From 8ce4332e94464c3dc78f4344a5fffbc4fabd1437 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 5 Sep 2012 15:42:52 -0700 Subject: gaia_power: Report power on reason Report the reason for a power on, to assist with debugging. BUG=chrome-os-partner:11307 BRANCH=snow TEST=manual Build and boot on snow See that power on reason is now reported > 0.003508 power on 2 [0.028674 AP running ...] ... 12.163780 ending loop 2 Shutdown complete. [batt] state discharging -> idle 17.801167 power on 4 Overriding CHARGER_INT with CHARGER_INT on EXTI4 [17.825873 AP running ...] 17.826071 XPSHOLD seen [batt] state idle -> discharg Change-Id: I2044419b330a74d19d8c4e63fa8853aa477b4df1 Signed-off-by: Simon Glass Reviewed-on: https://gerrit.chromium.org/gerrit/32301 Reviewed-by: Vincent Palatin (cherry picked from commit e6d9ea96f3914dd3de08ba3bcea24acd4097e7cd) Reviewed-on: https://gerrit.chromium.org/gerrit/32894 Reviewed-by: David Hendricks Reviewed-by: Katie Roberts-Hoffman Tested-by: Katie Roberts-Hoffman --- common/gaia_power.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/common/gaia_power.c b/common/gaia_power.c index cc8914de7f..1b3cc61a2a 100644 --- a/common/gaia_power.c +++ b/common/gaia_power.c @@ -312,7 +312,7 @@ static int check_for_power_on_event(void) /* power on requested at EC startup for recovery */ if (auto_power_on) { auto_power_on = 0; - return 1; + return 2; } /* to avoid false positives, check lid only if a change was detected */ @@ -320,7 +320,7 @@ static int check_for_power_on_event(void) udelay(LID_SWITCH_DEBOUNCE); if (gpio_get_level(GPIO_LID_OPEN) == 1) { lid_changed = 0; - return 1; + return 3; } } @@ -328,12 +328,12 @@ static int check_for_power_on_event(void) if (gpio_get_level(GPIO_KB_PWR_ON_L) == 0) { udelay(KB_PWR_ON_DEBOUNCE); if (gpio_get_level(GPIO_KB_PWR_ON_L) == 0) - return 1; + return 4; } if (power_request == POWER_REQ_ON) { power_request = POWER_REQ_NONE; - return 4; + return 5; } return 0; @@ -481,8 +481,9 @@ void gaia_power_task(void) while (1) { /* Wait until we need to power on, then power on */ - while (!check_for_power_on_event()) + while (value = check_for_power_on_event(), !value) task_wait_event(-1); + CPRINTF("%T power on %d\n", value); if (!power_on()) { int continue_power = 0; -- cgit v1.2.1