FROMGIT: usb: typec: tcpm: Move TCPC to APPLY_RC state during PR_SWAP
When vbus auto discharge is enabled, TCPCI based TCPC transitions into Attached.SNK/Attached.SRC state. During PR_SWAP, TCPCI based TCPC would disconnect when partner changes power roles. TCPC has to be moved APPLY RC state during PR_SWAP. This is done by ROLE_CONTROL.CC1 != ROLE_CONTROL.CC2 and POWER_CONTROL.AutodischargeDisconnect is 0. Once the swap sequence is done, AutoDischargeDisconnect is re-enabled. Bug: 185300749 Fixes: f321a02c ("usb: typec: tcpm: Implement enabling Auto Discharge disconnect support") Reviewed-by:Guenter Roeck <linux@roeck-us.net> Acked-by:
Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by:
Badhri Jagan Sridharan <badhri@google.com> Link: https://lore.kernel.org/r/20210517192112.40934-3-badhri@google.com Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit 59d4d06c https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-next) Signed-off-by:
Badhri Jagan Sridharan <badhri@google.com> Change-Id: I28b2307cb2c8ccaccc611303a95cfe00f9cae35a
Loading