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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2015-02-19 15:33:56 -0800
committerJiri Kosina <jkosina@suse.cz>2015-02-23 15:16:37 +0100
commitb3f4737d00de317d1549d5cb5b1dad90e19f5cec (patch)
tree92cb55d8f19f340f2daf779336368cb3a34e8426 /drivers/iio/gyro
parentcb67126f32f008b9abe97fbfca9b23a797b2458a (diff)
downloadop-kernel-dev-b3f4737d00de317d1549d5cb5b1dad90e19f5cec.zip
op-kernel-dev-b3f4737d00de317d1549d5cb5b1dad90e19f5cec.tar.gz
HID: hid-sensor-hub: Extend API for async reads
Add additional flag to read in async mode. In this mode the caller will get reply via registered callback for capture_sample. Callbacks can be registered using sensor_hub_register_callback function. The usage id parameter of the capture_sample can be matched with the usage id of the requested attribute. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/iio/gyro')
-rw-r--r--drivers/iio/gyro/hid-sensor-gyro-3d.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index a3ea1e8..bdcd105 100644
--- a/drivers/iio/gyro/hid-sensor-gyro-3d.c
+++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c
@@ -130,7 +130,8 @@ static int gyro_3d_read_raw(struct iio_dev *indio_dev,
*val = sensor_hub_input_attr_get_raw_value(
gyro_state->common_attributes.hsdev,
HID_USAGE_SENSOR_GYRO_3D, address,
- report_id);
+ report_id,
+ SENSOR_HUB_SYNC);
else {
*val = 0;
hid_sensor_power_state(&gyro_state->common_attributes,
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