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authorShawn Nematbakhsh <shawnn@chromium.org>2016-10-19 14:57:18 -0700
committerchrome-bot <chrome-bot@chromium.org>2016-10-28 21:06:48 -0700
commitc2d60f53bca9e9c0004722da80730c6028e5f8d0 (patch)
tree00aa61eeb9e899a51d32ff28265acbd4dddec292 /power/rk3399.c
parentea1a8699e96425806abdd532d04da254ae093f6e (diff)
downloadchrome-ec-c2d60f53bca9e9c0004722da80730c6028e5f8d0.tar.gz
power: rk3399: Adjust power-down sequencing delays
BUG=chrome-os-partner:58474 BRANCH=gru TEST=suspend_stress_test on kevin for 50 cycles. Change-Id: Ice721e04c6d4389520f40c4ca72f5bec0e1bdb5b Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/399992 Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/403459 Commit-Ready: Shawn N <shawnn@chromium.org> Tested-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'power/rk3399.c')
-rw-r--r--power/rk3399.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/power/rk3399.c b/power/rk3399.c
index bdf73853c1..ab601638d8 100644
--- a/power/rk3399.c
+++ b/power/rk3399.c
@@ -278,34 +278,32 @@ enum power_state power_handle_state(enum power_state state)
hook_notify(HOOK_CHIPSET_SUSPEND);
CHECK_ABORTED_SUSPEND();
- msleep(10);
+ msleep(20);
CHECK_ABORTED_SUSPEND();
gpio_set_level(GPIO_PP1800_SENSOR_EN_L, 1);
gpio_set_level(GPIO_PP1800_SIXAXIS_EN_L, 1);
gpio_set_level(GPIO_PP3300_S0_EN_L, 1);
- msleep(10);
+ msleep(20);
CHECK_ABORTED_SUSPEND();
gpio_set_level(GPIO_PP1800_S0_EN_L, 1);
- msleep(10);
+ msleep(1);
CHECK_ABORTED_SUSPEND();
gpio_set_level(GPIO_AP_CORE_EN, 0);
- msleep(10);
+ msleep(20);
CHECK_ABORTED_SUSPEND();
gpio_set_level(GPIO_PP1800_AP_AVDD_EN_L, 1);
- msleep(10);
+ msleep(1);
CHECK_ABORTED_SUSPEND();
gpio_set_level(GPIO_PP900_DDRPLL_EN, 0);
- msleep(10);
+ msleep(1);
CHECK_ABORTED_SUSPEND();
gpio_set_level(GPIO_PPVAR_CLOGIC_EN, 0);
- msleep(10);
- CHECK_ABORTED_SUSPEND();
/*
* Enable idle task deep sleep. Allow the low power idle task
@@ -332,17 +330,17 @@ enum power_state power_handle_state(enum power_state state)
gpio_set_level(GPIO_PP3300_TRACKPAD_EN_L, 1);
gpio_set_level(GPIO_PP5000_EN, 0);
gpio_set_level(GPIO_PP3300_USB_EN_L, 1);
- msleep(10);
+ msleep(20);
gpio_set_level(GPIO_PP1800_USB_EN_L, 1);
- msleep(2);
+ msleep(10);
gpio_set_level(GPIO_LPDDR_PWR_EN, 0);
- msleep(2);
+ msleep(20);
gpio_set_level(GPIO_PP1800_PMU_EN_L, 1);
msleep(2);
gpio_set_level(GPIO_PP900_USB_EN, 0);
gpio_set_level(GPIO_PP900_PLL_EN, 0);
gpio_set_level(GPIO_PP900_PMU_EN, 0);
- msleep(2);
+ msleep(6);
gpio_set_level(GPIO_PP900_PCIE_EN, 0);
gpio_set_level(GPIO_PP900_AP_EN, 0);
gpio_set_level(GPIO_PPVAR_LOGIC_EN, 0);