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| author | Frank Li <Frank.Li@nxp.com> | 2026-02-16 22:18:41 +0300 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2026-03-26 16:33:07 +0300 |
| commit | 6f4699ae1e012f807af73617405fcc755d1343ad (patch) | |
| tree | 955d5f959c968045a10f8baa8dfb4d68de56f3c5 | |
| parent | 6fb44d14929036ca4d10ed5d1df47af8a6b642b6 (diff) | |
| download | linux-6f4699ae1e012f807af73617405fcc755d1343ad.tar.xz | |
media: synopsys: csi2rx: implement .get_frame_desc() callback
Implement the .get_frame_desc() callback to fetch information from the
remote endpoint.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Michael Riesch <michael.riesch@collabora.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
| -rw-r--r-- | drivers/media/platform/synopsys/dw-mipi-csi2rx.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/media/platform/synopsys/dw-mipi-csi2rx.c b/drivers/media/platform/synopsys/dw-mipi-csi2rx.c index f03fe0128001..bcbf109a0bfd 100644 --- a/drivers/media/platform/synopsys/dw-mipi-csi2rx.c +++ b/drivers/media/platform/synopsys/dw-mipi-csi2rx.c @@ -429,10 +429,31 @@ static int dw_mipi_csi2rx_disable_streams(struct v4l2_subdev *sd, return ret; } +static int +dw_mipi_csi2rx_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + struct dw_mipi_csi2rx_device *csi2 = to_csi2(sd); + struct v4l2_subdev *remote_sd; + struct media_pad *remote_pad; + + remote_pad = media_pad_remote_pad_unique(&csi2->pads[DW_MIPI_CSI2RX_PAD_SINK]); + if (IS_ERR(remote_pad)) { + dev_err(csi2->dev, "can't get remote source pad\n"); + return PTR_ERR(remote_pad); + } + + remote_sd = media_entity_to_v4l2_subdev(remote_pad->entity); + + return v4l2_subdev_call(remote_sd, pad, get_frame_desc, + remote_pad->index, fd); +} + static const struct v4l2_subdev_pad_ops dw_mipi_csi2rx_pad_ops = { .enum_mbus_code = dw_mipi_csi2rx_enum_mbus_code, .get_fmt = v4l2_subdev_get_fmt, .set_fmt = dw_mipi_csi2rx_set_fmt, + .get_frame_desc = dw_mipi_csi2rx_get_frame_desc, .set_routing = dw_mipi_csi2rx_set_routing, .enable_streams = dw_mipi_csi2rx_enable_streams, .disable_streams = dw_mipi_csi2rx_disable_streams, |