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authorVic Yang <victoryang@chromium.org>2012-08-03 11:30:15 +0800
committerGerrit <chrome-bot@google.com>2012-08-03 08:04:16 -0700
commit0083ce5bea953e7b29519585e6ee13d395e64354 (patch)
tree34b862a859f2a8b1da5a0010a74675457a3055f4
parent4dc7496a983d3bf23586acb96024a5530a954377 (diff)
downloadchrome-ec-0083ce5bea953e7b29519585e6ee13d395e64354.tar.gz
Notify kernel when charge_full changes
This way kernel always know the current value of charge_full. BUG=chrome-os-partner:11248 TEST=Check charge_full is updated when it changes Change-Id: I623d84a4d6e556097b9214672e016b0c2e6cfdb9 Reviewed-on: https://gerrit.chromium.org/gerrit/29133 Reviewed-by: Rong Chang <rongchang@chromium.org> Commit-Ready: Vic Yang <victoryang@chromium.org> Tested-by: Vic Yang <victoryang@chromium.org>
-rw-r--r--common/charge_state.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/common/charge_state.c b/common/charge_state.c
index ba666e965e..177eaeedba 100644
--- a/common/charge_state.c
+++ b/common/charge_state.c
@@ -202,6 +202,15 @@ static int state_common(struct power_state_context *ctx)
if (rv)
curr->error |= F_BATTERY_STATE_OF_CHARGE;
+ if (batt->state_of_charge != prev->batt.state_of_charge) {
+ rv = battery_full_charge_capacity(&d);
+ if (!rv && d != *(int*)host_get_memmap(EC_MEMMAP_BATT_LFCC)) {
+ *(int*)host_get_memmap(EC_MEMMAP_BATT_LFCC) = d;
+ /* Notify host to re-read battery information */
+ host_set_single_event(EC_HOST_EVENT_BATTERY);
+ }
+ }
+
/* Prevent deep discharging */
if (!curr->ac)
if ((batt->state_of_charge < BATTERY_LEVEL_SHUTDOWN &&