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tegra: enable EC sleep in S3

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In S3, the EC isn't expecting AP host commands, so it's safe to enable
sleep.

BRANCH=Ryu
BUG=chrome-os-partner:36918
TEST=Check sleep mask in S0 and S3.
Also check sleep mask after sysjump with AP on and with AP off.

Change-Id: I67f0634631f62ee571e18d2870cd4a6926d4e090
Signed-off-by: Vic Yang <victoryang@google.com>
Reviewed-on: https://chromium-review.googlesource.com/251750
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Vic Yang
2015-02-20 14:20:10 -08:00
committed by ChromeOS Commit Bot
parent 5c1bb2174c
commit ed3f712101
1 changed files with 2 additions and 1 deletions
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3
power/tegra.c
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@@ -466,7 +466,6 @@ static void power_off(void)
GPIO_INPUT);
lid_opened = 0;
enable_sleep(SLEEP_MASK_AP_RUN);
powerled_set_state(POWERLED_STATE_OFF);
CPRINTS("power shutdown complete");
}
@@ -549,6 +548,7 @@ enum power_state power_handle_state(enum power_state state)
return state;
case POWER_S3S0:
disable_sleep(SLEEP_MASK_AP_RUN);
powerled_set_state(POWERLED_STATE_ON);
hook_notify(HOOK_CHIPSET_RESUME);
return POWER_S0;
@@ -570,6 +570,7 @@ enum power_state power_handle_state(enum power_state state)
powerled_set_state(POWERLED_STATE_OFF);
/* 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: