[PATCH v5 08/11] media: imx219: Switch from open to init_cfg

Jean-Michel Hautbois
2022-02-08T15:51:17Z

Use the init_cfg pad level operation instead of the internal subdev
open operation to set default formats on the pads.
While at it, make the imx219_pad_ops more easier to read.

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
---
drivers/media/i2c/imx219.c | 63 +++++++++++++++-----------------------
1 file changed, 25 insertions(+), 38 deletions(-)

diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
index 74dba5e61201..abcaee15c4a0 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -685,34 +685,6 @@ static void imx219_set_default_format(struct imx219 *imx219)
fmt->field = V4L2_FIELD_NONE;
}

-static int imx219_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
-{
- struct imx219 *imx219 = to_imx219(sd);
- struct v4l2_mbus_framefmt *try_fmt =
- v4l2_subdev_get_try_format(sd, fh->state, 0);
- struct v4l2_rect *try_crop;
-
- mutex_lock(&imx219->mutex);
-
- /* Initialize try_fmt */
- try_fmt->width = supported_modes[0].width;
- try_fmt->height = supported_modes[0].height;
- try_fmt->code = imx219_get_format_code(imx219,
- MEDIA_BUS_FMT_SRGGB10_1X10);
- try_fmt->field = V4L2_FIELD_NONE;
-
- /* Initialize try_crop rectangle. */
- try_crop = v4l2_subdev_get_try_crop(sd, fh->state, 0);
- try_crop->top = IMX219_PIXEL_ARRAY_TOP;
- try_crop->left = IMX219_PIXEL_ARRAY_LEFT;
- try_crop->width = IMX219_PIXEL_ARRAY_WIDTH;
- try_crop->height = IMX219_PIXEL_ARRAY_HEIGHT;
-
- mutex_unlock(&imx219->mutex);
-
- return 0;
-}
-
static int imx219_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct imx219 *imx219 =
@@ -802,6 +774,25 @@ static const struct v4l2_ctrl_ops imx219_ctrl_ops = {
.s_ctrl = imx219_set_ctrl,
};

+static void imx219_init_formats(struct v4l2_subdev_state *state)
+{
+ struct v4l2_mbus_framefmt *format;
+
+ format = v4l2_state_get_stream_format(state, 0, 0);
+ format->code = imx219_mbus_formats[0];
+ format->width = supported_modes[0].width;
+ format->height = supported_modes[0].height;
+ format->field = V4L2_FIELD_NONE;
+ format->colorspace = V4L2_COLORSPACE_RAW;
+}
+
+static int imx219_init_cfg(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *state)
+{
+ imx219_init_formats(state);
+ return 0;
+}
+
static int imx219_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
@@ -1255,11 +1246,12 @@ static const struct v4l2_subdev_video_ops imx219_video_ops = {
};

static const struct v4l2_subdev_pad_ops imx219_pad_ops = {
- .enum_mbus_code = imx219_enum_mbus_code,
- .get_fmt = imx219_get_pad_format,
- .set_fmt = imx219_set_pad_format,
- .get_selection = imx219_get_selection,
- .enum_frame_size = imx219_enum_frame_size,
+ .init_cfg = imx219_init_cfg,
+ .enum_mbus_code = imx219_enum_mbus_code,
+ .get_fmt = imx219_get_pad_format,
+ .set_fmt = imx219_set_pad_format,
+ .get_selection = imx219_get_selection,
+ .enum_frame_size = imx219_enum_frame_size,
};

static const struct v4l2_subdev_ops imx219_subdev_ops = {
@@ -1268,10 +1260,6 @@ static const struct v4l2_subdev_ops imx219_subdev_ops = {
.pad = &imx219_pad_ops,
};

-static const struct v4l2_subdev_internal_ops imx219_internal_ops = {
- .open = imx219_open,
-};
-
/* Initialize control handlers */
static int imx219_init_controls(struct imx219 *imx219)
{
@@ -1520,7 +1508,6 @@ static int imx219_probe(struct i2c_client *client)
goto error_power_off;

/* Initialize subdev */
- imx219->sd.internal_ops = &imx219_internal_ops;
imx219->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
imx219->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
--
2.32.0