diff options
| -rw-r--r-- | common/charge_state_v2.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/common/charge_state_v2.c b/common/charge_state_v2.c index ba88aabc2d..5b9d32ba89 100644 --- a/common/charge_state_v2.c +++ b/common/charge_state_v2.c @@ -6,6 +6,7 @@ */ #include "battery.h" +#include "battery_smart.h" #include "charge_state.h" #include "charger.h" #include "chipset.h" @@ -50,6 +51,7 @@ enum problem_type { PR_STATIC_UPDATE, PR_SET_VOLTAGE, PR_SET_CURRENT, + PR_SET_MODE, PR_POST_INIT, PR_CHG_FLAGS, PR_BATT_FLAGS, @@ -61,6 +63,7 @@ static const char * const prob_text[] = { "static update", "set voltage", "set current", + "set mode", "post init", "chg params", "batt params", @@ -293,10 +296,9 @@ static void show_charging_progress(void) */ static int charge_request(int voltage, int current) { - int r1 = EC_SUCCESS, r2 = EC_SUCCESS; + int r1 = EC_SUCCESS, r2 = EC_SUCCESS, r3 = EC_SUCCESS; static int prev_volt, prev_curr; - /* TODO(crosbug.com/p/27640): should we call charger_set_mode() too? */ if (!voltage || !current) voltage = current = 0; @@ -314,6 +316,17 @@ static int charge_request(int voltage, int current) problem(PR_SET_CURRENT, r2); /* + * Set the charge inhibit bit when possible as it appears to save + * power in some cases (e.g. Nyan with BQ24735). + */ + if (voltage > 0 || current > 0) + r3 = charger_set_mode(0); + else + r3 = charger_set_mode(CHARGE_FLAG_INHIBIT_CHARGE); + if (r3 != EC_SUCCESS) + problem(PR_SET_MODE, r3); + + /* * Only update if the request worked, so we'll keep trying on failures. */ if (!r1 && !r2) { |