diff options
Diffstat (limited to 'common/usbc/usb_pe_drp_sm.c')
| -rw-r--r-- | common/usbc/usb_pe_drp_sm.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/common/usbc/usb_pe_drp_sm.c b/common/usbc/usb_pe_drp_sm.c index 7661e8b2ec..0230e0bbb2 100644 --- a/common/usbc/usb_pe_drp_sm.c +++ b/common/usbc/usb_pe_drp_sm.c @@ -2153,8 +2153,11 @@ static void pe_src_startup_entry(int port) /* Reset VCONN swap counter */ pe[port].vconn_swap_counter = 0; - /* Request partner sink caps */ - pd_dpm_request(port, DPM_REQUEST_GET_SNK_CAPS); + /* Request partner sink caps if a feature requires them */ + if (IS_ENABLED(CONFIG_USB_PD_HOST_CMD) || + CONFIG_USB_PD_3A_PORTS > 0 || + IS_ENABLED(CONFIG_USB_PD_FRS)) + pd_dpm_request(port, DPM_REQUEST_GET_SNK_CAPS); } } @@ -3005,13 +3008,18 @@ static void pe_snk_startup_entry(int port) PE_SET_FLAG(port, PE_FLAGS_VCONN_SWAP_TO_ON); } - /* Request sink caps for FRS and PRS evaluation. + /* + * Request sink caps for FRS, output power consideration, or reporting + * to the AP through host commands. * * On entry to the PE_SNK_Ready state if the Sink supports Fast Role * Swap, then the Policy Engine Shall do the following: * - Send a Get_Sink_Cap Message */ - pd_dpm_request(port, DPM_REQUEST_GET_SNK_CAPS); + if (IS_ENABLED(CONFIG_USB_PD_HOST_CMD) || + CONFIG_USB_PD_3A_PORTS > 0 || + IS_ENABLED(CONFIG_USB_PD_FRS)) + pd_dpm_request(port, DPM_REQUEST_GET_SNK_CAPS); } |