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-rw-r--r--drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c5
-rw-r--r--drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c21
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
index a66941fdb385..130ab8ce0269 100644
--- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
+++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
@@ -200,6 +200,10 @@ static int cros_ec_sensors_write(struct iio_dev *indio_dev,
st->core.param.sensor_range.roundup = 1;
ret = cros_ec_motion_send_host_cmd(&st->core, 0);
+ if (ret == 0) {
+ st->core.range_updated = true;
+ st->core.curr_range = val;
+ }
break;
default:
ret = cros_ec_sensors_core_write(
@@ -315,6 +319,7 @@ MODULE_DEVICE_TABLE(platform, cros_ec_sensors_ids);
static struct platform_driver cros_ec_sensors_platform_driver = {
.driver = {
.name = "cros-ec-sensors",
+ .pm = &cros_ec_sensors_pm_ops,
},
.probe = cros_ec_sensors_probe,
.id_table = cros_ec_sensors_ids,
diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
index c831915ca7e5..cda459b61206 100644
--- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
+++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
@@ -824,5 +824,26 @@ int cros_ec_sensors_core_write(struct cros_ec_sensors_core_state *st,
}
EXPORT_SYMBOL_GPL(cros_ec_sensors_core_write);
+static int __maybe_unused cros_ec_sensors_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct iio_dev *indio_dev = platform_get_drvdata(pdev);
+ struct cros_ec_sensors_core_state *st = iio_priv(indio_dev);
+ int ret = 0;
+
+ if (st->range_updated) {
+ mutex_lock(&st->cmd_lock);
+ st->param.cmd = MOTIONSENSE_CMD_SENSOR_RANGE;
+ st->param.sensor_range.data = st->curr_range;
+ st->param.sensor_range.roundup = 1;
+ ret = cros_ec_motion_send_host_cmd(st, 0);
+ mutex_unlock(&st->cmd_lock);
+ }
+ return ret;
+}
+
+SIMPLE_DEV_PM_OPS(cros_ec_sensors_pm_ops, NULL, cros_ec_sensors_resume);
+EXPORT_SYMBOL_GPL(cros_ec_sensors_pm_ops);
+
MODULE_DESCRIPTION("ChromeOS EC sensor hub core functions");
MODULE_LICENSE("GPL v2");