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grunt: Turn PP1800_SENSOR off in S5

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Disable sensor power (lid accel, gyro) in G3+S5. Enable
it in S3+S0. We want it on in S3 for calculating the lid
angle (needed on convertibles to disable resume from
keyboard in tablet mode).

BUG=b:72741289
BRANCH=none
TEST=GPIO_EN_PP1800_SENSOR =0 in G3+S5 and =1 in S3+S0

Change-Id: I043b880b9fbd44242df0d2ac01c92a066d6b4377
Signed-off-by: Edward Hill <ecgh@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/912452
Reviewed-by: Lann Martin <lannm@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
This commit is contained in:
Edward Hill
2018-02-09 15:41:19 -07:00
committed by chrome-bot
parent f8da6be34b
commit 61e1151d2c
2 changed files with 19 additions and 1 deletions
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18
board/grunt/board.c
View File

@@ -237,6 +237,24 @@ static void board_chipset_resume(void)
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
static void board_chipset_startup(void)
{
/*
* Enable sensor power (lid accel, gyro) in S3 for calculating the lid
* angle (needed on convertibles to disable resume from keyboard in
* tablet mode).
*/
gpio_set_level(GPIO_EN_PP1800_SENSOR, 1);
}
DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT);
static void board_chipset_shutdown(void)
{
/* Disable sensor power (lid accel, gyro) in S5. */
gpio_set_level(GPIO_EN_PP1800_SENSOR, 0);
}
DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT);
/**
* Power on (or off) a single TCPC.
* minimum on/off delays are included.

2
board/grunt/gpio.inc
View File

@@ -26,7 +26,7 @@ GPIO_INT(USB_C0_CABLE_DET, PIN(3, 7), GPIO_INT_RISING, anx74xx_cable_det_inter
GPIO_INT(6AXIS_INT_L, PIN(8, 6), GPIO_INT_FALLING | GPIO_SEL_1P8V, bmi160_interrupt)
GPIO(EN_PWR_A, PIN(E, 2), GPIO_OUT_HIGH) /* Enable Power */
GPIO(EN_PP1800_SENSOR, PIN(6, 7), GPIO_OUT_HIGH) /* Enable Power */
GPIO(EN_PP1800_SENSOR, PIN(6, 7), GPIO_OUT_LOW) /* Enable Power */
GPIO(ENABLE_BACKLIGHT_L, PIN(D, 3), GPIO_OUT_HIGH) /* Enable Backlight */
GPIO(PCH_RSMRST_L, PIN(C, 2), GPIO_OUT_LOW) /* RSMRST# to SOC */
GPIO(PCH_PWRBTN_L, PIN(C, 1), GPIO_OUT_HIGH) /* Power Button to SOC */