mfd: Add MAX77693 irq handler
This patch supports IRQ handling for MAX77693.
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
index c852515..e9e4278 100644
--- a/drivers/mfd/max77693.c
+++ b/drivers/mfd/max77693.c
@@ -154,6 +154,10 @@
max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
i2c_set_clientdata(max77693->haptic, max77693);
+ ret = max77693_irq_init(max77693);
+ if (ret < 0)
+ goto err_mfd;
+
pm_runtime_set_active(max77693->dev);
ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
@@ -161,6 +165,8 @@
if (ret < 0)
goto err_mfd;
+ device_init_wakeup(max77693->dev, pdata->wakeup);
+
return ret;
err_mfd:
@@ -189,10 +195,36 @@
};
MODULE_DEVICE_TABLE(i2c, max77693_i2c_id);
+static int max77693_suspend(struct device *dev)
+{
+ struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
+ struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
+
+ if (device_may_wakeup(dev))
+ irq_set_irq_wake(max77693->irq, 1);
+ return 0;
+}
+
+static int max77693_resume(struct device *dev)
+{
+ struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
+ struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
+
+ if (device_may_wakeup(dev))
+ irq_set_irq_wake(max77693->irq, 0);
+ return max77693_irq_resume(max77693);
+}
+
+const struct dev_pm_ops max77693_pm = {
+ .suspend = max77693_suspend,
+ .resume = max77693_resume,
+};
+
static struct i2c_driver max77693_i2c_driver = {
.driver = {
.name = "max77693",
.owner = THIS_MODULE,
+ .pm = &max77693_pm,
},
.probe = max77693_i2c_probe,
.remove = max77693_i2c_remove,