static int fimc_pipeline_try_format(struct fimc_ctx *ctx,
				    struct v4l2_mbus_framefmt *tfmt,
				    struct fimc_fmt **fmt_id,
				    bool set)
static int fimc_pipeline_try_format(struct fimc_ctx *ctx,
				    struct v4l2_mbus_framefmt *tfmt,
				    const struct fimc_fmt **fmt_id,
				    bool set)