@@ -4,4 +4,7 @@
int devm_ens160_core_probe(struct device *dev, struct regmap *regmap, int irq,
const char *name);
+
+extern const struct dev_pm_ops ens160_pm_ops;
+
#endif
@@ -215,6 +215,29 @@ static const struct iio_info ens160_info = {
.read_raw = ens160_read_raw,
};
+static int ens160_suspend(struct device *dev)
+{
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct ens160_data *data = iio_priv(indio_dev);
+
+ return ens160_set_mode(data, ENS160_REG_MODE_DEEP_SLEEP);
+}
+
+static int ens160_resume(struct device *dev)
+{
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
+ struct ens160_data *data = iio_priv(indio_dev);
+ int ret;
+
+ ret = ens160_set_mode(data, ENS160_REG_MODE_IDLE);
+ if (ret)
+ return ret;
+
+ return ens160_set_mode(data, ENS160_REG_MODE_STANDARD);
+}
+EXPORT_NS_SIMPLE_DEV_PM_OPS(ens160_pm_ops, ens160_suspend, ens160_resume,
+ IIO_ENS160);
+
static irqreturn_t ens160_trigger_handler(int irq, void *p)
{
struct iio_poll_func *pf = p;
@@ -49,6 +49,7 @@ static struct i2c_driver ens160_i2c_driver = {
.driver = {
.name = "ens160_i2c",
.of_match_table = ens160_of_i2c_match,
+ .pm = pm_sleep_ptr(&ens160_pm_ops),
},
.probe = ens160_i2c_probe,
.id_table = ens160_i2c_id,
@@ -49,6 +49,7 @@ static struct spi_driver ens160_spi_driver = {
.driver = {
.name = "ens160_spi",
.of_match_table = ens160_spi_of_match,
+ .pm = pm_sleep_ptr(&ens160_pm_ops),
},
.probe = ens160_spi_probe,
.id_table = ens160_spi_id,
ENS160 supports a deep sleep mode for minimal power consumption. Use it to add PM sleep capability to the driver. Signed-off-by: Gustavo Silva <gustavograzs@gmail.com> --- no changes in v2 drivers/iio/chemical/ens160.h | 3 +++ drivers/iio/chemical/ens160_core.c | 23 +++++++++++++++++++++++ drivers/iio/chemical/ens160_i2c.c | 1 + drivers/iio/chemical/ens160_spi.c | 1 + 4 files changed, 28 insertions(+)