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mfd: Wake-up from Suspend MAX8997 support

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- Support wake-up from suspend-to-ram.
- Handle pending interrupt after a resume.
- If pdata->wakeup is enabled, by default, the device is assumed to be
capable of wakeup (the interrupt pin is connected to a wakeup-source GPIO)
and may wakeup the system (MAX8997 has a power button input pin).

Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
MyungJoo Ham
2011-08-19 14:39:40 +09:00
committed by Samuel Ortiz
parent 5f40c6b650
commit 01fdaab8ff
2 changed files with 26 additions and 2 deletions
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include/linux/mfd/max8997-private.h
-1
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@@ -326,7 +326,6 @@ struct max8997_dev {
int irq;
int ono;
int irq_base;
bool wakeup;
struct mutex irqlock;
int irq_masks_cur[MAX8997_IRQ_GROUP_NR];
int irq_masks_cache[MAX8997_IRQ_GROUP_NR];