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[v2,02/10] s5p-fimc: Add error checks for pipeline stream on callbacks

Message ID 1364318992-20562-3-git-send-email-s.nawrocki@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sylwester Nawrocki/Kernel \(PLT\) /SRPOL/Staff Engineer/Samsung Electronics March 26, 2013, 5:29 p.m. UTC 
From: Andrzej Hajda <a.hajda@samsung.com>

set_stream error for pipelines is logged or reported to user
space if possible.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/media/platform/s5p-fimc/fimc-capture.c |   15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)
diff mbox

Patch

diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c
index 344e85e..3f3ceb2 100644
--- a/drivers/media/platform/s5p-fimc/fimc-capture.c
+++ b/drivers/media/platform/s5p-fimc/fimc-capture.c
@@ -286,8 +286,8 @@  static int start_streaming(struct vb2_queue *q, unsigned int count)
 		fimc_activate_capture(ctx);
 
 		if (!test_and_set_bit(ST_CAPT_ISP_STREAM, &fimc->state))
-			fimc_pipeline_call(fimc, set_stream,
-					   &fimc->pipeline, 1);
+			return fimc_pipeline_call(fimc, set_stream,
+						  &fimc->pipeline, 1);
 	}
 
 	return 0;
@@ -443,12 +443,17 @@  static void buffer_queue(struct vb2_buffer *vb)
 	if (vb2_is_streaming(&vid_cap->vbq) &&
 	    vid_cap->active_buf_cnt >= min_bufs &&
 	    !test_and_set_bit(ST_CAPT_STREAM, &fimc->state)) {
+		int ret;
+
 		fimc_activate_capture(ctx);
 		spin_unlock_irqrestore(&fimc->slock, flags);
 
-		if (!test_and_set_bit(ST_CAPT_ISP_STREAM, &fimc->state))
-			fimc_pipeline_call(fimc, set_stream,
-					   &fimc->pipeline, 1);
+		if (test_and_set_bit(ST_CAPT_ISP_STREAM, &fimc->state))
+			return;
+
+		ret = fimc_pipeline_call(fimc, set_stream, &fimc->pipeline, 1);
+		if (ret < 0)
+			v4l2_err(&vid_cap->vfd, "stream on failed: %d\n", ret);
 		return;
 	}
 	spin_unlock_irqrestore(&fimc->slock, flags);