X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;ds=sidebyside;f=include%2Flinux%2Fhid-sensor-hub.h;fp=include%2Flinux%2Fhid-sensor-hub.h;h=1db3320666690dc26006298c522062783d9bde84;hb=6adc83fca74ab73abcbd3b394cf3a8fd3701db99;hp=4c49b041922d21d5e6fb9bf4bbe1e9704ba6f339;hpb=b3f4737d00de317d1549d5cb5b1dad90e19f5cec;p=linux-2.6-microblaze.git

diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h
index 4c49b041922d..1db332066669 100644
--- a/include/linux/hid-sensor-hub.h
+++ b/include/linux/hid-sensor-hub.h
@@ -206,13 +206,15 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
 * sensor_hub_get_feature() - Feature get request
 * @report_id:	Report id to look for
 * @field_index:	Field index inside a report
-* @value:	Place holder for return value
+* @buffer_size:	size of the buffer
+* @buffer:	buffer to copy output
 *
 * Used to get a field in feature report. For example this can get polling
-* interval, sensitivity, activate/deactivate state.
+* interval, sensitivity, activate/deactivate state. On success it returns
+* number of bytes copied to buffer. On failure, it returns value < 0.
 */
 int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
-			u32 field_index, s32 *value);
+			   u32 field_index, int buffer_size, void *buffer);
 
 /* hid-sensor-attributes */