Adds Discover SVIDs and Discover Modes support for SOP' and Alt Mode SVDM support over SOP'. tcpm_port adds separate Alt Mode data for SOP'. svdm_consume_svids and svdm_consume_modes take the received SVDM's SOP* type to store svids/modes separately, and tcpm_register_plug_altmodes registers the active cable's alt modes. In tcpm_pd_svdm, the port will send Discover SVIDs to SOP' after Discover Modes on SOP if the connected cable is an active cable. Discover Modes on SOP' is sent following Discover SVIDs on SOP. Registering partner alt modes is delayed when an active cable is present until Discover Modes completes on SOP', or if the Discover SVIDs/Discover Modes request on SOP' encounters a transmission error. Signed-off-by: RD Babiera <rdbabiera@google.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20240108191620.987785-24-rdbabiera@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.
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