This series improves virtual channel (VC) handling and adds TX1 port
support to the DS90UB960/UB9702 deserializer driver.

PATCH 01:    Enable CSI TX1 port by parsing active RX/TX ports from
             device tree and configuring RX_PORT_CTL BCC mapping
PATCH 02:    Replace hardcoded VC-to-port-number assignment with a
             proper per-port VC map built from source frame descriptors,
             fix loop termination bug in ub960_get_vc_maps() that caused
             ports after the first unconnected RX port to be skipped, and
             add UB9702-specific VC mapping (4 bits/VC, 2 VCs per port)
             instead of incorrectly reusing the UB960 layout

Tested streaming with the following configurations:
1. IMX219 + v3link on AM62A
2. ov2312 + v3link on AM62A
3. ov2312 + fusion2 on AM62A

Overlay and defconfig changes for the same can be found below:
https://github.com/RISHI27-dot/linux/commits/u/ds90ub960_mcs_v2/

---
Changes in v2:
- Squash PATCH 2/4, 3/4 and 4/4 into PATCH 2/2
- Update Jai's depricated email address
- Add Co-developed-by tag

Jai Luthra (1):
  media: i2c: ds90ub960: Support multi-channel sensors

Yemike Abhilash Chandra (1):
  media: i2c: ds90ub960: Enable CSI TX1 port

 drivers/media/i2c/ds90ub960.c | 240 ++++++++++++++++++++++------------
 1 file changed, 154 insertions(+), 86 deletions(-)

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2.34.1