[PATCH AUTOSEL 5.2 075/185] media: omap3isp: Don't set streaming state on random subdevs

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From: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>

[ Upstream commit 7ef57be07ac146e70535747797ef4aee0f06e9f9 ]

The streaming state should be set to the first upstream sub-device only,
not everywhere, for a sub-device driver itself knows how to best control
the streaming state of its own upstream sub-devices.

Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/media/platform/omap3isp/isp.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/media/platform/omap3isp/isp.c b/drivers/media/platform/omap3isp/isp.c
index 38849f0ba09d3..8a87f427c056e 100644
--- a/drivers/media/platform/omap3isp/isp.c
+++ b/drivers/media/platform/omap3isp/isp.c
@@ -719,6 +719,10 @@ static int isp_pipeline_enable(struct isp_pipeline *pipe,
 					s_stream, mode);
 			pipe->do_propagation = true;
 		}
+
+		/* Stop at the first external sub-device. */
+		if (subdev->dev != isp->dev)
+			break;
 	}
 
 	return 0;
@@ -833,6 +837,10 @@ static int isp_pipeline_disable(struct isp_pipeline *pipe)
 						      &subdev->entity);
 			failure = -ETIMEDOUT;
 		}
+
+		/* Stop at the first external sub-device. */
+		if (subdev->dev != isp->dev)
+			break;
 	}
 
 	return failure;
-- 
2.20.1




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