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[04/11] media: rcar-vin: fix standard in input enumeration

Message ID 20170131154016.15526-5-niklas.soderlund+renesas@ragnatech.se (mailing list archive)
State New, archived
Headers show

Commit Message

Niklas Söderlund Jan. 31, 2017, 3:40 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.

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 610f59e2a9142622..f9218f230322eb0b 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));