[Midnightbsd-cvs] [MidnightBSD/src] 161523: Backport iichid input report fixes

[Lucas Holt]

  Branch: refs/heads/feature/iichid-touchpad-backports
  Home:   https://github.com/MidnightBSD/src
  Commit: 1615234ad28cbe00125e9d0d632fff8740610ecc
      https://github.com/MidnightBSD/src/commit/1615234ad28cbe00125e9d0d632fff8740610ecc
  Author: Lucas Holt <luke at foolishgames.com>
  Date:   2026-07-02 (Thu, 02 Jul 2026)

  Changed paths:
    M sys/dev/iicbus/iichid.c

  Log Message:
  -----------
  Backport iichid input report fixes

Use the HID-over-I2C advertised input length for interrupt reads, handle RESET acknowledgements as the two-byte response required by the spec, and move reset waiting until after the interrupt or sampling path is available.

This matches the relevant FreeBSD iichid fixes for newer laptop touchpads that require full-size reads to acknowledge interrupts.

AI-Assisted-by: Codex (GPT-5)
Signed-off-by: Lucas Holt <luke at foolishgames.com>



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