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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/mfd/as3722.c
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/mfd/as3722.c')
-rw-r--r--drivers/mfd/as3722.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/mfd/as3722.c b/drivers/mfd/as3722.c
index 924ea9049..e1f597f97 100644
--- a/drivers/mfd/as3722.c
+++ b/drivers/mfd/as3722.c
@@ -405,6 +405,8 @@ static int as3722_i2c_probe(struct i2c_client *i2c,
goto scrub;
}
+ device_init_wakeup(as3722->dev, true);
+
dev_dbg(as3722->dev, "AS3722 core driver initialized successfully\n");
return 0;
@@ -422,6 +424,29 @@ static int as3722_i2c_remove(struct i2c_client *i2c)
return 0;
}
+static int __maybe_unused as3722_i2c_suspend(struct device *dev)
+{
+ struct as3722 *as3722 = dev_get_drvdata(dev);
+
+ if (device_may_wakeup(dev))
+ enable_irq_wake(as3722->chip_irq);
+ disable_irq(as3722->chip_irq);
+
+ return 0;
+}
+
+static int __maybe_unused as3722_i2c_resume(struct device *dev)
+{
+ struct as3722 *as3722 = dev_get_drvdata(dev);
+
+ enable_irq(as3722->chip_irq);
+
+ if (device_may_wakeup(dev))
+ disable_irq_wake(as3722->chip_irq);
+
+ return 0;
+}
+
static const struct of_device_id as3722_of_match[] = {
{ .compatible = "ams,as3722", },
{},
@@ -434,10 +459,15 @@ static const struct i2c_device_id as3722_i2c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, as3722_i2c_id);
+static const struct dev_pm_ops as3722_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(as3722_i2c_suspend, as3722_i2c_resume)
+};
+
static struct i2c_driver as3722_i2c_driver = {
.driver = {
.name = "as3722",
.of_match_table = as3722_of_match,
+ .pm = &as3722_pm_ops,
},
.probe = as3722_i2c_probe,
.remove = as3722_i2c_remove,