On Wed, Nov 18, 2020 at 06:00:58PM +0300, Heikki Krogerus wrote: > USB Power Delivery Specification defines a set of product > types for partners and cables. The product type is defined > in the ID Header VDO, which is the first object in the > response to the Discover Identity command. > > This sysfs attribute file is only created for the partners > and cables if the product type is really known in the > driver. Some interfaces do not give access to the Discover > Identity response from the partner or cable, but they may > still supply the product type separately in some cases. > > When the product type of the partner or cable is detected, > uevent is also raised with PRODUCT_TYPE set to show the > actual product type (for example PRODUCT_TYPE=host). > > Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > --- > Documentation/ABI/testing/sysfs-class-typec | 55 ++++++++ > drivers/usb/typec/class.c | 132 ++++++++++++++++++-- > 2 files changed, 180 insertions(+), 7 deletions(-) Seems semi-sane, nice work :) greg k-h
