diff options
Diffstat (limited to 'drivers/media/platform/ti/cal/cal-camerarx.c')
| -rw-r--r-- | drivers/media/platform/ti/cal/cal-camerarx.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/media/platform/ti/cal/cal-camerarx.c b/drivers/media/platform/ti/cal/cal-camerarx.c index 6b43a1525b45..e69fed117fea 100644 --- a/drivers/media/platform/ti/cal/cal-camerarx.c +++ b/drivers/media/platform/ti/cal/cal-camerarx.c @@ -583,6 +583,33 @@ done: return ret; } +int cal_camerarx_get_remote_frame_desc(struct cal_camerarx *phy, + struct v4l2_mbus_frame_desc *desc) +{ + struct media_pad *pad; + int ret; + + if (!phy->source) + return -EPIPE; + + pad = media_entity_remote_pad(&phy->pads[CAL_CAMERARX_PAD_SINK]); + if (!pad) + return -EPIPE; + + ret = v4l2_subdev_call(phy->source, pad, get_frame_desc, pad->index, + desc); + if (ret) + return ret; + + if (desc->type != V4L2_MBUS_FRAME_DESC_TYPE_CSI2) { + dev_err(phy->cal->dev, + "Frame descriptor does not describe CSI-2 link"); + return -EINVAL; + } + + return 0; +} + /* ------------------------------------------------------------------ * V4L2 Subdev Operations * ------------------------------------------------------------------ |