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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-03-17 19:40:50 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-03-17 19:40:50 -0700 |
| commit | 688d794c4c3f8b08c814381ee2edd3ede5856056 (patch) | |
| tree | ef680add71e2a9588d07d8b594edbc1b5cd127d7 /include/linux/hid-sensor-hub.h | |
| parent | 16142655269aaf580488e074eabfdcf0fb4e3687 (diff) | |
| parent | a937536b868b8369b98967929045f1df54234323 (diff) | |
Merge tag 'v3.9-rc3' into next
Merge with mainline to bring in module_platform_driver_probe() and
devm_ioremap_resource().
Diffstat (limited to 'include/linux/hid-sensor-hub.h')
| -rw-r--r-- | include/linux/hid-sensor-hub.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h index 0aa5f4c42ae6..ecefb7311dd6 100644 --- a/include/linux/hid-sensor-hub.h +++ b/include/linux/hid-sensor-hub.h @@ -157,4 +157,42 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, */ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, u32 field_index, s32 *value); + +/* hid-sensor-attributes */ + +/* Common hid sensor iio structure */ +struct hid_sensor_common { + struct hid_sensor_hub_device *hsdev; + struct platform_device *pdev; + unsigned usage_id; + bool data_ready; + struct hid_sensor_hub_attribute_info poll; + struct hid_sensor_hub_attribute_info report_state; + struct hid_sensor_hub_attribute_info power_state; + struct hid_sensor_hub_attribute_info sensitivity; +}; + +/*Convert from hid unit expo to regular exponent*/ +static inline int hid_sensor_convert_exponent(int unit_expo) +{ + if (unit_expo < 0x08) + return unit_expo; + else if (unit_expo <= 0x0f) + return -(0x0f-unit_expo+1); + else + return 0; +} + +int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, + u32 usage_id, + struct hid_sensor_common *st); +int hid_sensor_write_raw_hyst_value(struct hid_sensor_common *st, + int val1, int val2); +int hid_sensor_read_raw_hyst_value(struct hid_sensor_common *st, + int *val1, int *val2); +int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st, + int val1, int val2); +int hid_sensor_read_samp_freq_value(struct hid_sensor_common *st, + int *val1, int *val2); + #endif |