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iio: hid-sensor-magn-3d: Introduce PM
authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Wed, 7 Jan 2015 18:55:58 +0000 (10:55 -0800)
committerJonathan Cameron <jic23@kernel.org>
Sun, 25 Jan 2015 22:55:53 +0000 (22:55 +0000)
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>
drivers/iio/magnetometer/hid-sensor-magn-3d.c

index 6294575..d22993b 100644 (file)
@@ -157,20 +157,12 @@ static int magn_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(
-                                       &magn_state->common_attributes);
-               if (poll_value < 0)
-                               return -EINVAL;
-
                hid_sensor_power_state(&magn_state->common_attributes, true);
-               msleep_interruptible(poll_value * 2);
-
                report_id =
                        magn_state->magn[chan->address].report_id;
                address = magn_3d_addresses[chan->address];
@@ -530,6 +522,7 @@ static struct platform_driver hid_magn_3d_platform_driver = {
        .id_table = hid_magn_3d_ids,
        .driver = {
                .name   = KBUILD_MODNAME,
+               .pm     = &hid_sensor_pm_ops,
        },
        .probe          = hid_magn_3d_probe,
        .remove         = hid_magn_3d_remove,