| Message ID | 20211128132447.142671-1-niklas.soderlund+renesas@ragnatech.se (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: rcar-vin: Disallow unbinding and binding of individual VINs | expand |
diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c index b58c8bbe1cf33908..0186ae235113bb8f 100644 --- a/drivers/media/platform/rcar-vin/rcar-core.c +++ b/drivers/media/platform/rcar-vin/rcar-core.c @@ -1618,6 +1618,7 @@ static SIMPLE_DEV_PM_OPS(rvin_pm_ops, rvin_suspend, rvin_resume); static struct platform_driver rcar_vin_driver = { .driver = { .name = "rcar-vin", + .suppress_bind_attrs = true, .pm = &rvin_pm_ops, .of_match_table = rvin_of_id_table, },
The VIN driver have an internal concept of capture groups that covers multiple instances of the driver. This is handled using the shared media graph and a single notifier shared between all VIN instances. This design do not work well if an individual VIN where to be unbound on its own. The design could be improved up on to allow for this but would require large changes in the v4l2-async framework. To avoid the situation suppress the bind and unbind nodes in sysfs. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> --- drivers/media/platform/rcar-vin/rcar-core.c | 1 + 1 file changed, 1 insertion(+)