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author | Hans Verkuil <hans.verkuil@cisco.com> | 2015-03-04 01:47:54 -0800 |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-03-23 11:41:36 -0700 |
commit | f7234138f14c2296c5eb6b8224abe00b507faf3f (patch) | |
tree | 947508529c06cf0c3ff36a71071725ffdb83e3b1 /drivers/media/v4l2-core/v4l2-subdev.c | |
parent | 3d945be05ac1e806af075e9315bc1b3409adae2b (diff) | |
download | linux-f7234138f14c2296c5eb6b8224abe00b507faf3f.tar.bz2 |
[media] v4l2-subdev: replace v4l2_subdev_fh by v4l2_subdev_pad_config
If a subdevice pad op is called from a bridge driver, then there is
no v4l2_subdev_fh struct that can be passed to the subdevice. This
made it hard to use such subdevs from a bridge driver.
This patch replaces the v4l2_subdev_fh pointer by a v4l2_subdev_pad_config
pointer in the pad ops. This allows bridge drivers to use the various
try_ pad ops by creating a v4l2_subdev_pad_config struct and passing it
along to the pad op.
The v4l2_subdev_get_try_* macros had to be changed because of this, so
I also took the opportunity to use the full name of the v4l2_subdev_get_try_*
functions in the __V4L2_SUBDEV_MK_GET_TRY macro arguments: if you now do
'git grep v4l2_subdev_get_try_format' you will actually find the header
where it is defined.
One remark regarding the drivers/staging/media/davinci_vpfe patches: the
*_init_formats() functions assumed that fh could be NULL. However, that's
not true for this driver, it's always set. This is almost certainly a copy
and paste from the omap3isp driver. I've updated the code to reflect the
fact that fh is never NULL.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Tested-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-subdev.c')
-rw-r--r-- | drivers/media/v4l2-core/v4l2-subdev.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c index 19a034e79be4..3c8b198a0622 100644 --- a/drivers/media/v4l2-core/v4l2-subdev.c +++ b/drivers/media/v4l2-core/v4l2-subdev.c @@ -262,7 +262,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) if (rval) return rval; - return v4l2_subdev_call(sd, pad, get_fmt, subdev_fh, format); + return v4l2_subdev_call(sd, pad, get_fmt, subdev_fh->pad, format); } case VIDIOC_SUBDEV_S_FMT: { @@ -272,7 +272,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) if (rval) return rval; - return v4l2_subdev_call(sd, pad, set_fmt, subdev_fh, format); + return v4l2_subdev_call(sd, pad, set_fmt, subdev_fh->pad, format); } case VIDIOC_SUBDEV_G_CROP: { @@ -289,7 +289,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) sel.target = V4L2_SEL_TGT_CROP; rval = v4l2_subdev_call( - sd, pad, get_selection, subdev_fh, &sel); + sd, pad, get_selection, subdev_fh->pad, &sel); crop->rect = sel.r; @@ -311,7 +311,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) sel.r = crop->rect; rval = v4l2_subdev_call( - sd, pad, set_selection, subdev_fh, &sel); + sd, pad, set_selection, subdev_fh->pad, &sel); crop->rect = sel.r; @@ -324,7 +324,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) if (code->pad >= sd->entity.num_pads) return -EINVAL; - return v4l2_subdev_call(sd, pad, enum_mbus_code, subdev_fh, + return v4l2_subdev_call(sd, pad, enum_mbus_code, subdev_fh->pad, code); } @@ -334,7 +334,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) if (fse->pad >= sd->entity.num_pads) return -EINVAL; - return v4l2_subdev_call(sd, pad, enum_frame_size, subdev_fh, + return v4l2_subdev_call(sd, pad, enum_frame_size, subdev_fh->pad, fse); } @@ -362,7 +362,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) if (fie->pad >= sd->entity.num_pads) return -EINVAL; - return v4l2_subdev_call(sd, pad, enum_frame_interval, subdev_fh, + return v4l2_subdev_call(sd, pad, enum_frame_interval, subdev_fh->pad, fie); } @@ -374,7 +374,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) return rval; return v4l2_subdev_call( - sd, pad, get_selection, subdev_fh, sel); + sd, pad, get_selection, subdev_fh->pad, sel); } case VIDIOC_SUBDEV_S_SELECTION: { @@ -385,7 +385,7 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg) return rval; return v4l2_subdev_call( - sd, pad, set_selection, subdev_fh, sel); + sd, pad, set_selection, subdev_fh->pad, sel); } case VIDIOC_G_EDID: { |