[v5,7/9] media: i2c: ov5670: Implement init_cfg
Commit Message
Implement the .init_cfg() pad operation and initialize the default
format with the default full resolution mode 2592x1944.
With .init_cfg() pad operation implemented the deprecated .open()
internal operation can now be dropped.
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
---
drivers/media/i2c/ov5670.c | 46 +++++++++++++++++---------------------
1 file changed, 20 insertions(+), 26 deletions(-)
Comments
Hi Jacopo,
On Thu, Jan 26, 2023 at 01:46:30PM +0100, Jacopo Mondi wrote:
> Implement the .init_cfg() pad operation and initialize the default
> format with the default full resolution mode 2592x1944.
>
> With .init_cfg() pad operation implemented the deprecated .open()
> internal operation can now be dropped.
>
> Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
> ---
> drivers/media/i2c/ov5670.c | 46 +++++++++++++++++---------------------
> 1 file changed, 20 insertions(+), 26 deletions(-)
>
> diff --git a/drivers/media/i2c/ov5670.c b/drivers/media/i2c/ov5670.c
> index 12091a5c992e..8f4350898b36 100644
> --- a/drivers/media/i2c/ov5670.c
> +++ b/drivers/media/i2c/ov5670.c
> @@ -1962,27 +1962,6 @@ static int ov5670_write_reg_list(struct ov5670 *ov5670,
> return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
> }
>
> -/* Open sub-device */
> -static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
> -{
> - struct ov5670 *ov5670 = to_ov5670(sd);
> - struct v4l2_mbus_framefmt *try_fmt =
> - v4l2_subdev_get_try_format(sd, fh->state, 0);
> -
> - mutex_lock(&ov5670->mutex);
> -
> - /* Initialize try_fmt */
> - try_fmt->width = ov5670->cur_mode->width;
> - try_fmt->height = ov5670->cur_mode->height;
> - try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
> - try_fmt->field = V4L2_FIELD_NONE;
> -
> - /* No crop or compose */
> - mutex_unlock(&ov5670->mutex);
> -
> - return 0;
> -}
> -
> static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
> {
> int ret;
> @@ -2182,6 +2161,25 @@ static int ov5670_init_controls(struct ov5670 *ov5670)
> return ret;
> }
>
> +static int ov5670_init_cfg(struct v4l2_subdev *sd,
> + struct v4l2_subdev_state *state)
> +{
> + struct v4l2_mbus_framefmt *fmt =
> + v4l2_subdev_get_try_format(sd, state, 0);
Where do you need fmt?
> + const struct ov5670_mode *default_mode = &supported_modes[0];
> +
> + fmt->width = default_mode->width;
> + fmt->height = default_mode->height;
> + fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
> + fmt->field = V4L2_FIELD_NONE;
> + fmt->colorspace = V4L2_COLORSPACE_SRGB;
> + fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB);
> + fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE;
> + fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB);
> +
> + return 0;
> +}
> +
> static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
> struct v4l2_subdev_state *sd_state,
> struct v4l2_subdev_mbus_code_enum *code)
> @@ -2512,6 +2510,7 @@ static const struct v4l2_subdev_video_ops ov5670_video_ops = {
> };
>
> static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
> + .init_cfg = ov5670_init_cfg,
> .enum_mbus_code = ov5670_enum_mbus_code,
> .get_fmt = ov5670_get_pad_format,
> .set_fmt = ov5670_set_pad_format,
> @@ -2533,10 +2532,6 @@ static const struct media_entity_operations ov5670_subdev_entity_ops = {
> .link_validate = v4l2_subdev_link_validate,
> };
>
> -static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
> - .open = ov5670_open,
> -};
Nice!
> -
> static int ov5670_regulators_probe(struct ov5670 *ov5670)
> {
> struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
> @@ -2645,7 +2640,6 @@ static int ov5670_probe(struct i2c_client *client)
> goto error_mutex_destroy;
> }
>
> - ov5670->sd.internal_ops = &ov5670_internal_ops;
> ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
> V4L2_SUBDEV_FL_HAS_EVENTS;
> ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
> --
> 2.39.0
>
@@ -1962,27 +1962,6 @@ static int ov5670_write_reg_list(struct ov5670 *ov5670,
return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
}
-/* Open sub-device */
-static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
-{
- struct ov5670 *ov5670 = to_ov5670(sd);
- struct v4l2_mbus_framefmt *try_fmt =
- v4l2_subdev_get_try_format(sd, fh->state, 0);
-
- mutex_lock(&ov5670->mutex);
-
- /* Initialize try_fmt */
- try_fmt->width = ov5670->cur_mode->width;
- try_fmt->height = ov5670->cur_mode->height;
- try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
- try_fmt->field = V4L2_FIELD_NONE;
-
- /* No crop or compose */
- mutex_unlock(&ov5670->mutex);
-
- return 0;
-}
-
static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
{
int ret;
@@ -2182,6 +2161,25 @@ static int ov5670_init_controls(struct ov5670 *ov5670)
return ret;
}
+static int ov5670_init_cfg(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state)
+{
+ struct v4l2_mbus_framefmt *fmt =
+ v4l2_subdev_get_try_format(sd, state, 0);
+ const struct ov5670_mode *default_mode = &supported_modes[0];
+
+ fmt->width = default_mode->width;
+ fmt->height = default_mode->height;
+ fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
+ fmt->field = V4L2_FIELD_NONE;
+ fmt->colorspace = V4L2_COLORSPACE_SRGB;
+ fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB);
+ fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE;
+ fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB);
+
+ return 0;
+}
+
static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
@@ -2512,6 +2510,7 @@ static const struct v4l2_subdev_video_ops ov5670_video_ops = {
};
static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
+ .init_cfg = ov5670_init_cfg,
.enum_mbus_code = ov5670_enum_mbus_code,
.get_fmt = ov5670_get_pad_format,
.set_fmt = ov5670_set_pad_format,
@@ -2533,10 +2532,6 @@ static const struct media_entity_operations ov5670_subdev_entity_ops = {
.link_validate = v4l2_subdev_link_validate,
};
-static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
- .open = ov5670_open,
-};
-
static int ov5670_regulators_probe(struct ov5670 *ov5670)
{
struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
@@ -2645,7 +2640,6 @@ static int ov5670_probe(struct i2c_client *client)
goto error_mutex_destroy;
}
- ov5670->sd.internal_ops = &ov5670_internal_ops;
ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;