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[06/32] media: rcar-vin: fix standard in input enumeration

Message ID 20161102132329.436-7-niklas.soderlund+renesas@ragnatech.se (mailing list archive)
State New, archived
Headers show

Commit Message

Niklas Söderlund Nov. 2, 2016, 1:23 p.m. UTC 
If the subdevice supports dv_timings_cap the driver should not fill in
the standard. Also don't use the standard from probe time ask the
subdevice each time, this is done in preparation for Gen3 support where
the source subdevice might change during runtime.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
---
 drivers/media/platform/rcar-vin/rcar-v4l2.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index 610f59e..f9218f2 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -483,10 +483,16 @@  static int rvin_enum_input(struct file *file, void *priv,
 		return ret;
 
 	i->type = V4L2_INPUT_TYPE_CAMERA;
-	i->std = vin->vdev.tvnorms;
 
-	if (v4l2_subdev_has_op(sd, pad, dv_timings_cap))
+	if (v4l2_subdev_has_op(sd, pad, dv_timings_cap)) {
 		i->capabilities = V4L2_IN_CAP_DV_TIMINGS;
+		i->std = 0;
+	} else {
+		i->capabilities = V4L2_IN_CAP_STD;
+		ret = v4l2_subdev_call(sd, video, g_tvnorms, &i->std);
+		if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV)
+			return ret;
+	}
 
 	strlcpy(i->name, "Camera", sizeof(i->name));