diff options
Diffstat (limited to 'common/mkbp_event.c')
| -rw-r--r-- | common/mkbp_event.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/common/mkbp_event.c b/common/mkbp_event.c index 616f489df6..fcfe4f25a3 100644 --- a/common/mkbp_event.c +++ b/common/mkbp_event.c @@ -9,12 +9,14 @@ #include "chipset.h" #include "gpio.h" #include "host_command.h" +#include "hwtimer.h" #include "link_defs.h" #include "mkbp_event.h" #include "power.h" #include "util.h" static uint32_t events; +uint32_t mkbp_last_event_time; static void set_event(uint8_t event_type) { @@ -36,6 +38,13 @@ static int event_is_set(uint8_t event_type) */ static void set_host_interrupt(int active) { + static int old_active; + + interrupt_disable(); + + if (old_active == 0 && active == 1) + mkbp_last_event_time = __hw_clock_source_read(); + /* interrupt host by using active low EC_INT signal */ #ifdef CONFIG_MKBP_USE_HOST_EVENT if (active) @@ -43,6 +52,9 @@ static void set_host_interrupt(int active) #else gpio_set_level(GPIO_EC_INT_L, !active); #endif + + old_active = active; + interrupt_enable(); } /** |