The CSIS doesn't support data lanes reordering. Reject invalid settings.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
drivers/staging/media/imx/imx7-mipi-csis.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
index 07b331667db7..6e235c86e0aa 100644
--- a/drivers/staging/media/imx/imx7-mipi-csis.c
+++ b/drivers/staging/media/imx/imx7-mipi-csis.c
@@ -1115,6 +1115,7 @@ static int mipi_csis_async_register(struct csi_state *state)
};
struct v4l2_async_subdev *asd;
struct fwnode_handle *ep;
+ unsigned int i;
int ret;
v4l2_async_notifier_init(&state->notifier);
@@ -1128,6 +1129,14 @@ static int mipi_csis_async_register(struct csi_state *state)
if (ret)
goto err_parse;
+ for (i = 0; i < vep.bus.mipi_csi2.num_data_lanes; ++i) {
+ if (vep.bus.mipi_csi2.data_lanes[i] != i + 1) {
+ dev_err(state->dev,
+ "data lanes reordering is not supported");
+ goto err_parse;
+ }
+ }
+
state->bus = vep.bus.mipi_csi2;
dev_dbg(state->dev, "data lanes: %d\n", state->bus.num_data_lanes);
--
Regards,
Laurent Pinchart
