summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
authorAlexander Holler <holler@ahsoftware.de>2012-12-15 12:45:00 +0000
committerJonathan Cameron <jic23@kernel.org>2013-01-06 11:43:37 +0000
commit2974cdf293e1cb00860522624252aeaba502c8bf (patch)
tree76783b35540b56a470baece11fb3f80d6f9d1518 /include
parent8e3cdca26c9d9f0936c555bc67e2a5d71e61bb0d (diff)
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')
-rw-r--r--include/linux/hid-sensor-hub.h38
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