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Subject[PATCH] pda_power: add function callbacks for suspend and resume
Date
Add function prototypes for power management events so they can be
handled and used by platform implementations.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
---
drivers/power/pda_power.c | 9 +++++++++
include/linux/pda_power.h | 2 ++
2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index a232de6..0b27b9d 100644
--- a/drivers/power/pda_power.c
+++ b/drivers/power/pda_power.c
@@ -404,6 +404,12 @@ static int usb_wakeup_enabled;

static int pda_power_suspend(struct platform_device *pdev, pm_message_t state)
{
+ if (pdata->suspend) {
+ int ret = pdata->suspend(state);
+ if (ret)
+ return ret;
+ }
+
if (device_may_wakeup(&pdev->dev)) {
if (ac_irq)
ac_wakeup_enabled = !enable_irq_wake(ac_irq->start);
@@ -423,6 +429,9 @@ static int pda_power_resume(struct platform_device *pdev)
disable_irq_wake(ac_irq->start);
}

+ if (pdata->resume)
+ return pdata->resume();
+
return 0;
}
#else
diff --git a/include/linux/pda_power.h b/include/linux/pda_power.h
index d4cf7a2..c9e4d81 100644
--- a/include/linux/pda_power.h
+++ b/include/linux/pda_power.h
@@ -24,6 +24,8 @@ struct pda_power_pdata {
int (*is_usb_online)(void);
void (*set_charge)(int flags);
void (*exit)(struct device *dev);
+ int (*suspend)(pm_message_t state);
+ int (*resume)(void);

char **supplied_to;
size_t num_supplicants;
--
1.7.0.3


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