From: Jiri Kosina <jkosina@suse.cz>
Date: Mon, 13 Apr 2015 21:43:34 +0000 (+0200)
Subject: Merge branch 'for-4.1/sensor-hub' into for-linus
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2e455c27bddbf8cf6d1039daea40de8e6865c453;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

Merge branch 'for-4.1/sensor-hub' into for-linus

Conflicts:
	drivers/iio/common/hid-sensors/hid-sensor-trigger.c
	include/linux/hid-sensor-hub.h
---

2e455c27bddbf8cf6d1039daea40de8e6865c453
diff --cc drivers/hid/hid-sensor-hub.c
index e54ce1097e2c,ecdcb5ac91f9..c3f6f1e311ea
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@@ -135,11 -116,11 +116,12 @@@ static struct hid_sensor_hub_callbacks 
  {
  	struct hid_sensor_hub_callbacks_list *callback;
  	struct sensor_hub_data *pdata = hid_get_drvdata(hdev);
 +	unsigned long flags;
  
 -	spin_lock(&pdata->dyn_callback_lock);
 +	spin_lock_irqsave(&pdata->dyn_callback_lock, flags);
  	list_for_each_entry(callback, &pdata->dyn_callback_list, list)
- 		if (callback->usage_id == usage_id &&
+ 		if ((callback->usage_id == usage_id ||
+ 		     callback->usage_id == HID_USAGE_SENSOR_COLLECTION) &&
  			(collection_index >=
  				callback->hsdev->start_collection_index) &&
  			(collection_index <
diff --cc drivers/iio/common/hid-sensors/hid-sensor-trigger.c
index 2f1d535b94c4,910e82a7d06e..610fc98f88ef
--- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
+++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c
@@@ -80,11 -77,8 +81,11 @@@ static int _hid_sensor_power_state(stru
  	}
  
  	sensor_hub_get_feature(st->hsdev, st->power_state.report_id,
- 					st->power_state.index,
- 					&state_val);
+ 			       st->power_state.index,
+ 			       sizeof(state_val), &state_val);
 +	if (state && poll_value)
 +		msleep_interruptible(poll_value * 2);
 +
  	return 0;
  }
  EXPORT_SYMBOL(hid_sensor_power_state);
diff --cc include/linux/hid-sensor-hub.h
index 4173a8fdad9e,4a2fdbabfcf1..0408421d885f
--- a/include/linux/hid-sensor-hub.h
+++ b/include/linux/hid-sensor-hub.h
@@@ -152,21 -173,29 +176,30 @@@ int sensor_hub_input_get_attribute_info
  * @usage_id:	Attribute usage id of parent physical device as per spec
  * @attr_usage_id:	Attribute usage id as per spec
  * @report_id:	Report id to look for
+ * @flag:      Synchronous or asynchronous read
  *
- * Issues a synchronous read request for an input attribute. Returns
- * data upto 32 bits. Since client can get events, so this call should
- * not be used for data paths, this will impact performance.
+ * Issues a synchronous or asynchronous read request for an input attribute.
+ * Returns data upto 32 bits.
  */
  
+ enum sensor_hub_read_flags {
+ 	SENSOR_HUB_SYNC,
+ 	SENSOR_HUB_ASYNC,
+ };
+ 
  int sensor_hub_input_attr_get_raw_value(struct hid_sensor_hub_device *hsdev,
- 			u32 usage_id,
- 			u32 attr_usage_id, u32 report_id);
+  					u32 usage_id,
+  					u32 attr_usage_id, u32 report_id,
+  					enum sensor_hub_read_flags flag
+ );
+ 
  /**
  * sensor_hub_set_feature() - Feature set request
 +* @hsdev:	Hub device instance.
  * @report_id:	Report id to look for
  * @field_index:	Field index inside a report
- * @value:	Value to set
+ * @buffer_size: size of the buffer
+ * @buffer:	buffer to use in the feature set
  *
  * Used to set a field in feature report. For example this can set polling
  * interval, sensitivity, activate/deactivate state.
@@@ -176,16 -205,17 +209,18 @@@ int sensor_hub_set_feature(struct hid_s
  
  /**
  * sensor_hub_get_feature() - Feature get request
 +* @hsdev:	Hub device instance.
  * @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 */