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| author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2019-12-10 05:05:59 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-02-24 18:18:45 +0300 |
| commit | 7e0cfdadd1aafdb6963291b65358e60a7af3a4cf (patch) | |
| tree | 906cf89382dedf9f638dddbfc0f3fbf130cad732 /drivers/media/platform/rcar-vin/rcar-v4l2.c | |
| parent | e72b7359be18b9c488ed51a653cd51dfa793b67d (diff) | |
| download | linux-7e0cfdadd1aafdb6963291b65358e60a7af3a4cf.tar.xz | |
media: rcar-vin: Add support for V4L2_FIELD_SEQ_{TB,BT}
The hardware does not support capturing the field types
V4L2_FIELD_SEQ_TB and V4L2_FIELD_SEQ_BT. To capture in these formats the
driver needs to adjust the offset of the capture buffer and capture
twice to each vb2 buffer.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/platform/rcar-vin/rcar-v4l2.c')
| -rw-r--r-- | drivers/media/platform/rcar-vin/rcar-v4l2.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c index c60dcf444b02..d1b81881c3fa 100644 --- a/drivers/media/platform/rcar-vin/rcar-v4l2.c +++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c @@ -118,6 +118,9 @@ static u32 rvin_format_bytesperline(struct rvin_dev *vin, break; } + if (V4L2_FIELD_IS_SEQUENTIAL(pix->field)) + align = 0x80; + return ALIGN(pix->width, align) * fmt->bpp; } @@ -148,6 +151,8 @@ static void rvin_format_align(struct rvin_dev *vin, struct v4l2_pix_format *pix) case V4L2_FIELD_INTERLACED_BT: case V4L2_FIELD_INTERLACED: case V4L2_FIELD_ALTERNATE: + case V4L2_FIELD_SEQ_TB: + case V4L2_FIELD_SEQ_BT: break; default: pix->field = RVIN_DEFAULT_FIELD; |