iio: imu: st_lsm6dsx: add wakeup_source in st_sensors_platform_data

Add the possibility to enable/disable wakeup source through
st_sensors_platform_data and not only through device tree
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c

@@ -2099,7 +2099,9 @@ static int st_lsm6dsx_irq_setup(struct st_lsm6dsx_hw *hw)
 int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id,
 		     struct regmap *regmap)
 {
+	struct st_sensors_platform_data *pdata = dev->platform_data;
 	const struct st_lsm6dsx_shub_settings *hub_settings;
+	struct device_node *np = dev->of_node;
 	struct st_lsm6dsx_hw *hw;
 	const char *name = NULL;
 	int i, err;
@@ -2162,8 +2164,8 @@ int st_lsm6dsx_probe(struct device *dev, int irq, int hw_id,
 			return err;
 	}
 
-	if (dev->of_node &&
-	    of_property_read_bool(dev->of_node, "wakeup-source"))
+	if ((np && of_property_read_bool(np, "wakeup-source")) ||
+	    (pdata && pdata->wakeup_source))
 		device_init_wakeup(dev, true);
 
 	return 0;

include/linux/platform_data/st_sensors_pdata.h

@@ -18,12 +18,14 @@
  * @open_drain: set the interrupt line to be open drain if possible.
  * @spi_3wire: enable spi-3wire mode.
  * @pullups: enable/disable i2c controller pullup resistors.
+ * @wakeup_source: enable/disable device as wakeup generator.
  */
 struct st_sensors_platform_data {
 	u8 drdy_int_pin;
 	bool open_drain;
 	bool spi_3wire;
 	bool pullups;
+	bool wakeup_source;
 };
 
 #endif /* ST_SENSORS_PDATA_H */