diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/usbc/usb_pe_drp_sm.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/common/usbc/usb_pe_drp_sm.c b/common/usbc/usb_pe_drp_sm.c index e3c3ee4627..e8610f3c75 100644 --- a/common/usbc/usb_pe_drp_sm.c +++ b/common/usbc/usb_pe_drp_sm.c @@ -1213,7 +1213,7 @@ void pe_got_soft_reset(int port) set_state_pe(port, PE_SOFT_RESET); } -static bool pd_can_source_from_device(int port, const int pdo_cnt, +__overridable bool pd_can_source_from_device(int port, const int pdo_cnt, const uint32_t *pdos) { /* @@ -1748,6 +1748,13 @@ static void pe_update_src_pdo_flags(int port, int pdo_cnt, uint32_t *pdos) charge_manager_update_dualrole(port, CAP_DUALROLE); } } + + /* + * If port policy preference is to be a power role source, then request + * a power role swap. + */ + if (!pd_can_source_from_device(port, pdo_cnt, pdos)) + pd_request_power_swap(port); } void pd_request_power_swap(int port) @@ -3078,9 +3085,12 @@ static void pe_snk_evaluate_capability_entry(int port) set_cable_rev(port); - pd_set_src_caps(port, num, pdo); + /* Parse source caps if they have changed */ + if (pe[port].src_cap_cnt != num || + memcmp(pdo, pe[port].src_caps, num << 2)) + pe_update_src_pdo_flags(port, num, pdo); - pe_update_src_pdo_flags(port, num, pdo); + pd_set_src_caps(port, num, pdo); /* Evaluate the options based on supplied capabilities */ pd_process_source_cap(port, pe[port].src_cap_cnt, pe[port].src_caps); |