From 4ee92289c269dfe91e0e3858399c244dc92fa20e Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Mon, 26 Jun 2017 06:26:24 -0300 Subject: 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 Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- Documentation/media/uapi/v4l/vidioc-g-fmt.rst | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'Documentation') diff --git a/Documentation/media/uapi/v4l/vidioc-g-fmt.rst b/Documentation/media/uapi/v4l/vidioc-g-fmt.rst index b853e48312e2..d082f9a21548 100644 --- a/Documentation/media/uapi/v4l/vidioc-g-fmt.rst +++ b/Documentation/media/uapi/v4l/vidioc-g-fmt.rst @@ -147,3 +147,9 @@ appropriately. The generic error codes are described at the EINVAL The struct :c:type:`v4l2_format` ``type`` field is invalid or the requested buffer type not supported. + +EBUSY + The device is busy and cannot change the format. This could be + because or the device is streaming or buffers are allocated or + queued to the driver. Relevant for :ref:`VIDIOC_S_FMT + ` only. -- cgit v1.2.3