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Poppy: Configure camera PMIC to low power mode. 

This change will configure camera PMIC to low power mode
in S3 and S0ix sleep state and resumes it in S0 state.

BUG=b:62779726
BRANCH=None
TEST=`Build/Flash EC and verify the PP3300_DX_CAM signal is
toggling during S3/S0ix cycle.`

Change-Id: I9f376762100ac9b208df4a39160e4acd3b7b925e
Signed-off-by: Divagar Mohandass <divagar.mohandass@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/539316
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
This commit is contained in:
Divagar Mohandass 2017-06-19 14:15:50 +05:30 committed by chrome-bot
parent 0cf4ec5bae
commit 9fb10386a7
1 changed files with 6 additions and 0 deletions
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6
board/poppy/board.c
View File

@ -915,6 +915,9 @@ const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors);
static void board_chipset_resume(void)
{
gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1);
#ifdef POPPY_REV0
gpio_set_level(GPIO_PP3300_DX_CAM, 1);
#endif
}
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
@ -922,6 +925,9 @@ DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT);
static void board_chipset_suspend(void)
{
gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0);
#ifdef POPPY_REV0
gpio_set_level(GPIO_PP3300_DX_CAM, 0);
#endif
}
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);