[PATCH v3 13/46] media: rkisp1: Move sensor .s_stream() call to ISP

[Laurent Pinchart]

Move the calls to the active sensor's .s_stream() operation to the ISP
subdev's .s_stream(). This groups all handling of the active sensor in
one place, preparing for a rework of that code.

Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Reviewed-by: Dafna Hirschfeld <dafna at fastmail.com>
---
 .../media/platform/rockchip/rkisp1/rkisp1-capture.c  | 12 +-----------
 drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c  | 11 +++++++++++
 2 files changed, 12 insertions(+), 11 deletions(-)

diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
index fb14c8aa154c..d5904c96ff3f 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
@@ -926,11 +926,8 @@ static void rkisp1_pipeline_stream_disable(struct rkisp1_capture *cap)
 	 * If the other capture is streaming, isp and sensor nodes shouldn't
 	 * be disabled, skip them.
 	 */
-	if (rkisp1->pipe.streaming_count < 2) {
-		v4l2_subdev_call(rkisp1->active_sensor->sd, video, s_stream,
-				 false);
+	if (rkisp1->pipe.streaming_count < 2)
 		v4l2_subdev_call(&rkisp1->isp.sd, video, s_stream, false);
-	}
 
 	v4l2_subdev_call(&rkisp1->resizer_devs[cap->id].sd, video, s_stream,
 			 false);
@@ -966,15 +963,8 @@ static int rkisp1_pipeline_stream_enable(struct rkisp1_capture *cap)
 	if (ret)
 		goto err_disable_rsz;
 
-	ret = v4l2_subdev_call(rkisp1->active_sensor->sd, video, s_stream,
-			       true);
-	if (ret)
-		goto err_disable_isp;
-
 	return 0;
 
-err_disable_isp:
-	v4l2_subdev_call(&rkisp1->isp.sd, video, s_stream, false);
 err_disable_rsz:
 	v4l2_subdev_call(&rkisp1->resizer_devs[cap->id].sd, video, s_stream,
 			 false);
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
index 8aa4c0b85510..689885ac2e84 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c
@@ -857,6 +857,9 @@ static int rkisp1_isp_s_stream(struct v4l2_subdev *sd, int enable)
 	int ret = 0;
 
 	if (!enable) {
+		v4l2_subdev_call(rkisp1->active_sensor->sd, video, s_stream,
+				 false);
+
 		rkisp1_isp_stop(rkisp1);
 		rkisp1_mipi_csi2_stop(rkisp1->active_sensor);
 		return 0;
@@ -886,6 +889,14 @@ static int rkisp1_isp_s_stream(struct v4l2_subdev *sd, int enable)
 
 	rkisp1_isp_start(rkisp1);
 
+	ret = v4l2_subdev_call(rkisp1->active_sensor->sd, video, s_stream,
+			       true);
+	if (ret) {
+		rkisp1_isp_stop(rkisp1);
+		rkisp1_mipi_csi2_stop(rkisp1->active_sensor);
+		goto mutex_unlock;
+	}
+
 mutex_unlock:
 	mutex_unlock(&isp->ops_lock);
 	return ret;
-- 
Regards,

Laurent Pinchart