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media: docs-rst: Document EBUSY for VIDIOC_S_FMT
VIDIOC_S_FMT may return EBUSY if the device is streaming or there are buffers allocated. Document this. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -147,3 +147,9 @@ appropriately. The generic error codes are described at the
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EINVAL
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The struct :c:type:`v4l2_format` ``type`` field is
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invalid or the requested buffer type not supported.
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EBUSY
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The device is busy and cannot change the format. This could be
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because or the device is streaming or buffers are allocated or
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queued to the driver. Relevant for :ref:`VIDIOC_S_FMT
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<VIDIOC_G_FMT>` only.
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