diff options
| -rw-r--r-- | drivers/media/platform/exynos4-is/media-dev.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c index ae74d8f72d29..aae584f9770d 100644 --- a/drivers/media/platform/exynos4-is/media-dev.c +++ b/drivers/media/platform/exynos4-is/media-dev.c @@ -290,11 +290,26 @@ static int __fimc_pipeline_s_stream(struct exynos_media_pipeline *ep, bool on) { IDX_CSIS, IDX_FLITE, IDX_FIMC, IDX_SENSOR, IDX_IS_ISP }, }; struct fimc_pipeline *p = to_fimc_pipeline(ep); - struct fimc_md *fmd = entity_to_fimc_mdev(&p->subdevs[IDX_CSIS]->entity); enum fimc_subdev_index sd_id; int i, ret = 0; if (p->subdevs[IDX_SENSOR] == NULL) { + struct fimc_md *fmd; + struct v4l2_subdev *sd = p->subdevs[IDX_CSIS]; + + if (!sd) + sd = p->subdevs[IDX_FIMC]; + + if (!sd) { + /* + * If neither CSIS nor FIMC was set up, + * it's impossible to have any sensors + */ + return -ENODEV; + } + + fmd = entity_to_fimc_mdev(&sd->entity); + if (!fmd->user_subdev_api) { /* * Sensor must be already discovered if we |