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[media] v4l: V4L2_MBUS_FRAME_DESC_FL_BLOB is about 1D DMA
V4L2_MBUS_FRAME_DESC_FL_BLOB intends to say the receiver must use 1D DMA to receive the image, as the format does not have line offsets. This typically includes all compressed formats. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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1 changed files with 6 additions and 3 deletions
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@ -234,15 +234,18 @@ struct v4l2_subdev_audio_ops {
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/* Indicates the @length field specifies maximum data length. */
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#define V4L2_MBUS_FRAME_DESC_FL_LEN_MAX (1U << 0)
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/* Indicates user defined data format, i.e. non standard frame format. */
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/*
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* Indicates that the format does not have line offsets, i.e. the
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* receiver should use 1D DMA.
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*/
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#define V4L2_MBUS_FRAME_DESC_FL_BLOB (1U << 1)
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/**
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* struct v4l2_mbus_frame_desc_entry - media bus frame description structure
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* @flags: V4L2_MBUS_FRAME_DESC_FL_* flags
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* @pixelcode: media bus pixel code, valid if FRAME_DESC_FL_BLOB is not set
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* @length: number of octets per frame, valid for compressed or unspecified
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* formats
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* @length: number of octets per frame, valid if V4L2_MBUS_FRAME_DESC_FL_BLOB
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* is set
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*/
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struct v4l2_mbus_frame_desc_entry {
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u16 flags;
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