On Wed, Nov 26, 2025 at 10:23 AM Heikki Krogerus
<heikki.krogerus@linux.intel.com> wrote:
>
> Hi Andrei, guys,
>
> Mon, Nov 24, 2025 at 12:46:35PM +0000, Andrei Kuchynski kirjoitti:
> > This patch series introduces a mechanism for setting USB Type-C alternate
> > mode priorities. It allows the user to specify their preferred order for
> > mode selection, such as USB4, Thunderbolt, or DisplayPort.
> >
> > A new sysfs attribute named 'priority' is exposed to provide user-space
> > control over the mode selection process.
> >
> > This series was tested on a Android OS device running kernel 6.18.0-rc6.
> >
> > Changes in v5:
> > - Patches 3 and 4 (v4) have been consolidated into a singular patch,
> > keeping the mode priority implementation within drivers/usb/typec/class.c.
> >
> > Andrei Kuchynski (4):
> > usb: typec: Add mode_control field to port property
> > platform/chrome: cros_ec_typec: Set no_mode_control flag
> > usb: typec: ucsi: Set no_mode_control flag
> > usb: typec: Expose alternate mode priority via sysfs
> >
> > Documentation/ABI/testing/sysfs-class-typec | 11 +++
> > drivers/platform/chrome/cros_ec_typec.c | 1 +
> > drivers/usb/typec/class.c | 99 ++++++++++++++++++++-
> > drivers/usb/typec/class.h | 1 +
> > drivers/usb/typec/ucsi/ucsi.c | 1 +
> > include/linux/usb/typec.h | 2 +
> > include/linux/usb/typec_altmode.h | 1 +
> > 7 files changed, 112 insertions(+), 4 deletions(-)
>
> These are okay by me. I think we can move to the next step. But I'm
> not sure we apply these before that, because the file has no effect
> at the moment.
>
> Br,
>
> --
> heikki
Hi Heikki, Abel, Benson,
Thank you for your review of the series.
I will send the subsequent series detailing how we are going to use
priorities in cros_ec_typec and cros_ec_ucsi drivers.
Thanks,
Andrei