linux-kernel - Re: [PATCH v2 0/3] UCSI Power Supply Updates

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Message-ID: <d5650477-1c9c-4d87-a4c4-7bf7b3c20f5d@panix.com>
Date: Thu, 16 Oct 2025 17:25:03 -0700
From: Kenneth Crudup <kenny@...ix.com>
To: Jameson Thies <jthies@...gle.com>, heikki.krogerus@...ux.intel.com,
 linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
 Kenneth C <kenny@...ix.com>
Cc: dmitry.baryshkov@....qualcomm.com, bleung@...omium.org,
 gregkh@...uxfoundation.org, akuchynski@...omium.org,
 abhishekpandit@...omium.org, sebastian.reichel@...labora.com,
 linux-pm@...r.kernel.org
Subject: Re: [PATCH v2 0/3] UCSI Power Supply Updates


Tested-By: Kenneth R. Crudup <kenny@...ix.com>

On 10/16/25 16:59, Jameson Thies wrote:
> This series includes the following minor changes to power supply
> handling by the UCSI driver.
> 
> 1) Adds the "Status" property to power supplies registered by the UCSI
> driver.
> 2) Updates ucsi.c to report a power supply change all power opmode
> changes. Currently this only gets reported when opmode is PD.
> 3) Updates ucsi.c to report a power supply change when the PPM signals
> a sink path change.
> 
> v2 changes
> - Removed patch adding support for reporting DRP power supply types.
>    It led to spam in dmesg and needs further debug.
> - Removed patch to report 0 max current when a port is not connected.
>    This is a bug fix and should be reviewed separately.
> - Removed patch to refresh connector status after PR swaps. This is
>    not directly related to the power supply and should be sent up
>    separately.
> - Updated patch notify the power supply class of sink path status
>    changes. It now uses a single bit mask for checking both sink path
>    status changes and battery charging status changes.
> 
> Jameson Thies (3):
>    usb: typec: ucsi: psy: Add power supply status
>    usb: typec: ucsi: Report power supply changes on power opmode changes
>    usb: typec: ucsi: Report power supply change on sink path change
> 
>   drivers/usb/typec/ucsi/psy.c  | 26 ++++++++++++++++++++++++++
>   drivers/usb/typec/ucsi/ucsi.c |  5 ++++-
>   drivers/usb/typec/ucsi/ucsi.h |  4 ++++
>   3 files changed, 34 insertions(+), 1 deletion(-)
> 
> 
> base-commit: e40b984b6c4ce3f80814f39f86f87b2a48f2e662

-- 
Kenneth R. Crudup / Sr. SW Engineer, Scott County Consulting, Orange 
County CA