diff options
| -rw-r--r-- | chip/g/rdd.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/chip/g/rdd.c b/chip/g/rdd.c index d02ec362f7..bd0d2360d8 100644 --- a/chip/g/rdd.c +++ b/chip/g/rdd.c @@ -31,30 +31,38 @@ int debug_cable_is_attached(void) return (cc1 == cc2 && (cc1 == 3 || cc1 == 1)); } -void rdd_interrupt(void) +static void rdd_disconnected(void) { - int is_debug; + CPRINTS("Debug Accessory disconnected"); + + rdd_detached(); +} +DECLARE_DEFERRED(rdd_disconnected); +void rdd_interrupt(void) +{ delay_sleep_by(1 * SECOND); - is_debug = debug_cable_is_attached(); + if (debug_cable_is_attached()) { + /* cancel pending rdd disconnect */ + hook_call_deferred(&rdd_disconnected_data, -1); - if (is_debug) { CPRINTS("Debug Accessory connected"); /* Detect when debug cable is disconnected */ GWRITE(RDD, PROG_DEBUG_STATE_MAP, DETECT_DISCONNECT); rdd_attached(); - } else if (!is_debug) { - CPRINTS("Debug Accessory disconnected"); - + } else { /* Detect when debug cable is connected */ GWRITE(RDD, PROG_DEBUG_STATE_MAP, DETECT_DEBUG); - rdd_detached(); - - cflush(); + /* + * Debounce the RDD disconnect for 2 seconds so rdd events + * won't be triggered by any PD negotiation the EC does during + * reset or sysjump. + */ + hook_call_deferred(&rdd_disconnected_data, 2 * SECOND); } /* Clear interrupt */ |