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[2/4] s5p-fimc: Do not allow changing format after REQBUFS

Message ID 1302512865-20379-3-git-send-email-s.nawrocki@samsung.com (mailing list archive)
State RFC
Headers show

Commit Message

Sylwester Nawrocki/Kernel \(PLT\) /SRPOL/Staff Engineer/Samsung Electronics April 11, 2011, 9:07 a.m. UTC 
Protecting the color format with vb2_is_streaming() is not sufficient
as this prevents changing the format only after VIDIOC_STREAMON.
To prevent the color format reconfiguration as soon as buffers
are allocated use vb2_is_busy() instead.
Also make the videobuf queue ops structure static.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/media/video/s5p-fimc/fimc-capture.c |    2 +-
 drivers/media/video/s5p-fimc/fimc-core.c    |    4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index 95f8b4e1..00c561c 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -527,7 +527,7 @@  static int fimc_cap_s_fmt_mplane(struct file *file, void *priv,
 	if (ret)
 		return ret;
 
-	if (vb2_is_streaming(&fimc->vid_cap.vbq) || fimc_capture_active(fimc))
+	if (vb2_is_busy(&fimc->vid_cap.vbq) || fimc_capture_active(fimc))
 		return -EBUSY;
 
 	frame = &ctx->d_frame;
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index d54e6d85..115a1e0 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -758,7 +758,7 @@  static void fimc_unlock(struct vb2_queue *vq)
 	mutex_unlock(&ctx->fimc_dev->lock);
 }
 
-struct vb2_ops fimc_qops = {
+static struct vb2_ops fimc_qops = {
 	.queue_setup	 = fimc_queue_setup,
 	.buf_prepare	 = fimc_buf_prepare,
 	.buf_queue	 = fimc_buf_queue,
@@ -965,7 +965,7 @@  static int fimc_m2m_s_fmt_mplane(struct file *file, void *priv,
 
 	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
 
-	if (vb2_is_streaming(vq)) {
+	if (vb2_is_busy(vq)) {
 		v4l2_err(&fimc->m2m.v4l2_dev, "queue (%d) busy\n", f->type);
 		return -EBUSY;
 	}