diff options
Diffstat (limited to 'drivers/media/i2c/m5mols/m5mols_core.c')
| -rw-r--r-- | drivers/media/i2c/m5mols/m5mols_core.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c index 2f490ef26c3..8131d651de9 100644 --- a/drivers/media/i2c/m5mols/m5mols_core.c +++ b/drivers/media/i2c/m5mols/m5mols_core.c @@ -599,6 +599,51 @@ static int m5mols_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, return ret; } +static int m5mols_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + struct m5mols_info *info = to_m5mols(sd); + + if (pad != 0 || fd == NULL) + return -EINVAL; + + mutex_lock(&info->lock); + /* + * .get_frame_desc is only used for compressed formats, + * thus we always return the capture frame parameters here. + */ + fd->entry[0].length = info->cap.buf_size; + fd->entry[0].pixelcode = info->ffmt[M5MOLS_RESTYPE_CAPTURE].code; + mutex_unlock(&info->lock); + + fd->entry[0].flags = V4L2_MBUS_FRAME_DESC_FL_LEN_MAX; + fd->num_entries = 1; + + return 0; +} + +static int m5mols_set_frame_desc(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + struct m5mols_info *info = to_m5mols(sd); + struct v4l2_mbus_framefmt *mf = &info->ffmt[M5MOLS_RESTYPE_CAPTURE]; + + if (pad != 0 || fd == NULL) + return -EINVAL; + + fd->entry[0].flags = V4L2_MBUS_FRAME_DESC_FL_LEN_MAX; + fd->num_entries = 1; + fd->entry[0].length = clamp_t(u32, fd->entry[0].length, + mf->width * mf->height, + M5MOLS_MAIN_JPEG_SIZE_MAX); + mutex_lock(&info->lock); + info->cap.buf_size = fd->entry[0].length; + mutex_unlock(&info->lock); + + return 0; +} + + static int m5mols_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, struct v4l2_subdev_mbus_code_enum *code) @@ -615,6 +660,8 @@ static struct v4l2_subdev_pad_ops m5mols_pad_ops = { .enum_mbus_code = m5mols_enum_mbus_code, .get_fmt = m5mols_get_fmt, .set_fmt = m5mols_set_fmt, + .get_frame_desc = m5mols_get_frame_desc, + .set_frame_desc = m5mols_set_frame_desc, }; /** |