diff options
Diffstat (limited to 'drivers/media/i2c/ov2640.c')
| -rw-r--r-- | drivers/media/i2c/ov2640.c | 45 |
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; |