[PATCH v1 0/3] Restrict alternate modes based on cable capabilities

[Andrei Kuchynski]

Currently, alternate mode drivers (like DisplayPort and Thunderbolt)
automatically assign operational callbacks (`typec_altmode_set_ops`)
during probing, even if the underlying cable capabilities cannot support
them. This can lead to incorrectly advertised state configurations or
initialization failures later on.

The first patch introduces the core helper function, and the subsequent
patches update the DisplayPort and Thunderbolt altmode drivers to
utilize this check during their respective probe phases.

Andrei Kuchynski (3):
  usb: typec: Add helper to check cable altmode support
  usb: typec: thunderbolt: Check cable altmode support
  usb: typec: displayport: Check cable altmode support

 drivers/usb/typec/altmodes/displayport.c |  5 +++-
 drivers/usb/typec/altmodes/thunderbolt.c |  4 +++
 drivers/usb/typec/class.c                | 35 ++++++++++++++++++++++++
 include/linux/usb/typec.h                |  1 +
 4 files changed, 44 insertions(+), 1 deletion(-)

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2.54.0.1099.g489fc7bff1-goog