iio: hid-sensor-gyro-3d: 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/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index a3ea1e8785d748c3f5afe63f62447589cd849c5b..a3c3e19de52758190889a559a77271c8d35410d5 100644 (file)
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -111,19 +111,12 @@ static int gyro_3d_read_raw(struct iio_dev *indio_dev,
        int report_id = -1;
        u32 address;
        int ret_type;
-       s32 poll_value;
 
        *val = 0;
        *val2 = 0;
        switch (mask) {
        case 0:
-               poll_value = hid_sensor_read_poll_value(
-                                       &gyro_state->common_attributes);
-               if (poll_value < 0)
-                       return -EINVAL;
-
                hid_sensor_power_state(&gyro_state->common_attributes, true);
-               msleep_interruptible(poll_value * 2);
                report_id = gyro_state->gyro[chan->scan_index].report_id;
                address = gyro_3d_addresses[chan->scan_index];
                if (report_id >= 0)
@@ -416,6 +409,7 @@ static struct platform_driver hid_gyro_3d_platform_driver = {
        .id_table = hid_gyro_3d_ids,
        .driver = {
                .name   = KBUILD_MODNAME,
+               .pm     = &hid_sensor_pm_ops,
        },
        .probe          = hid_gyro_3d_probe,
        .remove         = hid_gyro_3d_remove,