[PATCH] ARM: pxa/raumfeld: check charge state after resume
Daniel Mack
daniel at caiaq.de
Mon May 31 10:02:32 EDT 2010
Use the resume callback of the pda_power supply framework to check for a
'charge finished' event that might have occured during the sleep phase.
Signed-off-by: Daniel Mack <daniel at caiaq.de>
Cc: Eric Miao <eric.y.miao at gmail.com>
---
arch/arm/mach-pxa/raumfeld.c | 29 +++++++++++++++++++++--------
1 files changed, 21 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index 1c8cd39..7582a12 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -750,13 +750,32 @@ static int raumfeld_is_usb_online(void)
static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
+static void raumfeld_power_signal_charged(void)
+{
+ struct power_supply *psy =
+ power_supply_get_by_name(raumfeld_power_supplicants[0]);
+
+ if (psy)
+ power_supply_set_battery_charged(psy);
+}
+
+static int raumfeld_power_resume(void)
+{
+ /* check if GPIO_CHARGE_DONE went low while we were sleeping */
+ if (!gpio_get_value(GPIO_CHARGE_DONE))
+ raumfeld_power_signal_charged();
+
+ return 0;
+}
+
static struct pda_power_pdata power_supply_info = {
.init = power_supply_init,
.is_ac_online = raumfeld_is_ac_online,
.is_usb_online = raumfeld_is_usb_online,
.exit = power_supply_exit,
.supplied_to = raumfeld_power_supplicants,
- .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants)
+ .num_supplicants = ARRAY_SIZE(raumfeld_power_supplicants),
+ .resume = raumfeld_power_resume,
};
static struct resource power_supply_resources[] = {
@@ -771,13 +790,7 @@ static struct resource power_supply_resources[] = {
static irqreturn_t charge_done_irq(int irq, void *dev_id)
{
- struct power_supply *psy;
-
- psy = power_supply_get_by_name("ds2760-battery.0");
-
- if (psy)
- power_supply_set_battery_charged(psy);
-
+ raumfeld_power_signal_charged();
return IRQ_HANDLED;
}
--
1.7.1
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