diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/typec/tcpm.c | 5 | ||||
| -rw-r--r-- | drivers/staging/typec/tcpm.h | 7 |
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm.c index 2ce02aba039a..8af62e74d54c 100644 --- a/drivers/staging/typec/tcpm.c +++ b/drivers/staging/typec/tcpm.c @@ -685,7 +685,10 @@ static u32 tcpm_get_current_limit(struct tcpm_port *port) break; case TYPEC_CC_RP_DEF: default: - limit = 0; + if (port->tcpc->get_current_limit) + limit = port->tcpc->get_current_limit(port->tcpc); + else + limit = 0; break; } diff --git a/drivers/staging/typec/tcpm.h b/drivers/staging/typec/tcpm.h index 374cea44a84a..7e9a6b7b5cd6 100644 --- a/drivers/staging/typec/tcpm.h +++ b/drivers/staging/typec/tcpm.h @@ -109,6 +109,13 @@ struct tcpc_dev { int (*init)(struct tcpc_dev *dev); int (*get_vbus)(struct tcpc_dev *dev); + /* + * This optional callback gets called by the tcpm core when configured + * as a snk and cc=Rp-def. This allows the tcpm to provide a fallback + * current-limit detection method for the cc=Rp-def case. E.g. some + * tcpcs may include BC1.2 charger detection and use that in this case. + */ + int (*get_current_limit)(struct tcpc_dev *dev); int (*set_cc)(struct tcpc_dev *dev, enum typec_cc_status cc); int (*get_cc)(struct tcpc_dev *dev, enum typec_cc_status *cc1, enum typec_cc_status *cc2); |