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| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2013-12-18 15:40:28 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-05-13 20:43:54 +0400 |
| commit | 174d6a39b07f51212c23a8e30a0440598d18392c (patch) | |
| tree | a5e68dc44fbf23993cd2266252251561f51e058f /include/media | |
| parent | b2a06aecb24329e16edc3108b8192d65ace8da75 (diff) | |
| download | linux-174d6a39b07f51212c23a8e30a0440598d18392c.tar.xz | |
[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>
Diffstat (limited to 'include/media')
| -rw-r--r-- | include/media/v4l2-subdev.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index ee0ae769ca94..7653194e821a 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -234,15 +234,18 @@ struct v4l2_subdev_audio_ops { /* Indicates the @length field specifies maximum data length. */ #define V4L2_MBUS_FRAME_DESC_FL_LEN_MAX (1U << 0) -/* Indicates user defined data format, i.e. non standard frame format. */ +/* + * Indicates that the format does not have line offsets, i.e. the + * receiver should use 1D DMA. + */ #define V4L2_MBUS_FRAME_DESC_FL_BLOB (1U << 1) /** * struct v4l2_mbus_frame_desc_entry - media bus frame description structure * @flags: V4L2_MBUS_FRAME_DESC_FL_* flags * @pixelcode: media bus pixel code, valid if FRAME_DESC_FL_BLOB is not set - * @length: number of octets per frame, valid for compressed or unspecified - * formats + * @length: number of octets per frame, valid if V4L2_MBUS_FRAME_DESC_FL_BLOB + * is set */ struct v4l2_mbus_frame_desc_entry { u16 flags; |