pda_power: Add function callbacks for suspend and resume
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: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index a232de6..69f8aa3 100644
--- a/drivers/power/pda_power.c
+++ b/drivers/power/pda_power.c
@@ -404,6 +404,13 @@
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 +430,9 @@
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 @@
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;