diff options
| author | Ben Lok <ben.lok@mediatek.com> | 2015-07-31 19:23:03 +0800 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-08-05 12:10:30 +0000 |
| commit | 70858deabc8b271471999448aa168762f32249d1 (patch) | |
| tree | 99bda9280f8038ed89f9299652bfd3d8bc02b36f | |
| parent | 756d7d3f842acad18ad3769958699232b51f88bf (diff) | |
| download | chrome-ec-70858deabc8b271471999448aa168762f32249d1.tar.gz | |
oak: enable EC sleep in S3
In S3, the EC isn't expecting AP host commands, so it's safe to enable
sleep
BRANCH=none
BUG=none
TEST=Check sleep mask in S0 and S3.
Also check sleep mask after sysjump with AP on and with AP off.
Change-Id: I9dcfe996e8e92e6703d71bbe966cd2447c6b14fe
Signed-off-by: Ben Lok <ben.lok@mediatek.com>
Reviewed-on: https://chromium-review.googlesource.com/290002
Reviewed-by: Rong Chang <rongchang@chromium.org>
| -rw-r--r-- | power/mediatek.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/power/mediatek.c b/power/mediatek.c index f1205a9f2f..9a6acdd30e 100644 --- a/power/mediatek.c +++ b/power/mediatek.c @@ -407,11 +407,14 @@ enum power_state power_chipset_init(void) } else { /* In the SYSJUMP case, we check if the AP is on */ if (is_power_good_asserted()) { - CPRINTS("SOC ON\n"); + CPRINTS("SOC ON"); init_power_state = POWER_S0; - disable_sleep(SLEEP_MASK_AP_RUN); + if (is_suspend_asserted()) + enable_sleep(SLEEP_MASK_AP_RUN); + else + disable_sleep(SLEEP_MASK_AP_RUN); } else { - CPRINTS("SOC OFF\n"); + CPRINTS("SOC OFF"); init_power_state = POWER_G3; enable_sleep(SLEEP_MASK_AP_RUN); } @@ -710,6 +713,7 @@ enum power_state power_handle_state(enum power_state state) return state; case POWER_S3S0: + disable_sleep(SLEEP_MASK_AP_RUN); #ifdef HAS_TASK_POWERLED powerled_set_state(POWERLED_STATE_ON); #endif @@ -735,6 +739,7 @@ enum power_state power_handle_state(enum power_state state) #endif /* Call hooks here since we don't know it prior to AP suspend */ hook_notify(HOOK_CHIPSET_SUSPEND); + enable_sleep(SLEEP_MASK_AP_RUN); return POWER_S3; case POWER_S3S5: |