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path: root/drivers/media/i2c/ov2640.c
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Diffstat (limited to 'drivers/media/i2c/ov2640.c')
-rw-r--r--drivers/media/i2c/ov2640.c45
1 files changed, 39 insertions, 6 deletions
diff --git a/drivers/media/i2c/ov2640.c b/drivers/media/i2c/ov2640.c
index 5d2d6735cc78..83031cfc7914 100644
--- a/drivers/media/i2c/ov2640.c
+++ b/drivers/media/i2c/ov2640.c
@@ -842,9 +842,6 @@ static int ov2640_set_params(struct i2c_client *client,
u8 val;
int ret;
- if (!win)
- return -EINVAL;
-
switch (code) {
case MEDIA_BUS_FMT_RGB565_2X8_BE:
dev_dbg(&client->dev, "%s: Selected cfmt RGB565 BE", __func__);
@@ -929,9 +926,14 @@ static int ov2640_get_fmt(struct v4l2_subdev *sd,
if (format->pad)
return -EINVAL;
- if (!priv->win) {
- priv->win = ov2640_select_win(SVGA_WIDTH, SVGA_HEIGHT);
- priv->cfmt_code = MEDIA_BUS_FMT_UYVY8_2X8;
+ if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
+#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
+ mf = v4l2_subdev_get_try_format(sd, cfg, 0);
+ format->format = *mf;
+ return 0;
+#else
+ return -ENOTTY;
+#endif
}
mf->width = priv->win->width;
@@ -939,6 +941,9 @@ static int ov2640_get_fmt(struct v4l2_subdev *sd,
mf->code = priv->cfmt_code;
mf->colorspace = V4L2_COLORSPACE_SRGB;
mf->field = V4L2_FIELD_NONE;
+ mf->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ mf->quantization = V4L2_QUANTIZATION_DEFAULT;
+ mf->xfer_func = V4L2_XFER_FUNC_DEFAULT;
return 0;
}
@@ -965,6 +970,9 @@ static int ov2640_set_fmt(struct v4l2_subdev *sd,
mf->field = V4L2_FIELD_NONE;
mf->colorspace = V4L2_COLORSPACE_SRGB;
+ mf->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ mf->quantization = V4L2_QUANTIZATION_DEFAULT;
+ mf->xfer_func = V4L2_XFER_FUNC_DEFAULT;
switch (mf->code) {
case MEDIA_BUS_FMT_RGB565_2X8_BE:
@@ -999,6 +1007,27 @@ out:
return ret;
}
+static int ov2640_init_cfg(struct v4l2_subdev *sd,
+ struct v4l2_subdev_pad_config *cfg)
+{
+#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
+ struct v4l2_mbus_framefmt *try_fmt =
+ v4l2_subdev_get_try_format(sd, cfg, 0);
+ const struct ov2640_win_size *win =
+ ov2640_select_win(SVGA_WIDTH, SVGA_HEIGHT);
+
+ try_fmt->width = win->width;
+ try_fmt->height = win->height;
+ try_fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
+ try_fmt->colorspace = V4L2_COLORSPACE_SRGB;
+ try_fmt->field = V4L2_FIELD_NONE;
+ try_fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
+ try_fmt->quantization = V4L2_QUANTIZATION_DEFAULT;
+ try_fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT;
+#endif
+ return 0;
+}
+
static int ov2640_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_mbus_code_enum *code)
@@ -1108,6 +1137,7 @@ static const struct v4l2_subdev_core_ops ov2640_subdev_core_ops = {
};
static const struct v4l2_subdev_pad_ops ov2640_subdev_pad_ops = {
+ .init_cfg = ov2640_init_cfg,
.enum_mbus_code = ov2640_enum_mbus_code,
.get_selection = ov2640_get_selection,
.get_fmt = ov2640_get_fmt,
@@ -1193,6 +1223,9 @@ static int ov2640_probe(struct i2c_client *client,
if (ret)
goto err_clk;
+ priv->win = ov2640_select_win(SVGA_WIDTH, SVGA_HEIGHT);
+ priv->cfmt_code = MEDIA_BUS_FMT_UYVY8_2X8;
+
v4l2_i2c_subdev_init(&priv->subdev, client, &ov2640_subdev_ops);
priv->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;