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path: root/drivers/iio/orientation/hid-sensor-incl-3d.c
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Diffstat (limited to 'drivers/iio/orientation/hid-sensor-incl-3d.c')
-rw-r--r--drivers/iio/orientation/hid-sensor-incl-3d.c37
1 files changed, 29 insertions, 8 deletions
diff --git a/drivers/iio/orientation/hid-sensor-incl-3d.c b/drivers/iio/orientation/hid-sensor-incl-3d.c
index 070feab08faa..2478f6c2ef25 100644
--- a/drivers/iio/orientation/hid-sensor-incl-3d.c
+++ b/drivers/iio/orientation/hid-sensor-incl-3d.c
@@ -22,6 +22,7 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/slab.h>
+#include <linux/delay.h>
#include <linux/hid-sensor-hub.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
@@ -42,6 +43,10 @@ struct incl_3d_state {
struct hid_sensor_common common_attributes;
struct hid_sensor_hub_attribute_info incl[INCLI_3D_CHANNEL_MAX];
u32 incl_val[INCLI_3D_CHANNEL_MAX];
+ int scale_pre_decml;
+ int scale_post_decml;
+ int scale_precision;
+ int value_offset;
};
static const u32 incl_3d_addresses[INCLI_3D_CHANNEL_MAX] = {
@@ -106,11 +111,20 @@ static int incl_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 IIO_CHAN_INFO_RAW:
+ poll_value = hid_sensor_read_poll_value(
+ &incl_state->common_attributes);
+ if (poll_value < 0)
+ return -EINVAL;
+
+ hid_sensor_power_state(&incl_state->common_attributes, true);
+ msleep_interruptible(poll_value * 2);
+
report_id =
incl_state->incl[chan->scan_index].report_id;
address = incl_3d_addresses[chan->scan_index];
@@ -120,17 +134,20 @@ static int incl_3d_read_raw(struct iio_dev *indio_dev,
HID_USAGE_SENSOR_INCLINOMETER_3D, address,
report_id);
else {
+ hid_sensor_power_state(&incl_state->common_attributes,
+ false);
return -EINVAL;
}
+ hid_sensor_power_state(&incl_state->common_attributes, false);
ret_type = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_SCALE:
- *val = incl_state->incl[CHANNEL_SCAN_INDEX_X].units;
- ret_type = IIO_VAL_INT;
+ *val = incl_state->scale_pre_decml;
+ *val2 = incl_state->scale_post_decml;
+ ret_type = incl_state->scale_precision;
break;
case IIO_CHAN_INFO_OFFSET:
- *val = hid_sensor_convert_exponent(
- incl_state->incl[CHANNEL_SCAN_INDEX_X].unit_expo);
+ *val = incl_state->value_offset;
ret_type = IIO_VAL_INT;
break;
case IIO_CHAN_INFO_SAMP_FREQ:
@@ -196,9 +213,8 @@ static int incl_3d_proc_event(struct hid_sensor_hub_device *hsdev,
struct iio_dev *indio_dev = platform_get_drvdata(priv);
struct incl_3d_state *incl_state = iio_priv(indio_dev);
- dev_dbg(&indio_dev->dev, "incl_3d_proc_event [%d]\n",
- incl_state->common_attributes.data_ready);
- if (incl_state->common_attributes.data_ready)
+ dev_dbg(&indio_dev->dev, "incl_3d_proc_event\n");
+ if (atomic_read(&incl_state->common_attributes.data_ready))
hid_sensor_push_data(indio_dev,
(u8 *)incl_state->incl_val,
sizeof(incl_state->incl_val));
@@ -279,6 +295,11 @@ static int incl_3d_parse_report(struct platform_device *pdev,
st->incl[1].index, st->incl[1].report_id,
st->incl[2].index, st->incl[2].report_id);
+ st->scale_precision = hid_sensor_format_scale(
+ HID_USAGE_SENSOR_INCLINOMETER_3D,
+ &st->incl[CHANNEL_SCAN_INDEX_X],
+ &st->scale_pre_decml, &st->scale_post_decml);
+
/* Set Sensitivity field ids, when there is no individual modifier */
if (st->common_attributes.sensitivity.index < 0) {
sensor_hub_input_get_attribute_info(hsdev,
@@ -349,7 +370,7 @@ static int hid_incl_3d_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to initialize trigger buffer\n");
goto error_free_dev_mem;
}
- incl_state->common_attributes.data_ready = false;
+ atomic_set(&incl_state->common_attributes.data_ready, 0);
ret = hid_sensor_setup_trigger(indio_dev, name,
&incl_state->common_attributes);
if (ret) {