From: Andrzej Hajda Date: Wed, 27 Feb 2013 11:13:59 +0000 (-0300) Subject: [media] s5p-fimc: Add error checks for pipeline stream on callbacks X-Git-Tag: firefly_0821_release~3680^2~618^2~128 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=76323e5016e2f923e87efbee715a7ccf16b942b0;p=firefly-linux-kernel-4.4.55.git [media] s5p-fimc: Add error checks for pipeline stream on callbacks set_stream error for pipelines is logged or reported to user space if possible. Signed-off-by: Andrzej Hajda Signed-off-by: Sylwester Nawrocki Signed-off-by: Kyungmin Park Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/s5p-fimc/fimc-capture.c b/drivers/media/platform/s5p-fimc/fimc-capture.c index 724cd8b4933d..ff9ca6384636 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);