On 03/12/14 13:31, Daniel Baluta wrote: > Per sensor state (ACTIVE/STANDBY) is saved in driver's > private data (acc_stby/mag_stby) and restored when > resume is called. > > Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxxxx> applied. > --- > drivers/iio/imu/kmx61.c | 29 +++++++++++++++++++++++++++++ > 1 file changed, 29 insertions(+) > > diff --git a/drivers/iio/imu/kmx61.c b/drivers/iio/imu/kmx61.c > index 7536043..f69ae5a7 100644 > --- a/drivers/iio/imu/kmx61.c > +++ b/drivers/iio/imu/kmx61.c > @@ -16,6 +16,7 @@ > #include <linux/acpi.h> > #include <linux/gpio/consumer.h> > #include <linux/interrupt.h> > +#include <linux/pm.h> > #include <linux/pm_runtime.h> > #include <linux/iio/iio.h> > #include <linux/iio/sysfs.h> > @@ -796,6 +797,33 @@ static int kmx61_remove(struct i2c_client *client) > return 0; > } > > +#ifdef CONFIG_PM_SLEEP > +static int kmx61_suspend(struct device *dev) > +{ > + int ret; > + struct kmx61_data *data = i2c_get_clientdata(to_i2c_client(dev)); > + > + mutex_lock(&data->lock); > + ret = kmx61_set_mode(data, KMX61_ALL_STBY, KMX61_ACC | KMX61_MAG, > + false); > + mutex_unlock(&data->lock); > + > + return ret; > +} > + > +static int kmx61_resume(struct device *dev) > +{ > + u8 stby = 0; > + struct kmx61_data *data = i2c_get_clientdata(to_i2c_client(dev)); > + > + if (data->acc_stby) > + stby |= KMX61_ACC_STBY_BIT; > + if (data->mag_stby) > + stby |= KMX61_MAG_STBY_BIT; > + > + return kmx61_set_mode(data, stby, KMX61_ACC | KMX61_MAG, true); > +} > +#endif > > #ifdef CONFIG_PM_RUNTIME > static int kmx61_runtime_suspend(struct device *dev) > @@ -825,6 +853,7 @@ static int kmx61_runtime_resume(struct device *dev) > #endif > > static const struct dev_pm_ops kmx61_pm_ops = { > + SET_SYSTEM_SLEEP_PM_OPS(kmx61_suspend, kmx61_resume) > SET_RUNTIME_PM_OPS(kmx61_runtime_suspend, kmx61_runtime_resume, NULL) > }; > > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html