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media: v4l2-subdev: convert frame description to enum
As kernel-doc doesn't support documenting #define values, and using enum makes easier to identify where the values are used, convert V4L2_MBUS_FRAME_DESC_FL_* to enum, and use BIT() macro. While here, fix the description at v4l2_mbus_frame_desc_entry, in order to match what's described for V4L2_MBUS_FRAME_DESC_FL_LEN_MAX. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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1 changed files with 19 additions and 12 deletions
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@ -313,25 +313,32 @@ struct v4l2_subdev_audio_ops {
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int (*s_stream)(struct v4l2_subdev *sd, int enable);
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};
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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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/*
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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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* enum v4l2_mbus_frame_desc_entry - media bus frame description flags
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*
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* @V4L2_MBUS_FRAME_DESC_FL_LEN_MAX:
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* Indicates that &struct v4l2_mbus_frame_desc_entry->length field
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* specifies maximum data length.
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* @V4L2_MBUS_FRAME_DESC_FL_BLOB:
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* Indicates that the format does not have line offsets, i.e.
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* the 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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enum v4l2_mbus_frame_desc_flags {
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V4L2_MBUS_FRAME_DESC_FL_LEN_MAX = BIT(0),
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V4L2_MBUS_FRAME_DESC_FL_BLOB = BIT(1),
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};
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/**
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* struct v4l2_mbus_frame_desc_entry - media bus frame description structure
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*
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* @flags: bitmask flags: %V4L2_MBUS_FRAME_DESC_FL_LEN_MAX and
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* %V4L2_MBUS_FRAME_DESC_FL_BLOB.
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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 if V4L2_MBUS_FRAME_DESC_FL_BLOB
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* is set
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* @flags: bitmask flags, as defined by &enum v4l2_mbus_frame_desc_flags.
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* @pixelcode: media bus pixel code, valid if @flags
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* %FRAME_DESC_FL_BLOB is not set.
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* @length: number of octets per frame, valid if @flags
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* %V4L2_MBUS_FRAME_DESC_FL_LEN_MAX 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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enum v4l2_mbus_frame_desc_flags flags;
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u32 pixelcode;
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u32 length;
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};
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