39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
From 3e5851305b45a4dac66bd49529e511d1334a08fc Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dsteve@broadcom.com>
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Date: Mon, 9 Dec 2013 11:05:24 +0000
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Subject: [PATCH 133/196] V4L2: Fix issue of driver jamming if STREAMON failed.
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Fix issue where the driver was left in a partially enabled
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state if STREAMON failed, and would then reject many IOCTLs
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as it thought it was streaming.
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Signed-off-by: Dave Stevenson <dsteve@broadcom.com>
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---
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drivers/media/platform/bcm2835/bcm2835-camera.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/drivers/media/platform/bcm2835/bcm2835-camera.c b/drivers/media/platform/bcm2835/bcm2835-camera.c
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index 47fe45d..2743074 100644
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--- a/drivers/media/platform/bcm2835/bcm2835-camera.c
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+++ b/drivers/media/platform/bcm2835/bcm2835-camera.c
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@@ -425,7 +425,15 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count)
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vchiq_mmal_port_enable(dev->instance, dev->capture.port, buffer_cb);
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if (ret) {
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v4l2_err(&dev->v4l2_dev,
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- "Failed to enable capture port - error %d\n", ret);
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+ "Failed to enable capture port - error %d. "
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+ "Disabling camera port again\n", ret);
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+
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+ vchiq_mmal_port_disable(dev->instance,
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+ dev->capture.camera_port);
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+ if (disable_camera(dev) < 0) {
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+ v4l2_err(&dev->v4l2_dev, "Failed to disable camera");
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+ return -EINVAL;
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+ }
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return -1;
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}
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--
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1.9.1
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