[PATCH 4.16 143/161] media: vivid: fix incorrect capabilities for radio

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4.16-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Hans Verkuil <hverkuil@xxxxxxxxx>

[ Upstream commit 65243386f41d38460bfd4375d231a7c0346d0401 ]

The vivid driver has two custom controls that change the behavior of RDS.
Depending on the control setting the V4L2_CAP_READWRITE capability is toggled.
However, after an earlier commit the capability was no longer set correctly.
This is now fixed.

Fixes: 9765a32cd8 ("vivid: set device_caps in video_device")

Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/media/platform/vivid/vivid-ctrls.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/media/platform/vivid/vivid-ctrls.c
+++ b/drivers/media/platform/vivid/vivid-ctrls.c
@@ -1208,6 +1208,7 @@ static int vivid_radio_rx_s_ctrl(struct
 		v4l2_ctrl_activate(dev->radio_rx_rds_ta, dev->radio_rx_rds_controls);
 		v4l2_ctrl_activate(dev->radio_rx_rds_tp, dev->radio_rx_rds_controls);
 		v4l2_ctrl_activate(dev->radio_rx_rds_ms, dev->radio_rx_rds_controls);
+		dev->radio_rx_dev.device_caps = dev->radio_rx_caps;
 		break;
 	case V4L2_CID_RDS_RECEPTION:
 		dev->radio_rx_rds_enabled = ctrl->val;
@@ -1282,6 +1283,7 @@ static int vivid_radio_tx_s_ctrl(struct
 		dev->radio_tx_caps &= ~V4L2_CAP_READWRITE;
 		if (!dev->radio_tx_rds_controls)
 			dev->radio_tx_caps |= V4L2_CAP_READWRITE;
+		dev->radio_tx_dev.device_caps = dev->radio_tx_caps;
 		break;
 	case V4L2_CID_RDS_TX_PTY:
 		if (dev->radio_rx_rds_controls)





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