Revert "staging: iio: light: iqsxx: Add sysfs for SAR tool"

Bug 1538707

This reverts commit 4d1e4041479279f58ea4e5c7ef06f6b6eb3ba774.

Change-Id: Idcce1351c8a440012a6e595054c86498b69616b3
Signed-off-by: Todd Poynter <tpoynter@nvidia.com>
Reviewed-on: http://git-master/r/497056

diff --git a/drivers/staging/iio/light/iqs253.c b/drivers/staging/iio/light/iqs253.c
index 0d15dc1d8d687b9b8a46d36e3063dd28d5bcd986..a551f8269094e71a9457d4f154c63fb654be9f68 100644 (file)
--- a/drivers/staging/iio/light/iqs253.c
+++ b/drivers/staging/iio/light/iqs253.c
@@ -478,10 +478,10 @@ static void iqs253_sar_proximity_detect_work(struct work_struct *ws)
                        goto finish;
                /* provide input to SAR */
                if (chip->value/2) {
-                       /* pr_info("%s :<-- undetect -->\n", __func__); */
+                       pr_info("%s :<-- undetect -->\n", __func__);
                        gpio_direction_output(chip->sar_gpio, 1);
                } else {
-                       /* pr_info("%s :--> detect <--\n", __func__); */
+                       pr_info("%s :--> detect <--\n", __func__);
                        gpio_direction_output(chip->sar_gpio, 0);
                }
        } else {
@@ -506,42 +506,6 @@ finish:
        queue_delayed_work(chip->sar_wq, &chip->sar_dw, msecs_to_jiffies(1000));
 }
 
-static ssize_t show_proximity_status(struct device * dev,
-       struct device_attribute *attr, char *buf)
-{
-       struct iio_dev *indio_dev = dev_to_iio_dev(dev);
-       struct iqs253_chip *chip = iio_priv(indio_dev);
-       if (chip->version == 253) {
-               if (chip->value / 2)
-                       return sprintf(buf, "1"); /* undetect */
-               return sprintf(buf, "0"); /* detect */
-       } else {
-               if ((chip->value & 0x04) != 0)
-                       return sprintf(buf, "0"); /* detect */
-               return sprintf(buf, "1"); /* undetect */
-       }
-       return sprintf(buf, "invalid iqs sensor version..\n");
-}
-
-static IIO_CONST_ATTR(name, "iqs_sar_sensor");
-static IIO_DEVICE_ATTR(proximity_status, S_IRUGO, show_proximity_status,
-                      NULL, 0);
-
-static struct attribute *iqs253_iio_attr[] = {
-       &iio_dev_attr_proximity_status.dev_attr.attr,
-       &iio_const_attr_name.dev_attr.attr,
-       NULL
-};
-
-static const struct attribute_group iqs253_iio_attr_grp = {
-       .attrs = iqs253_iio_attr,
-};
-
-static const struct iio_info iqs253_iio_info = {
-       .attrs = &iqs253_iio_attr_grp,
-       .driver_module = THIS_MODULE,
-};
-
 static int iqs253_probe(struct i2c_client *client,
                        const struct i2c_device_id *id)
 {
@@ -639,21 +603,11 @@ static int iqs253_probe(struct i2c_client *client,
 
        queue_delayed_work(iqs253_chip->sar_wq, &iqs253_chip->sar_dw, 0);
 
-       indio_dev->info = &iqs253_iio_info;
-       indio_dev->dev.parent = &client->dev;
-       indio_dev->modes = INDIO_DIRECT_MODE;
-       ret = iio_device_register(indio_dev);
-       if (ret) {
-               dev_err(&client->dev, "%s iio_device_register err\n", __func__);
-               goto err_iio_register;
-       }
-
        dev_info(&client->dev, "devname:%s func:%s line:%d probe success\n",
                        id->name, __func__, __LINE__);
 
        return 0;
 
-err_iio_register:
 err_gpio_request:
        if (iqs253_chip->sar_wq)
                destroy_workqueue(iqs253_chip->sar_wq);