@@ -79,7 +79,7 @@ static inline struct vpif_cap_buffer *to_vpif_buffer(struct vb2_buffer *vb)
}
/**
- * buffer_prepare : callback function for buffer prepare
+ * vpif_buffer_prepare : callback function for buffer prepare
* @vb: ptr to vb2_buffer
*
* This is the callback function for buffer prepare when vb2_qbuf()
@@ -97,26 +97,22 @@ static int vpif_buffer_prepare(struct vb2_buffer *vb)
common = &ch->common[VPIF_VIDEO_INDEX];
- if (vb->state != VB2_BUF_STATE_ACTIVE &&
- vb->state != VB2_BUF_STATE_PREPARED) {
- vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage);
- if (vb2_plane_vaddr(vb, 0) &&
- vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0))
- goto exit;
- addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+ vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage);
+ if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0))
+ return -EINVAL;
- if (q->streaming) {
- if (!IS_ALIGNED((addr + common->ytop_off), 8) ||
- !IS_ALIGNED((addr + common->ybtm_off), 8) ||
- !IS_ALIGNED((addr + common->ctop_off), 8) ||
- !IS_ALIGNED((addr + common->cbtm_off), 8))
- goto exit;
- }
+ vb->v4l2_buf.field = common->fmt.fmt.pix.field;
+
+ addr = vb2_dma_contig_plane_dma_addr(vb, 0);
+ if (!IS_ALIGNED((addr + common->ytop_off), 8) ||
+ !IS_ALIGNED((addr + common->ybtm_off), 8) ||
+ !IS_ALIGNED((addr + common->ctop_off), 8) ||
+ !IS_ALIGNED((addr + common->cbtm_off), 8)) {
+ vpif_dbg(1, debug, "offset is not aligned\n");
+ return -EINVAL;
}
+
return 0;
-exit:
- vpif_dbg(1, debug, "buffer_prepare:offset is not aligned to 8 bytes\n");
- return -EINVAL;
}
/**