diff options
Diffstat (limited to 'drivers/iio/common/hid-sensors/hid-sensor-attributes.c')
| -rw-r--r-- | drivers/iio/common/hid-sensors/hid-sensor-attributes.c | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c index b5beea53d6f6..01e02b9926d4 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c @@ -58,6 +58,10 @@ static struct { {HID_USAGE_SENSOR_PRESSURE, 0, 100, 0}, {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000000}, + + {HID_USAGE_SENSOR_TIME_TIMESTAMP, 0, 1000000000, 0}, + {HID_USAGE_SENSOR_TIME_TIMESTAMP, HID_USAGE_SENSOR_UNITS_MILLISECOND, + 1000000, 0}, }; static int pow_10(unsigned power) @@ -201,7 +205,7 @@ int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st, int ret; if (val1 < 0 || val2 < 0) - ret = -EINVAL; + return -EINVAL; value = val1 * pow_10(6) + val2; if (value) { @@ -250,6 +254,9 @@ int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st, s32 value; int ret; + if (val1 < 0 || val2 < 0) + return -EINVAL; + value = convert_to_vtf_format(st->sensitivity.size, st->sensitivity.unit_expo, val1, val2); @@ -343,6 +350,13 @@ int hid_sensor_format_scale(u32 usage_id, } EXPORT_SYMBOL(hid_sensor_format_scale); +int64_t hid_sensor_convert_timestamp(struct hid_sensor_common *st, + int64_t raw_value) +{ + return st->timestamp_ns_scale * raw_value; +} +EXPORT_SYMBOL(hid_sensor_convert_timestamp); + static int hid_sensor_get_reporting_interval(struct hid_sensor_hub_device *hsdev, u32 usage_id, @@ -364,6 +378,9 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, struct hid_sensor_common *st) { + struct hid_sensor_hub_attribute_info timestamp; + s32 value; + int ret; hid_sensor_get_reporting_interval(hsdev, usage_id, st); @@ -382,11 +399,33 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, HID_USAGE_SENSOR_PROP_SENSITIVITY_ABS, &st->sensitivity); - hid_dbg(hsdev->hdev, "common attributes: %x:%x, %x:%x, %x:%x %x:%x\n", - st->poll.index, st->poll.report_id, - st->report_state.index, st->report_state.report_id, - st->power_state.index, st->power_state.report_id, - st->sensitivity.index, st->sensitivity.report_id); + sensor_hub_input_get_attribute_info(hsdev, + HID_INPUT_REPORT, usage_id, + HID_USAGE_SENSOR_TIME_TIMESTAMP, + ×tamp); + if (timestamp.index >= 0 && timestamp.report_id) { + int val0, val1; + + hid_sensor_format_scale(HID_USAGE_SENSOR_TIME_TIMESTAMP, + ×tamp, &val0, &val1); + st->timestamp_ns_scale = val0; + } else + st->timestamp_ns_scale = 1000000000; + + hid_dbg(hsdev->hdev, "common attributes: %x:%x, %x:%x, %x:%x %x:%x %x:%x\n", + st->poll.index, st->poll.report_id, + st->report_state.index, st->report_state.report_id, + st->power_state.index, st->power_state.report_id, + st->sensitivity.index, st->sensitivity.report_id, + timestamp.index, timestamp.report_id); + + ret = sensor_hub_get_feature(hsdev, + st->power_state.report_id, + st->power_state.index, sizeof(value), &value); + if (ret < 0) + return ret; + if (value < 0) + return -EINVAL; return 0; } |