);