pda_power: add init and exit function callbacks
This adds init/exit function callbacks to pda_power, to
provide a place where the platform code can request/free
GPIOs that it wants to use in the is_ac_online, is_usb_online
and set_charge functions.
Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c
index c8aa55b..82810b7bf 100644
--- a/drivers/power/pda_power.c
+++ b/drivers/power/pda_power.c
@@ -209,6 +209,12 @@
pdata = pdev->dev.platform_data;
+ if (pdata->init) {
+ ret = pdata->init(dev);
+ if (ret < 0)
+ goto init_failed;
+ }
+
update_status();
update_charger();
@@ -298,6 +304,9 @@
if (pdata->is_ac_online)
power_supply_unregister(&pda_psy_ac);
ac_supply_failed:
+ if (pdata->exit)
+ pdata->exit(dev);
+init_failed:
wrongid:
return ret;
}
@@ -318,6 +327,8 @@
power_supply_unregister(&pda_psy_usb);
if (pdata->is_ac_online)
power_supply_unregister(&pda_psy_ac);
+ if (pdata->exit)
+ pdata->exit(dev);
return 0;
}
diff --git a/include/linux/pda_power.h b/include/linux/pda_power.h
index 225beb1..cb7d10f 100644
--- a/include/linux/pda_power.h
+++ b/include/linux/pda_power.h
@@ -16,10 +16,14 @@
#define PDA_POWER_CHARGE_AC (1 << 0)
#define PDA_POWER_CHARGE_USB (1 << 1)
+struct device;
+
struct pda_power_pdata {
+ int (*init)(struct device *dev);
int (*is_ac_online)(void);
int (*is_usb_online)(void);
void (*set_charge)(int flags);
+ void (*exit)(struct device *dev);
char **supplied_to;
size_t num_supplicants;