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Auto-role toggle on the anx74xx does not function correctly with e-marked cables and cannot be used. Also check for TCPC support for auto-toggle at runtime, to allow auto-toggle supported TCPC to be used alongside an unsupported part. (from CL:420405) BUG=chrome-os-partner:60890 BRANCH=reef TEST=Manual on reef, boot to S0: `pd 0 state`: Toggling between SRC_DISCONNECTED / SNK_DISCONNECTED `pd 1 state`: DRP_AUTO_TOGGLE Also verify port 0 can become sink + source correctly in S0. Change-Id: Iafdedf31773feef23923cefe1f4fb02fcffda120 Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/420866 Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com> Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com> Tested-by: Shawn N <shawnn@chromium.org> Reviewed-by: Shawn N <shawnn@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly