mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-29 13:53:33 +00:00
Merge branch 'for-3.15/hid-sensor-hub' into for-linus
This commit is contained in:
Jiri Kosina
commit
ded75664d1
4 changed files with 164 additions and 110 deletions
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|
@ -56,9 +56,9 @@ struct sensor_hub_pending {
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* @dyn_callback_lock: spin lock to protect callback list
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* @hid_sensor_hub_client_devs: Stores all MFD cells for a hub instance.
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* @hid_sensor_client_cnt: Number of MFD cells, (no of sensors attached).
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* @ref_cnt: Number of MFD clients have opened this device
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*/
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struct sensor_hub_data {
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struct hid_sensor_hub_device *hsdev;
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struct mutex mutex;
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spinlock_t lock;
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struct sensor_hub_pending pending;
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@ -67,6 +67,7 @@ struct sensor_hub_data {
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struct mfd_cell *hid_sensor_hub_client_devs;
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int hid_sensor_client_cnt;
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unsigned long quirks;
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int ref_cnt;
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};
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/**
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@ -79,6 +80,7 @@ struct sensor_hub_data {
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struct hid_sensor_hub_callbacks_list {
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struct list_head list;
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u32 usage_id;
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struct hid_sensor_hub_device *hsdev;
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struct hid_sensor_hub_callbacks *usage_callback;
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void *priv;
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};
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@ -97,20 +99,18 @@ static struct hid_report *sensor_hub_report(int id, struct hid_device *hdev,
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return NULL;
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}
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static int sensor_hub_get_physical_device_count(
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struct hid_report_enum *report_enum)
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static int sensor_hub_get_physical_device_count(struct hid_device *hdev)
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{
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struct hid_report *report;
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struct hid_field *field;
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int cnt = 0;
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int i;
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int count = 0;
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list_for_each_entry(report, &report_enum->report_list, list) {
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field = report->field[0];
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if (report->maxfield && field && field->physical)
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cnt++;
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for (i = 0; i < hdev->maxcollection; ++i) {
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struct hid_collection *collection = &hdev->collection[i];
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if (collection->type == HID_COLLECTION_PHYSICAL)
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++count;
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}
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return cnt;
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return count;
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}
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static void sensor_hub_fill_attr_info(
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@ -128,15 +128,23 @@ static void sensor_hub_fill_attr_info(
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static struct hid_sensor_hub_callbacks *sensor_hub_get_callback(
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struct hid_device *hdev,
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u32 usage_id, void **priv)
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u32 usage_id,
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int collection_index,
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struct hid_sensor_hub_device **hsdev,
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void **priv)
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{
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struct hid_sensor_hub_callbacks_list *callback;
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struct sensor_hub_data *pdata = hid_get_drvdata(hdev);
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spin_lock(&pdata->dyn_callback_lock);
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list_for_each_entry(callback, &pdata->dyn_callback_list, list)
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if (callback->usage_id == usage_id) {
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if (callback->usage_id == usage_id &&
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(collection_index >=
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callback->hsdev->start_collection_index) &&
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(collection_index <
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callback->hsdev->end_collection_index)) {
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*priv = callback->priv;
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*hsdev = callback->hsdev;
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spin_unlock(&pdata->dyn_callback_lock);
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return callback->usage_callback;
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}
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@ -154,7 +162,8 @@ int sensor_hub_register_callback(struct hid_sensor_hub_device *hsdev,
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spin_lock(&pdata->dyn_callback_lock);
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list_for_each_entry(callback, &pdata->dyn_callback_list, list)
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if (callback->usage_id == usage_id) {
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if (callback->usage_id == usage_id &&
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callback->hsdev == hsdev) {
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spin_unlock(&pdata->dyn_callback_lock);
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return -EINVAL;
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}
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@ -163,6 +172,7 @@ int sensor_hub_register_callback(struct hid_sensor_hub_device *hsdev,
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spin_unlock(&pdata->dyn_callback_lock);
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return -ENOMEM;
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}
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callback->hsdev = hsdev;
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callback->usage_callback = usage_callback;
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callback->usage_id = usage_id;
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callback->priv = NULL;
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@ -181,7 +191,8 @@ int sensor_hub_remove_callback(struct hid_sensor_hub_device *hsdev,
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spin_lock(&pdata->dyn_callback_lock);
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list_for_each_entry(callback, &pdata->dyn_callback_list, list)
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if (callback->usage_id == usage_id) {
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if (callback->usage_id == usage_id &&
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callback->hsdev == hsdev) {
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list_del(&callback->list);
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kfree(callback);
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break;
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@ -290,6 +301,28 @@ int sensor_hub_input_attr_get_raw_value(struct hid_sensor_hub_device *hsdev,
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}
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EXPORT_SYMBOL_GPL(sensor_hub_input_attr_get_raw_value);
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int hid_sensor_get_usage_index(struct hid_sensor_hub_device *hsdev,
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u32 report_id, int field_index, u32 usage_id)
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{
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struct hid_report *report;
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struct hid_field *field;
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int i;
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report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT);
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if (!report || (field_index >= report->maxfield))
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goto done_proc;
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field = report->field[field_index];
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for (i = 0; i < field->maxusage; ++i) {
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if (field->usage[i].hid == usage_id)
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return field->usage[i].usage_index;
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}
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done_proc:
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return -EINVAL;
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}
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EXPORT_SYMBOL_GPL(hid_sensor_get_usage_index);
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int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev,
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u8 type,
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u32 usage_id,
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@ -297,8 +330,7 @@ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev,
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struct hid_sensor_hub_attribute_info *info)
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{
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int ret = -1;
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int i, j;
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int collection_index = -1;
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int i;
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struct hid_report *report;
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struct hid_field *field;
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struct hid_report_enum *report_enum;
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@ -312,44 +344,31 @@ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev,
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info->units = -1;
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info->unit_expo = -1;
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for (i = 0; i < hdev->maxcollection; ++i) {
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struct hid_collection *collection = &hdev->collection[i];
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if (usage_id == collection->usage) {
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collection_index = i;
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break;
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}
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}
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if (collection_index == -1)
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goto err_ret;
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report_enum = &hdev->report_enum[type];
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list_for_each_entry(report, &report_enum->report_list, list) {
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for (i = 0; i < report->maxfield; ++i) {
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field = report->field[i];
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if (field->physical == usage_id &&
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field->logical == attr_usage_id) {
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sensor_hub_fill_attr_info(info, i, report->id,
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field);
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ret = 0;
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} else {
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for (j = 0; j < field->maxusage; ++j) {
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if (field->usage[j].hid ==
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attr_usage_id &&
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field->usage[j].collection_index ==
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collection_index) {
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sensor_hub_fill_attr_info(info,
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i, report->id, field);
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ret = 0;
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break;
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}
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if (field->maxusage) {
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if (field->physical == usage_id &&
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(field->logical == attr_usage_id ||
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field->usage[0].hid ==
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attr_usage_id) &&
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(field->usage[0].collection_index >=
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hsdev->start_collection_index) &&
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(field->usage[0].collection_index <
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hsdev->end_collection_index)) {
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sensor_hub_fill_attr_info(info, i,
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report->id,
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field);
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ret = 0;
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break;
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}
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}
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if (ret == 0)
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break;
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}
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}
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err_ret:
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return ret;
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}
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EXPORT_SYMBOL_GPL(sensor_hub_input_get_attribute_info);
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@ -365,7 +384,7 @@ static int sensor_hub_suspend(struct hid_device *hdev, pm_message_t message)
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list_for_each_entry(callback, &pdata->dyn_callback_list, list) {
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if (callback->usage_callback->suspend)
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callback->usage_callback->suspend(
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pdata->hsdev, callback->priv);
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callback->hsdev, callback->priv);
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}
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spin_unlock(&pdata->dyn_callback_lock);
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@ -382,7 +401,7 @@ static int sensor_hub_resume(struct hid_device *hdev)
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list_for_each_entry(callback, &pdata->dyn_callback_list, list) {
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if (callback->usage_callback->resume)
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callback->usage_callback->resume(
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pdata->hsdev, callback->priv);
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callback->hsdev, callback->priv);
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}
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spin_unlock(&pdata->dyn_callback_lock);
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@ -409,6 +428,7 @@ static int sensor_hub_raw_event(struct hid_device *hdev,
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struct hid_sensor_hub_callbacks *callback = NULL;
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struct hid_collection *collection = NULL;
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void *priv = NULL;
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struct hid_sensor_hub_device *hsdev = NULL;
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hid_dbg(hdev, "sensor_hub_raw_event report id:0x%x size:%d type:%d\n",
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report->id, size, report->type);
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@ -443,23 +463,26 @@ static int sensor_hub_raw_event(struct hid_device *hdev,
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report->field[i]->usage->collection_index];
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hid_dbg(hdev, "collection->usage %x\n",
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collection->usage);
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callback = sensor_hub_get_callback(pdata->hsdev->hdev,
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report->field[i]->physical,
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&priv);
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callback = sensor_hub_get_callback(hdev,
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report->field[i]->physical,
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report->field[i]->usage[0].collection_index,
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&hsdev, &priv);
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if (callback && callback->capture_sample) {
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if (report->field[i]->logical)
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callback->capture_sample(pdata->hsdev,
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callback->capture_sample(hsdev,
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report->field[i]->logical, sz, ptr,
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callback->pdev);
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else
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callback->capture_sample(pdata->hsdev,
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callback->capture_sample(hsdev,
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report->field[i]->usage->hid, sz, ptr,
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callback->pdev);
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}
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ptr += sz;
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}
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if (callback && collection && callback->send_event)
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callback->send_event(pdata->hsdev, collection->usage,
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callback->send_event(hsdev, collection->usage,
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callback->pdev);
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spin_unlock_irqrestore(&pdata->lock, flags);
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@ -472,7 +495,7 @@ int sensor_hub_device_open(struct hid_sensor_hub_device *hsdev)
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struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev);
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mutex_lock(&data->mutex);
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if (!hsdev->ref_cnt) {
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if (!data->ref_cnt) {
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ret = hid_hw_open(hsdev->hdev);
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if (ret) {
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hid_err(hsdev->hdev, "failed to open hid device\n");
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@ -480,7 +503,7 @@ int sensor_hub_device_open(struct hid_sensor_hub_device *hsdev)
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return ret;
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}
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}
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hsdev->ref_cnt++;
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data->ref_cnt++;
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mutex_unlock(&data->mutex);
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return ret;
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@ -492,8 +515,8 @@ void sensor_hub_device_close(struct hid_sensor_hub_device *hsdev)
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struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev);
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mutex_lock(&data->mutex);
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hsdev->ref_cnt--;
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if (!hsdev->ref_cnt)
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data->ref_cnt--;
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if (!data->ref_cnt)
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hid_hw_close(hsdev->hdev);
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mutex_unlock(&data->mutex);
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}
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@ -540,26 +563,19 @@ static int sensor_hub_probe(struct hid_device *hdev,
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struct sensor_hub_data *sd;
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int i;
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char *name;
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struct hid_report *report;
|
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struct hid_report_enum *report_enum;
|
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struct hid_field *field;
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int dev_cnt;
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struct hid_sensor_hub_device *hsdev;
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struct hid_sensor_hub_device *last_hsdev = NULL;
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|
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sd = devm_kzalloc(&hdev->dev, sizeof(*sd), GFP_KERNEL);
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if (!sd) {
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||||
hid_err(hdev, "cannot allocate Sensor data\n");
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return -ENOMEM;
|
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}
|
||||
sd->hsdev = devm_kzalloc(&hdev->dev, sizeof(*sd->hsdev), GFP_KERNEL);
|
||||
if (!sd->hsdev) {
|
||||
hid_err(hdev, "cannot allocate hid_sensor_hub_device\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
hid_set_drvdata(hdev, sd);
|
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sd->quirks = id->driver_data;
|
||||
sd->hsdev->hdev = hdev;
|
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sd->hsdev->vendor_id = hdev->vendor;
|
||||
sd->hsdev->product_id = hdev->product;
|
||||
|
||||
spin_lock_init(&sd->lock);
|
||||
spin_lock_init(&sd->dyn_callback_lock);
|
||||
mutex_init(&sd->mutex);
|
||||
|
|
@ -577,9 +593,8 @@ static int sensor_hub_probe(struct hid_device *hdev,
|
|||
}
|
||||
INIT_LIST_HEAD(&sd->dyn_callback_list);
|
||||
sd->hid_sensor_client_cnt = 0;
|
||||
report_enum = &hdev->report_enum[HID_INPUT_REPORT];
|
||||
|
||||
dev_cnt = sensor_hub_get_physical_device_count(report_enum);
|
||||
dev_cnt = sensor_hub_get_physical_device_count(hdev);
|
||||
if (dev_cnt > HID_MAX_PHY_DEVICES) {
|
||||
hid_err(hdev, "Invalid Physical device count\n");
|
||||
ret = -EINVAL;
|
||||
|
|
@ -593,42 +608,63 @@ static int sensor_hub_probe(struct hid_device *hdev,
|
|||
ret = -ENOMEM;
|
||||
goto err_stop_hw;
|
||||
}
|
||||
list_for_each_entry(report, &report_enum->report_list, list) {
|
||||
hid_dbg(hdev, "Report id:%x\n", report->id);
|
||||
field = report->field[0];
|
||||
if (report->maxfield && field &&
|
||||
field->physical) {
|
||||
|
||||
for (i = 0; i < hdev->maxcollection; ++i) {
|
||||
struct hid_collection *collection = &hdev->collection[i];
|
||||
|
||||
if (collection->type == HID_COLLECTION_PHYSICAL) {
|
||||
|
||||
hsdev = kzalloc(sizeof(*hsdev), GFP_KERNEL);
|
||||
if (!hsdev) {
|
||||
hid_err(hdev, "cannot allocate hid_sensor_hub_device\n");
|
||||
ret = -ENOMEM;
|
||||
goto err_no_mem;
|
||||
}
|
||||
hsdev->hdev = hdev;
|
||||
hsdev->vendor_id = hdev->vendor;
|
||||
hsdev->product_id = hdev->product;
|
||||
hsdev->start_collection_index = i;
|
||||
if (last_hsdev)
|
||||
last_hsdev->end_collection_index = i;
|
||||
last_hsdev = hsdev;
|
||||
name = kasprintf(GFP_KERNEL, "HID-SENSOR-%x",
|
||||
field->physical);
|
||||
collection->usage);
|
||||
if (name == NULL) {
|
||||
hid_err(hdev, "Failed MFD device name\n");
|
||||
ret = -ENOMEM;
|
||||
goto err_free_names;
|
||||
goto err_no_mem;
|
||||
}
|
||||
sd->hid_sensor_hub_client_devs[
|
||||
sd->hid_sensor_client_cnt].id = PLATFORM_DEVID_AUTO;
|
||||
sd->hid_sensor_client_cnt].id =
|
||||
PLATFORM_DEVID_AUTO;
|
||||
sd->hid_sensor_hub_client_devs[
|
||||
sd->hid_sensor_client_cnt].name = name;
|
||||
sd->hid_sensor_hub_client_devs[
|
||||
sd->hid_sensor_client_cnt].platform_data =
|
||||
sd->hsdev;
|
||||
hsdev;
|
||||
sd->hid_sensor_hub_client_devs[
|
||||
sd->hid_sensor_client_cnt].pdata_size =
|
||||
sizeof(*sd->hsdev);
|
||||
hid_dbg(hdev, "Adding %s:%p\n", name, sd);
|
||||
sizeof(*hsdev);
|
||||
hid_dbg(hdev, "Adding %s:%d\n", name,
|
||||
hsdev->start_collection_index);
|
||||
sd->hid_sensor_client_cnt++;
|
||||
}
|
||||
}
|
||||
if (last_hsdev)
|
||||
last_hsdev->end_collection_index = i;
|
||||
|
||||
ret = mfd_add_devices(&hdev->dev, 0, sd->hid_sensor_hub_client_devs,
|
||||
sd->hid_sensor_client_cnt, NULL, 0, NULL);
|
||||
if (ret < 0)
|
||||
goto err_free_names;
|
||||
goto err_no_mem;
|
||||
|
||||
return ret;
|
||||
|
||||
err_free_names:
|
||||
for (i = 0; i < sd->hid_sensor_client_cnt ; ++i)
|
||||
err_no_mem:
|
||||
for (i = 0; i < sd->hid_sensor_client_cnt; ++i) {
|
||||
kfree(sd->hid_sensor_hub_client_devs[i].name);
|
||||
kfree(sd->hid_sensor_hub_client_devs[i].platform_data);
|
||||
}
|
||||
kfree(sd->hid_sensor_hub_client_devs);
|
||||
err_stop_hw:
|
||||
hid_hw_stop(hdev);
|
||||
|
|
@ -650,8 +686,10 @@ static void sensor_hub_remove(struct hid_device *hdev)
|
|||
complete(&data->pending.ready);
|
||||
spin_unlock_irqrestore(&data->lock, flags);
|
||||
mfd_remove_devices(&hdev->dev);
|
||||
for (i = 0; i < data->hid_sensor_client_cnt ; ++i)
|
||||
for (i = 0; i < data->hid_sensor_client_cnt; ++i) {
|
||||
kfree(data->hid_sensor_hub_client_devs[i].name);
|
||||
kfree(data->hid_sensor_hub_client_devs[i].platform_data);
|
||||
}
|
||||
kfree(data->hid_sensor_hub_client_devs);
|
||||
hid_set_drvdata(hdev, NULL);
|
||||
mutex_destroy(&data->mutex);
|
||||
|
|
|
|||
|
|
@ -38,29 +38,40 @@ static int hid_sensor_data_rdy_trigger_set_state(struct iio_trigger *trig,
|
|||
if (state) {
|
||||
if (sensor_hub_device_open(st->hsdev))
|
||||
return -EIO;
|
||||
state_val =
|
||||
HID_USAGE_SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM;
|
||||
report_val =
|
||||
HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM;
|
||||
|
||||
state_val = hid_sensor_get_usage_index(st->hsdev,
|
||||
st->power_state.report_id,
|
||||
st->power_state.index,
|
||||
HID_USAGE_SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM);
|
||||
report_val = hid_sensor_get_usage_index(st->hsdev,
|
||||
st->report_state.report_id,
|
||||
st->report_state.index,
|
||||
HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM);
|
||||
} else {
|
||||
sensor_hub_device_close(st->hsdev);
|
||||
state_val =
|
||||
HID_USAGE_SENSOR_PROP_POWER_STATE_D4_POWER_OFF_ENUM;
|
||||
report_val =
|
||||
HID_USAGE_SENSOR_PROP_REPORTING_STATE_NO_EVENTS_ENUM;
|
||||
state_val = hid_sensor_get_usage_index(st->hsdev,
|
||||
st->power_state.report_id,
|
||||
st->power_state.index,
|
||||
HID_USAGE_SENSOR_PROP_POWER_STATE_D4_POWER_OFF_ENUM);
|
||||
report_val = hid_sensor_get_usage_index(st->hsdev,
|
||||
st->report_state.report_id,
|
||||
st->report_state.index,
|
||||
HID_USAGE_SENSOR_PROP_REPORTING_STATE_NO_EVENTS_ENUM);
|
||||
}
|
||||
|
||||
st->data_ready = state;
|
||||
state_val += st->power_state.logical_minimum;
|
||||
report_val += st->report_state.logical_minimum;
|
||||
sensor_hub_set_feature(st->hsdev, st->power_state.report_id,
|
||||
|
||||
if (state_val >= 0) {
|
||||
state_val += st->power_state.logical_minimum;
|
||||
sensor_hub_set_feature(st->hsdev, st->power_state.report_id,
|
||||
st->power_state.index,
|
||||
(s32)state_val);
|
||||
}
|
||||
|
||||
sensor_hub_set_feature(st->hsdev, st->report_state.report_id,
|
||||
if (report_val >= 0) {
|
||||
report_val += st->report_state.logical_minimum;
|
||||
sensor_hub_set_feature(st->hsdev, st->report_state.report_id,
|
||||
st->report_state.index,
|
||||
(s32)report_val);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -51,13 +51,15 @@ struct hid_sensor_hub_attribute_info {
|
|||
* @hdev: Stores the hid instance.
|
||||
* @vendor_id: Vendor id of hub device.
|
||||
* @product_id: Product id of hub device.
|
||||
* @ref_cnt: Number of MFD clients have opened this device
|
||||
* @start_collection_index: Starting index for a phy type collection
|
||||
* @end_collection_index: Last index for a phy type collection
|
||||
*/
|
||||
struct hid_sensor_hub_device {
|
||||
struct hid_device *hdev;
|
||||
u32 vendor_id;
|
||||
u32 product_id;
|
||||
int ref_cnt;
|
||||
int start_collection_index;
|
||||
int end_collection_index;
|
||||
};
|
||||
|
||||
/**
|
||||
|
|
@ -218,4 +220,7 @@ int hid_sensor_write_samp_freq_value(struct hid_sensor_common *st,
|
|||
int hid_sensor_read_samp_freq_value(struct hid_sensor_common *st,
|
||||
int *val1, int *val2);
|
||||
|
||||
int hid_sensor_get_usage_index(struct hid_sensor_hub_device *hsdev,
|
||||
u32 report_id, int field_index, u32 usage_id);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -130,15 +130,15 @@
|
|||
#define HID_USAGE_SENSOR_DATA_MOD_CHANGE_SENSITIVITY_ABS 0x1000
|
||||
|
||||
/* Power state enumerations */
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_UNDEFINED_ENUM 0x00
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM 0x01
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D1_LOW_POWER_ENUM 0x02
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D2_STANDBY_WITH_WAKE_ENUM 0x03
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D3_SLEEP_WITH_WAKE_ENUM 0x04
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D4_POWER_OFF_ENUM 0x05
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_UNDEFINED_ENUM 0x200850
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D0_FULL_POWER_ENUM 0x200851
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D1_LOW_POWER_ENUM 0x200852
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D2_STANDBY_WITH_WAKE_ENUM 0x200853
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D3_SLEEP_WITH_WAKE_ENUM 0x200854
|
||||
#define HID_USAGE_SENSOR_PROP_POWER_STATE_D4_POWER_OFF_ENUM 0x200855
|
||||
|
||||
/* Report State enumerations */
|
||||
#define HID_USAGE_SENSOR_PROP_REPORTING_STATE_NO_EVENTS_ENUM 0x00
|
||||
#define HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM 0x01
|
||||
#define HID_USAGE_SENSOR_PROP_REPORTING_STATE_NO_EVENTS_ENUM 0x200840
|
||||
#define HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM 0x200841
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Reference in a new issue