iio: hid-sensor-prox: Introduce PM

Use common hid sensor iio pm functions. Also the poll time read and
wait is part of power up function of hid sensor iio pm function, so
remove from the client drivers.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c
index f5a514698fd8614e43b1f99fa4a460f303757764..3ecf79ed08ac89bf4f82eedbdb47813ed2997f53 100644 (file)
--- a/drivers/iio/light/hid-sensor-prox.c
+++ b/drivers/iio/light/hid-sensor-prox.c
@@ -75,7 +75,6 @@ static int prox_read_raw(struct iio_dev *indio_dev,
        int report_id = -1;
        u32 address;
        int ret_type;
-       s32 poll_value;
 
        *val = 0;
        *val2 = 0;
@@ -92,16 +91,8 @@ static int prox_read_raw(struct iio_dev *indio_dev,
                        break;
                }
                if (report_id >= 0) {
-                       poll_value = hid_sensor_read_poll_value(
-                                       &prox_state->common_attributes);
-                       if (poll_value < 0)
-                               return -EINVAL;
-
                        hid_sensor_power_state(&prox_state->common_attributes,
                                                true);
-
-                       msleep_interruptible(poll_value * 2);
-
                        *val = sensor_hub_input_attr_get_raw_value(
                                prox_state->common_attributes.hsdev,
                                HID_USAGE_SENSOR_PROX, address,
@@ -373,6 +364,7 @@ static struct platform_driver hid_prox_platform_driver = {
        .id_table = hid_prox_ids,
        .driver = {
                .name   = KBUILD_MODNAME,
+               .pm     = &hid_sensor_pm_ops,
        },
        .probe          = hid_prox_probe,
        .remove         = hid_prox_remove,