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-rw-r--r--drivers/mfd/wm831x-core.c11
-rw-r--r--drivers/mfd/wm831x-i2c.c8
-rw-r--r--drivers/mfd/wm831x-spi.c8
3 files changed, 27 insertions, 0 deletions
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 282e76ab678f..099b6104d150 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -24,6 +24,7 @@
#include <linux/mfd/wm831x/irq.h>
#include <linux/mfd/wm831x/auxadc.h>
#include <linux/mfd/wm831x/otp.h>
+#include <linux/mfd/wm831x/pmu.h>
#include <linux/mfd/wm831x/regulator.h>
/* Current settings - values are 2*2^(reg_val/4) microamps. These are
@@ -1305,6 +1306,7 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
mutex_init(&wm831x->io_lock);
mutex_init(&wm831x->key_lock);
dev_set_drvdata(wm831x->dev, wm831x);
+ wm831x->soft_shutdown = pdata->soft_shutdown;
ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID);
if (ret < 0) {
@@ -1604,6 +1606,15 @@ int wm831x_device_suspend(struct wm831x *wm831x)
return 0;
}
+void wm831x_device_shutdown(struct wm831x *wm831x)
+{
+ if (wm831x->soft_shutdown) {
+ dev_info(wm831x->dev, "Initiating shutdown...\n");
+ wm831x_set_bits(wm831x, WM831X_POWER_STATE, WM831X_CHIP_ON, 0);
+ }
+}
+EXPORT_SYMBOL_GPL(wm831x_device_shutdown);
+
MODULE_DESCRIPTION("Core support for the WM831X AudioPlus PMIC");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mark Brown");
diff --git a/drivers/mfd/wm831x-i2c.c b/drivers/mfd/wm831x-i2c.c
index a06cbc739716..3ff8c13db2a8 100644
--- a/drivers/mfd/wm831x-i2c.c
+++ b/drivers/mfd/wm831x-i2c.c
@@ -109,6 +109,13 @@ static int wm831x_i2c_suspend(struct device *dev)
return wm831x_device_suspend(wm831x);
}
+static void wm831x_i2c_shutdown(struct i2c_client *i2c)
+{
+ struct wm831x *wm831x = i2c_get_clientdata(i2c);
+
+ wm831x_device_shutdown(wm831x);
+}
+
static const struct i2c_device_id wm831x_i2c_id[] = {
{ "wm8310", WM8310 },
{ "wm8311", WM8311 },
@@ -133,6 +140,7 @@ static struct i2c_driver wm831x_i2c_driver = {
},
.probe = wm831x_i2c_probe,
.remove = wm831x_i2c_remove,
+ .shutdown = wm831x_i2c_shutdown,
.id_table = wm831x_i2c_id,
};
diff --git a/drivers/mfd/wm831x-spi.c b/drivers/mfd/wm831x-spi.c
index eed8e4f7a5a1..8e8138ba0267 100644
--- a/drivers/mfd/wm831x-spi.c
+++ b/drivers/mfd/wm831x-spi.c
@@ -121,6 +121,13 @@ static int wm831x_spi_suspend(struct device *dev)
return wm831x_device_suspend(wm831x);
}
+static void wm831x_spi_shutdown(struct spi_device *spi)
+{
+ struct wm831x *wm831x = dev_get_drvdata(&spi->dev);
+
+ wm831x_device_shutdown(wm831x);
+}
+
static const struct dev_pm_ops wm831x_spi_pm = {
.freeze = wm831x_spi_suspend,
.suspend = wm831x_spi_suspend,
@@ -146,6 +153,7 @@ static struct spi_driver wm8311_spi_driver = {
},
.probe = wm831x_spi_probe,
.remove = __devexit_p(wm831x_spi_remove),
+ .shutdown = wm831x_spi_shutdown,
};
static struct spi_driver wm8312_spi_driver = {
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