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| author | Tomasz Figa <t.figa@samsung.com> | 2013-04-24 18:58:06 +0200 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:43:23 +0900 |
| commit | 2134a0e00bc6c20202bb252777e6f52556eb4f38 (patch) | |
| tree | 7708c84696d981785658c5e5247c8f3832e22cf2 /drivers | |
| parent | dc935ee812ce8f153184adc9a2e4c1ace2778c29 (diff) | |
| download | linux-3.10-2134a0e00bc6c20202bb252777e6f52556eb4f38.tar.gz linux-3.10-2134a0e00bc6c20202bb252777e6f52556eb4f38.tar.bz2 linux-3.10-2134a0e00bc6c20202bb252777e6f52556eb4f38.zip | |
regulator: Handle suspend and resume of regulators
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/core.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index a86d1232613..66877efc55f 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3938,6 +3938,32 @@ static const struct file_operations supply_map_fops = { #endif }; +static int regulator_pm_notify(struct notifier_block *nb, + unsigned long event, void *ptr) +{ + int ret; + + switch (event) { + case PM_SUSPEND_PREPARE: + ret = regulator_suspend_prepare(PM_SUSPEND_MEM); + break; + case PM_HIBERNATION_PREPARE: + ret = regulator_suspend_prepare(PM_SUSPEND_MAX); + break; + case PM_POST_SUSPEND: + case PM_POST_HIBERNATION: + ret = regulator_suspend_finish(); + break; + default: + return NOTIFY_DONE; + } + + if (ret) + return NOTIFY_BAD; + + return NOTIFY_OK; +} + static int __init regulator_init(void) { int ret; @@ -3953,6 +3979,8 @@ static int __init regulator_init(void) regulator_dummy_init(); + pm_notifier(regulator_pm_notify, 0); + return ret; } |