diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2015-03-04 09:47:54 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-03-23 18:41:36 (GMT) |
commit | f7234138f14c2296c5eb6b8224abe00b507faf3f (patch) | |
tree | 947508529c06cf0c3ff36a71071725ffdb83e3b1 /drivers/media/i2c/mt9m032.c | |
parent | 3d945be05ac1e806af075e9315bc1b3409adae2b (diff) | |
download | linux-f7234138f14c2296c5eb6b8224abe00b507faf3f.tar.xz |
[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/i2c/mt9m032.c')
-rw-r--r-- | drivers/media/i2c/mt9m032.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/drivers/media/i2c/mt9m032.c b/drivers/media/i2c/mt9m032.c index 7643122..c7747bd 100644 --- a/drivers/media/i2c/mt9m032.c +++ b/drivers/media/i2c/mt9m032.c @@ -317,7 +317,7 @@ static int mt9m032_setup_pll(struct mt9m032 *sensor) */ static int mt9m032_enum_mbus_code(struct v4l2_subdev *subdev, - struct v4l2_subdev_fh *fh, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code) { if (code->index != 0) @@ -328,7 +328,7 @@ static int mt9m032_enum_mbus_code(struct v4l2_subdev *subdev, } static int mt9m032_enum_frame_size(struct v4l2_subdev *subdev, - struct v4l2_subdev_fh *fh, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_size_enum *fse) { if (fse->index != 0 || fse->code != MEDIA_BUS_FMT_Y8_1X8) @@ -345,18 +345,18 @@ static int mt9m032_enum_frame_size(struct v4l2_subdev *subdev, /** * __mt9m032_get_pad_crop() - get crop rect * @sensor: pointer to the sensor struct - * @fh: file handle for getting the try crop rect from + * @cfg: v4l2_subdev_pad_config for getting the try crop rect from * @which: select try or active crop rect * * Returns a pointer the current active or fh relative try crop rect */ static struct v4l2_rect * -__mt9m032_get_pad_crop(struct mt9m032 *sensor, struct v4l2_subdev_fh *fh, +__mt9m032_get_pad_crop(struct mt9m032 *sensor, struct v4l2_subdev_pad_config *cfg, enum v4l2_subdev_format_whence which) { switch (which) { case V4L2_SUBDEV_FORMAT_TRY: - return v4l2_subdev_get_try_crop(fh, 0); + return v4l2_subdev_get_try_crop(&sensor->subdev, cfg, 0); case V4L2_SUBDEV_FORMAT_ACTIVE: return &sensor->crop; default: @@ -367,18 +367,18 @@ __mt9m032_get_pad_crop(struct mt9m032 *sensor, struct v4l2_subdev_fh *fh, /** * __mt9m032_get_pad_format() - get format * @sensor: pointer to the sensor struct - * @fh: file handle for getting the try format from + * @cfg: v4l2_subdev_pad_config for getting the try format from * @which: select try or active format * * Returns a pointer the current active or fh relative try format */ static struct v4l2_mbus_framefmt * -__mt9m032_get_pad_format(struct mt9m032 *sensor, struct v4l2_subdev_fh *fh, +__mt9m032_get_pad_format(struct mt9m032 *sensor, struct v4l2_subdev_pad_config *cfg, enum v4l2_subdev_format_whence which) { switch (which) { case V4L2_SUBDEV_FORMAT_TRY: - return v4l2_subdev_get_try_format(fh, 0); + return v4l2_subdev_get_try_format(&sensor->subdev, cfg, 0); case V4L2_SUBDEV_FORMAT_ACTIVE: return &sensor->format; default: @@ -387,20 +387,20 @@ __mt9m032_get_pad_format(struct mt9m032 *sensor, struct v4l2_subdev_fh *fh, } static int mt9m032_get_pad_format(struct v4l2_subdev *subdev, - struct v4l2_subdev_fh *fh, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct mt9m032 *sensor = to_mt9m032(subdev); mutex_lock(&sensor->lock); - fmt->format = *__mt9m032_get_pad_format(sensor, fh, fmt->which); + fmt->format = *__mt9m032_get_pad_format(sensor, cfg, fmt->which); mutex_unlock(&sensor->lock); return 0; } static int mt9m032_set_pad_format(struct v4l2_subdev *subdev, - struct v4l2_subdev_fh *fh, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct mt9m032 *sensor = to_mt9m032(subdev); @@ -414,7 +414,7 @@ static int mt9m032_set_pad_format(struct v4l2_subdev *subdev, } /* Scaling is not supported, the format is thus fixed. */ - fmt->format = *__mt9m032_get_pad_format(sensor, fh, fmt->which); + fmt->format = *__mt9m032_get_pad_format(sensor, cfg, fmt->which); ret = 0; done: @@ -423,7 +423,7 @@ done: } static int mt9m032_get_pad_selection(struct v4l2_subdev *subdev, - struct v4l2_subdev_fh *fh, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_selection *sel) { struct mt9m032 *sensor = to_mt9m032(subdev); @@ -432,14 +432,14 @@ static int mt9m032_get_pad_selection(struct v4l2_subdev *subdev, return -EINVAL; mutex_lock(&sensor->lock); - sel->r = *__mt9m032_get_pad_crop(sensor, fh, sel->which); + sel->r = *__mt9m032_get_pad_crop(sensor, cfg, sel->which); mutex_unlock(&sensor->lock); return 0; } static int mt9m032_set_pad_selection(struct v4l2_subdev *subdev, - struct v4l2_subdev_fh *fh, + struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_selection *sel) { struct mt9m032 *sensor = to_mt9m032(subdev); @@ -475,13 +475,13 @@ static int mt9m032_set_pad_selection(struct v4l2_subdev *subdev, rect.height = min_t(unsigned int, rect.height, MT9M032_PIXEL_ARRAY_HEIGHT - rect.top); - __crop = __mt9m032_get_pad_crop(sensor, fh, sel->which); + __crop = __mt9m032_get_pad_crop(sensor, cfg, sel->which); if (rect.width != __crop->width || rect.height != __crop->height) { /* Reset the output image size if the crop rectangle size has * been modified. */ - format = __mt9m032_get_pad_format(sensor, fh, sel->which); + format = __mt9m032_get_pad_format(sensor, cfg, sel->which); format->width = rect.width; format->height = rect.height; } |