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path: root/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
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Diffstat (limited to 'drivers/iio/common/hid-sensors/hid-sensor-trigger.c')
-rw-r--r--drivers/iio/common/hid-sensors/hid-sensor-trigger.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index 5b41f9d0d4f3..a3cce3a38300 100644
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@ -122,6 +122,14 @@ int hid_sensor_power_state(struct hid_sensor_common *st, bool state)
122#endif 122#endif
123} 123}
124 124
125static void hid_sensor_set_power_work(struct work_struct *work)
126{
127 struct hid_sensor_common *attrb = container_of(work,
128 struct hid_sensor_common,
129 work);
130 _hid_sensor_power_state(attrb, true);
131}
132
125static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig, 133static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig,
126 bool state) 134 bool state)
127{ 135{
@@ -130,6 +138,7 @@ static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig,
130 138
131void hid_sensor_remove_trigger(struct hid_sensor_common *attrb) 139void hid_sensor_remove_trigger(struct hid_sensor_common *attrb)
132{ 140{
141 cancel_work_sync(&attrb->work);
133 iio_trigger_unregister(attrb->trigger); 142 iio_trigger_unregister(attrb->trigger);
134 iio_trigger_free(attrb->trigger); 143 iio_trigger_free(attrb->trigger);
135} 144}
@@ -170,6 +179,9 @@ int hid_sensor_setup_trigger(struct iio_dev *indio_dev, const char *name,
170 goto error_unreg_trigger; 179 goto error_unreg_trigger;
171 180
172 iio_device_set_drvdata(indio_dev, attrb); 181 iio_device_set_drvdata(indio_dev, attrb);
182
183 INIT_WORK(&attrb->work, hid_sensor_set_power_work);
184
173 pm_suspend_ignore_children(&attrb->pdev->dev, true); 185 pm_suspend_ignore_children(&attrb->pdev->dev, true);
174 pm_runtime_enable(&attrb->pdev->dev); 186 pm_runtime_enable(&attrb->pdev->dev);
175 /* Default to 3 seconds, but can be changed from sysfs */ 187 /* Default to 3 seconds, but can be changed from sysfs */
@@ -187,8 +199,7 @@ error_ret:
187} 199}
188EXPORT_SYMBOL(hid_sensor_setup_trigger); 200EXPORT_SYMBOL(hid_sensor_setup_trigger);
189 201
190#ifdef CONFIG_PM 202static int __maybe_unused hid_sensor_suspend(struct device *dev)
191static int hid_sensor_suspend(struct device *dev)
192{ 203{
193 struct platform_device *pdev = to_platform_device(dev); 204 struct platform_device *pdev = to_platform_device(dev);
194 struct iio_dev *indio_dev = platform_get_drvdata(pdev); 205 struct iio_dev *indio_dev = platform_get_drvdata(pdev);
@@ -197,21 +208,27 @@ static int hid_sensor_suspend(struct device *dev)
197 return _hid_sensor_power_state(attrb, false); 208 return _hid_sensor_power_state(attrb, false);
198} 209}
199 210
200static int hid_sensor_resume(struct device *dev) 211static int __maybe_unused hid_sensor_resume(struct device *dev)
201{ 212{
202 struct platform_device *pdev = to_platform_device(dev); 213 struct platform_device *pdev = to_platform_device(dev);
203 struct iio_dev *indio_dev = platform_get_drvdata(pdev); 214 struct iio_dev *indio_dev = platform_get_drvdata(pdev);
204 struct hid_sensor_common *attrb = iio_device_get_drvdata(indio_dev); 215 struct hid_sensor_common *attrb = iio_device_get_drvdata(indio_dev);
216 schedule_work(&attrb->work);
217 return 0;
218}
205 219
220static int __maybe_unused hid_sensor_runtime_resume(struct device *dev)
221{
222 struct platform_device *pdev = to_platform_device(dev);
223 struct iio_dev *indio_dev = platform_get_drvdata(pdev);
224 struct hid_sensor_common *attrb = iio_device_get_drvdata(indio_dev);
206 return _hid_sensor_power_state(attrb, true); 225 return _hid_sensor_power_state(attrb, true);
207} 226}
208 227
209#endif
210
211const struct dev_pm_ops hid_sensor_pm_ops = { 228const struct dev_pm_ops hid_sensor_pm_ops = {
212 SET_SYSTEM_SLEEP_PM_OPS(hid_sensor_suspend, hid_sensor_resume) 229 SET_SYSTEM_SLEEP_PM_OPS(hid_sensor_suspend, hid_sensor_resume)
213 SET_RUNTIME_PM_OPS(hid_sensor_suspend, 230 SET_RUNTIME_PM_OPS(hid_sensor_suspend,
214 hid_sensor_resume, NULL) 231 hid_sensor_runtime_resume, NULL)
215}; 232};
216EXPORT_SYMBOL(hid_sensor_pm_ops); 233EXPORT_SYMBOL(hid_sensor_pm_ops);
217 234