diff options
| author | Prashant Gaikwad <pgaikwad@nvidia.com> | 2011-04-21 09:43:48 +0530 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-04-25 18:46:45 -0700 |
| commit | b6426b90fd99bf82114465a12ff7e4da2a4c982e (patch) | |
| tree | 6378df0ead6cab8f57d2b8493f32068e86d65419 /arch/arm/mach-tegra/suspend.c | |
| parent | 57e983200f1879da88519b0bec3fb3cbaaa99caa (diff) | |
ARM: tegra: whistler: Power down/up core railtegra-11.2.5
program pwren signal of max8907c regulator to power down/up core rail on
deep sleep enter/exit deep sleep mode.
core_timer and core_off_timer changed as per K32.
separate_req set to false as whistler pmu has combined power requests.
Bug 817378
Change-Id: Ia95a61360079f919a039572cf8fd4597db9efd50
Reviewed-on: http://git-master/r/28435
Tested-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/suspend.c')
| -rw-r--r-- | arch/arm/mach-tegra/suspend.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/suspend.c b/arch/arm/mach-tegra/suspend.c index 7e581b198216..77c3c1c0fec0 100644 --- a/arch/arm/mach-tegra/suspend.c +++ b/arch/arm/mach-tegra/suspend.c @@ -701,8 +701,29 @@ static int tegra_suspend_enter(suspend_state_t state) return 0; } +/* + * Function pointers to optional board specific function + */ +void (*tegra_deep_sleep)(int); +EXPORT_SYMBOL(tegra_deep_sleep); + +static int tegra_suspend_prepare(void) +{ + if ((current_suspend_mode == TEGRA_SUSPEND_LP0) && tegra_deep_sleep) + tegra_deep_sleep(1); + return 0; +} + +static void tegra_suspend_finish(void) +{ + if ((current_suspend_mode == TEGRA_SUSPEND_LP0) && tegra_deep_sleep) + tegra_deep_sleep(0); +} + static struct platform_suspend_ops tegra_suspend_ops = { .valid = suspend_valid_only_mem, + .prepare = tegra_suspend_prepare, + .finish = tegra_suspend_finish, .begin = tegra_suspend_begin, .prepare_late = tegra_suspend_prepare_late, .wake = tegra_suspend_wake, |