linux-kernel - [PATCH v2 0/2] Fixes for maxim tcpc contaminant detection logic

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Message-Id: <20250815-fix-upstream-contaminant-v2-0-6c8d6c3adafb@google.com>
Date: Fri, 15 Aug 2025 11:31:50 -0700
From: Amit Sunil Dhamne via B4 Relay <devnull+amitsd.google.com@...nel.org>
To: Heikki Krogerus <heikki.krogerus@...ux.intel.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Badhri Jagan Sridharan <badhri@...gle.com>, 
 Guenter Roeck <linux@...ck-us.net>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, 
 stable@...r.kernel.org, RD Babiera <rdbabiera@...gle.com>, 
 Kyle Tso <kyletso@...gle.com>, 
 André Draszik <andre.draszik@...aro.org>, 
 Peter Griffin <peter.griffin@...aro.org>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Amit Sunil Dhamne <amitsd@...gle.com>
Subject: [PATCH v2 0/2] Fixes for maxim tcpc contaminant detection logic

Add fixes to the CC contaminant/connection detection logic to improve
reliability and stability of the maxim tcpc driver. This patchset has
been tested on a PD Tester.

---
Changes in v2:
- Fix improperly formatted patch for stable inclusion. Tagged every
  patch in patchset for stable.
- Link to v1: https://lore.kernel.org/r/20250814-fix-upstream-contaminant-v1-0-801ce8089031@google.com

---
Amit Sunil Dhamne (2):
      usb: typec: maxim_contaminant: disable low power mode when reading comparator values
      usb: typec: maxim_contaminant: re-enable cc toggle if cc is open and port is clean

 drivers/usb/typec/tcpm/maxim_contaminant.c | 58 ++++++++++++++++++++++++++++++
 drivers/usb/typec/tcpm/tcpci_maxim.h       |  1 +
 2 files changed, 59 insertions(+)
---
base-commit: 89be9a83ccf1f88522317ce02f854f30d6115c41
change-id: 20250802-fix-upstream-contaminant-16910e2762ca

Best regards,
-- 
Amit Sunil Dhamne <amitsd@...gle.com>