diff options
| -rw-r--r-- | driver/tcpm/rt1718s.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/driver/tcpm/rt1718s.c b/driver/tcpm/rt1718s.c index 3d4303a8b7..e8ee85368a 100644 --- a/driver/tcpm/rt1718s.c +++ b/driver/tcpm/rt1718s.c @@ -7,6 +7,7 @@ * RT1718S TCPC Driver */ +#include "battery.h" #include "console.h" #include "driver/tcpm/rt1718s.h" #include "driver/tcpm/tcpci.h" @@ -261,6 +262,11 @@ static int rt1718s_init(int port) { static bool need_sw_reset = true; + /* Do not reset the TCPC when device is no battery connected, otherwise + * the SINK GPIO to the PPC may be reset, and cause a brown-out. + */ + need_sw_reset &= battery_is_present() == BP_YES; + if (!system_jumped_late() && need_sw_reset) { RETURN_ERROR(rt1718s_sw_reset(port)); need_sw_reset = false; |