[PATCH net-next v3 0/3] dpll: support mode switching

[Ivan Vecera <ivecera@redhat.com>]

This series adds support for switching the working mode (automatic vs
manual) of a DPLL device via netlink.

Currently, the DPLL subsystem allows userspace to retrieve the current
working mode but lacks the mechanism to configure it. Userspace is also
unaware of which modes a specific device actually supports, as it
currently assumes only the active mode is supported.

The series addresses these limitations by:
1. Introducing .supported_modes_get() callback to allow drivers to report
   all modes capable of running on the device.
2. Introducing .mode_set() callback and updating the netlink policy
   to allow userspace to request a mode change.
3. Implementing these callbacks in the zl3073x driver, enabling dynamic
   switching between automatic and manual modes.

Changelog:
v3 - fixed reverse xmas tree order in dpll_mode_set()
v2 - addressed issues reported by Vadim

Ivan Vecera (3):
  dpll: add dpll_device op to get supported modes
  dpll: add dpll_device op to set working mode
  dpll: zl3073x: Implement device mode setting support

 Documentation/netlink/specs/dpll.yaml |   1 +
 drivers/dpll/dpll_netlink.c           |  71 ++++++++++++++--
 drivers/dpll/dpll_nl.c                |   1 +
 drivers/dpll/zl3073x/dpll.c           | 112 ++++++++++++++++++++++++++
 include/linux/dpll.h                  |   5 ++
 5 files changed, 182 insertions(+), 8 deletions(-)

-- 
2.52.0