diff options
Diffstat (limited to 'drivers/staging/media/imx/imx-media-utils.c')
| -rw-r--r-- | drivers/staging/media/imx/imx-media-utils.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c index 13dafa7..8920f9b 100644 --- a/drivers/staging/media/imx/imx-media-utils.c +++ b/drivers/staging/media/imx/imx-media-utils.c @@ -465,6 +465,35 @@ int imx_media_init_mbus_fmt(struct v4l2_mbus_framefmt *mbus, EXPORT_SYMBOL_GPL(imx_media_init_mbus_fmt); /* + * Initializes the TRY format to the ACTIVE format on all pads + * of a subdev. Can be used as the .init_cfg pad operation. + */ +int imx_media_init_cfg(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg) +{ + struct v4l2_mbus_framefmt *mf_try; + struct v4l2_subdev_format format; + unsigned int pad; + int ret; + + for (pad = 0; pad < sd->entity.num_pads; pad++) { + memset(&format, 0, sizeof(format)); + + format.pad = pad; + format.which = V4L2_SUBDEV_FORMAT_ACTIVE; + ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &format); + if (ret) + continue; + + mf_try = v4l2_subdev_get_try_format(sd, cfg, pad); + *mf_try = format.format; + } + + return 0; +} +EXPORT_SYMBOL_GPL(imx_media_init_cfg); + +/* * Check whether the field and colorimetry parameters in tryfmt are * uninitialized, and if so fill them with the values from fmt, * or if tryfmt->colorspace has been initialized, all the default |
