[PATCH 3/3] media: adv7604: update timings on change of input signal

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Without this, g_crop will always return the boot-time state.

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@xxxxxxxxx>
---
 drivers/media/i2c/adv7604.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index 1bfa9f3..d7d0bb7 100644
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -1975,6 +1975,15 @@ static int adv76xx_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
 
 		v4l2_subdev_notify_event(sd, &adv76xx_ev_fmt);
 
+		/* update timings */
+		if (adv76xx_query_dv_timings(sd, &state->timings)
+		    == -ENOLINK) {
+			/* no signal, fall back to default timings */
+			const struct v4l2_dv_timings cea640x480 =
+				V4L2_DV_BT_CEA_640X480P59_94;
+			state->timings = cea640x480;
+		}
+
 		if (handled)
 			*handled = true;
 	}
-- 
2.6.3

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