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Subject: media: imx: imx7_mipi_csis: Reject invalid data-lanes settings Author: Laurent Pinchart <[email protected]> Date: Tue Apr 13 04:30:12 2021 +0200 The CSIS doesn't support data lanes reordering. Reject invalid settings. Signed-off-by: Laurent Pinchart <[email protected]> Acked-by: Rui Miguel Silva <[email protected]> Tested-by: Frieder Schrempf <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> 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 a1eaccc922a2..14ff785ba5d5 100644 --- a/drivers/staging/media/imx/imx7-mipi-csis.c +++ b/drivers/staging/media/imx/imx7-mipi-csis.c @@ -1114,6 +1114,7 @@ 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); @@ -1127,6 +1128,14 @@ 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); _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
