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| author | Vandana BN <bnvandana@gmail.com> | 2019-10-22 10:51:40 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2019-11-05 14:58:35 +0300 |
| commit | 545b618cfb5cadacd00c25066b9a36540e5ca9e9 (patch) | |
| tree | 416ec95f39aecc7d66b6907088f1c6be03743c2e /drivers/media | |
| parent | 3cbd3d99fd85096da2175b9ae0111893b91b7ad0 (diff) | |
| download | linux-545b618cfb5cadacd00c25066b9a36540e5ca9e9.tar.xz | |
media: v4l2-core: fix touch support in v4l_g_fmt
v4l_s_fmt, for VFL_TYPE_TOUCH, sets unneeded members of
the v4l2_pix_format structure to default values.This was
missing in v4l_g_fmt, which would lead to failures in
v4l2-compliance tests.
Signed-off-by: Vandana BN <bnvandana@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index d26c83d4c255..315ac12c3e0a 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1478,10 +1478,26 @@ static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops, return ret; } +static void v4l_pix_format_touch(struct v4l2_pix_format *p) +{ + /* + * The v4l2_pix_format structure contains fields that make no sense for + * touch. Set them to default values in this case. + */ + + p->field = V4L2_FIELD_NONE; + p->colorspace = V4L2_COLORSPACE_RAW; + p->flags = 0; + p->ycbcr_enc = 0; + p->quantization = 0; + p->xfer_func = 0; +} + static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { struct v4l2_format *p = arg; + struct video_device *vfd = video_devdata(file); int ret = check_fmt(file, p->type); if (ret) @@ -1519,6 +1535,8 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops, ret = ops->vidioc_g_fmt_vid_cap(file, fh, arg); /* just in case the driver zeroed it again */ p->fmt.pix.priv = V4L2_PIX_FMT_PRIV_MAGIC; + if (vfd->vfl_type == VFL_TYPE_TOUCH) + v4l_pix_format_touch(&p->fmt.pix); return ret; case V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE: return ops->vidioc_g_fmt_vid_cap_mplane(file, fh, arg); @@ -1556,21 +1574,6 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops, return -EINVAL; } -static void v4l_pix_format_touch(struct v4l2_pix_format *p) -{ - /* - * The v4l2_pix_format structure contains fields that make no sense for - * touch. Set them to default values in this case. - */ - - p->field = V4L2_FIELD_NONE; - p->colorspace = V4L2_COLORSPACE_RAW; - p->flags = 0; - p->ycbcr_enc = 0; - p->quantization = 0; - p->xfer_func = 0; -} - static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops, struct file *file, void *fh, void *arg) { |