diff options
| author | Alexander Holler <holler@ahsoftware.de> | 2012-12-15 16:45:00 +0400 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-01-06 15:43:37 +0400 |
| commit | 2974cdf293e1cb00860522624252aeaba502c8bf (patch) | |
| tree | 76783b35540b56a470baece11fb3f80d6f9d1518 /include/linux/hid-sensor-hub.h | |
| parent | 8e3cdca26c9d9f0936c555bc67e2a5d71e61bb0d (diff) | |
| download | linux-2974cdf293e1cb00860522624252aeaba502c8bf.tar.xz | |
iio: merge hid-sensor-attributes.h into hid-sensor-hub.h
The stuff in hid-sensor-attributes.h is needed by every piece which
uses hid-sensor-hub and merging it into hid-sensor-hub.h makes it accessible
from outside the iio subdirectory.
Signed-off-by: Alexander Holler <holler@ahsoftware.de>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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..e6265f94d816 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_iio_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_iio_common *st); +int hid_sensor_write_raw_hyst_value(struct hid_sensor_iio_common *st, + int val1, int val2); +int hid_sensor_read_raw_hyst_value(struct hid_sensor_iio_common *st, + int *val1, int *val2); +int hid_sensor_write_samp_freq_value(struct hid_sensor_iio_common *st, + int val1, int val2); +int hid_sensor_read_samp_freq_value(struct hid_sensor_iio_common *st, + int *val1, int *val2); + #endif |