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V4L/DVB (10090): soc-camera: let drivers decide upon supported field values

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sh_mobile_ceu_camera.c is already prepared to support interlaced format, this
patch moves the choice of a field type down to host and / or camera drivers.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Guennadi Liakhovetski 2008-12-18 12:52:08 -03:00 committed by Mauro Carvalho Chehab
parent ccab8a2904
commit 06daa1af4d
2 changed files with 11 additions and 18 deletions
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10
drivers/media/video/pxa_camera.c
View File

@ -1215,6 +1215,7 @@ static int pxa_camera_try_fmt(struct soc_camera_device *icd,
const struct soc_camera_format_xlate *xlate;
struct v4l2_pix_format *pix = &f->fmt.pix;
__u32 pixfmt = pix->pixelformat;
enum v4l2_field field;
int ret;
xlate = soc_camera_xlate_by_fourcc(icd, pixfmt);
@ -1244,6 +1245,15 @@ static int pxa_camera_try_fmt(struct soc_camera_device *icd,
ret = icd->ops->try_fmt(icd, f);
pix->pixelformat = xlate->host_fmt->fourcc;
field = pix->field;
if (field == V4L2_FIELD_ANY) {
pix->field = V4L2_FIELD_NONE;
} else if (field != V4L2_FIELD_NONE) {
dev_err(&icd->dev, "Field type %d unsupported.\n", field);
return -EINVAL;
}
return ret;
}

19
drivers/media/video/soc_camera.c
View File

@ -98,28 +98,11 @@ static int soc_camera_try_fmt_vid_cap(struct file *file, void *priv,
struct soc_camera_file *icf = file->private_data;
struct soc_camera_device *icd = icf->icd;
struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
enum v4l2_field field;
int ret;
WARN_ON(priv != file->private_data);
/*
* TODO: this might also have to migrate to host-drivers, if anyone
* wishes to support other fields
*/
field = f->fmt.pix.field;
if (field == V4L2_FIELD_ANY) {
f->fmt.pix.field = V4L2_FIELD_NONE;
} else if (field != V4L2_FIELD_NONE) {
dev_err(&icd->dev, "Field type invalid.\n");
return -EINVAL;
}
/* limit format to hardware capabilities */
ret = ici->ops->try_fmt(icd, f);
return ret;
return ici->ops->try_fmt(icd, f);
}
static int soc_camera_enum_input(struct file *file, void *priv,