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On Gen3 the CSI-2 routing is controlled by the VnCSI_IFMD register. One feature of this register is that it's only present in the VIN0 and VIN4 instances. The register in VIN0 controls the routing for VIN0-3 and the register in VIN4 controls routing for VIN4-7. To be able to control routing from a media device this function is need to control runtime PM for the subgroup master (VIN0 and VIN4). The subgroup master must be switched on before the register is manipulated, once the operation is complete it's safe to switch the master off and the new routing will still be in effect. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> |
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|---|---|---|
| .. | ||
| cec | ||
| common | ||
| dvb-core | ||
| dvb-frontends | ||
| firewire | ||
| i2c | ||
| mmc | ||
| pci | ||
| platform | ||
| radio | ||
| rc | ||
| spi | ||
| tuners | ||
| usb | ||
| v4l2-core | ||
| Kconfig | ||
| Makefile | ||
| media-device.c | ||
| media-devnode.c | ||
| media-entity.c | ||