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-rw-r--r--drivers/hid/hid-sensor-hub.c65
-rw-r--r--drivers/iio/accel/hid-sensor-accel-3d.c3
-rw-r--r--drivers/iio/gyro/hid-sensor-gyro-3d.c3
-rw-r--r--drivers/iio/light/hid-sensor-als.c3
-rw-r--r--drivers/iio/light/hid-sensor-prox.c3
-rw-r--r--drivers/iio/magnetometer/hid-sensor-magn-3d.c3
-rw-r--r--drivers/iio/orientation/hid-sensor-incl-3d.c3
-rw-r--r--drivers/iio/pressure/hid-sensor-press.c3
-rw-r--r--drivers/rtc/rtc-hid-sensor-time.c2
-rw-r--r--include/linux/hid-sensor-hub.h20
10 files changed, 64 insertions, 44 deletions
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index c325f85fa3a6..0a9162363164 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -250,48 +250,53 @@ EXPORT_SYMBOL_GPL(sensor_hub_get_feature);
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 attr_usage_id, u32 report_id,
+ enum sensor_hub_read_flags flag)
{
struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev);
unsigned long flags;
struct hid_report *report;
int ret_val = 0;
- mutex_lock(&hsdev->mutex);
- memset(&hsdev->pending, 0, sizeof(hsdev->pending));
- init_completion(&hsdev->pending.ready);
- hsdev->pending.usage_id = usage_id;
- hsdev->pending.attr_usage_id = attr_usage_id;
- hsdev->pending.raw_size = 0;
-
- spin_lock_irqsave(&data->lock, flags);
- hsdev->pending.status = true;
- spin_unlock_irqrestore(&data->lock, flags);
- report = sensor_hub_report(report_id, hsdev->hdev, HID_INPUT_REPORT);
+ report = sensor_hub_report(report_id, hsdev->hdev,
+ HID_INPUT_REPORT);
if (!report)
- goto err_free;
+ return -EINVAL;
+ mutex_lock(&hsdev->mutex);
+ if (flag == SENSOR_HUB_SYNC) {
+ memset(&hsdev->pending, 0, sizeof(hsdev->pending));
+ init_completion(&hsdev->pending.ready);
+ hsdev->pending.usage_id = usage_id;
+ hsdev->pending.attr_usage_id = attr_usage_id;
+ hsdev->pending.raw_size = 0;
+
+ spin_lock_irqsave(&data->lock, flags);
+ hsdev->pending.status = true;
+ spin_unlock_irqrestore(&data->lock, flags);
+ }
mutex_lock(&data->mutex);
hid_hw_request(hsdev->hdev, report, HID_REQ_GET_REPORT);
mutex_unlock(&data->mutex);
- wait_for_completion_interruptible_timeout(&hsdev->pending.ready, HZ*5);
- switch (hsdev->pending.raw_size) {
- case 1:
- ret_val = *(u8 *)hsdev->pending.raw_data;
- break;
- case 2:
- ret_val = *(u16 *)hsdev->pending.raw_data;
- break;
- case 4:
- ret_val = *(u32 *)hsdev->pending.raw_data;
- break;
- default:
- ret_val = 0;
+ if (flag == SENSOR_HUB_SYNC) {
+ wait_for_completion_interruptible_timeout(
+ &hsdev->pending.ready, HZ*5);
+ switch (hsdev->pending.raw_size) {
+ case 1:
+ ret_val = *(u8 *)hsdev->pending.raw_data;
+ break;
+ case 2:
+ ret_val = *(u16 *)hsdev->pending.raw_data;
+ break;
+ case 4:
+ ret_val = *(u32 *)hsdev->pending.raw_data;
+ break;
+ default:
+ ret_val = 0;
+ }
+ kfree(hsdev->pending.raw_data);
+ hsdev->pending.status = false;
}
- kfree(hsdev->pending.raw_data);
-
-err_free:
- hsdev->pending.status = false;
mutex_unlock(&hsdev->mutex);
return ret_val;
diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c
index d5d95317003a..0085c2faeaaa 100644
--- a/drivers/iio/accel/hid-sensor-accel-3d.c
+++ b/drivers/iio/accel/hid-sensor-accel-3d.c
@@ -130,7 +130,8 @@ static int accel_3d_read_raw(struct iio_dev *indio_dev,
*val = sensor_hub_input_attr_get_raw_value(
accel_state->common_attributes.hsdev,
HID_USAGE_SENSOR_ACCEL_3D, address,
- report_id);
+ report_id,
+ SENSOR_HUB_SYNC);
else {
*val = 0;
hid_sensor_power_state(&accel_state->common_attributes,
diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c
index a3ea1e8785d7..bdcd105aba26 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,
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index a5283d75c096..321862da626b 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -109,7 +109,8 @@ static int als_read_raw(struct iio_dev *indio_dev,
*val = sensor_hub_input_attr_get_raw_value(
als_state->common_attributes.hsdev,
HID_USAGE_SENSOR_ALS, address,
- report_id);
+ report_id,
+ SENSOR_HUB_SYNC);
hid_sensor_power_state(&als_state->common_attributes,
false);
} else {
diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c
index f5a514698fd8..db9c60e47276 100644
--- a/drivers/iio/light/hid-sensor-prox.c
+++ b/drivers/iio/light/hid-sensor-prox.c
@@ -105,7 +105,8 @@ static int prox_read_raw(struct iio_dev *indio_dev,
*val = sensor_hub_input_attr_get_raw_value(
prox_state->common_attributes.hsdev,
HID_USAGE_SENSOR_PROX, address,
- report_id);
+ report_id,
+ SENSOR_HUB_SYNC);
hid_sensor_power_state(&prox_state->common_attributes,
false);
} else {
diff --git a/drivers/iio/magnetometer/hid-sensor-magn-3d.c b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
index 6294575d2777..4d299f39ffd1 100644
--- a/drivers/iio/magnetometer/hid-sensor-magn-3d.c
+++ b/drivers/iio/magnetometer/hid-sensor-magn-3d.c
@@ -178,7 +178,8 @@ static int magn_3d_read_raw(struct iio_dev *indio_dev,
*val = sensor_hub_input_attr_get_raw_value(
magn_state->common_attributes.hsdev,
HID_USAGE_SENSOR_COMPASS_3D, address,
- report_id);
+ report_id,
+ SENSOR_HUB_SYNC);
else {
*val = 0;
hid_sensor_power_state(&magn_state->common_attributes,
diff --git a/drivers/iio/orientation/hid-sensor-incl-3d.c b/drivers/iio/orientation/hid-sensor-incl-3d.c
index 1ff181bbbcef..45bed080b4a6 100644
--- a/drivers/iio/orientation/hid-sensor-incl-3d.c
+++ b/drivers/iio/orientation/hid-sensor-incl-3d.c
@@ -132,7 +132,8 @@ static int incl_3d_read_raw(struct iio_dev *indio_dev,
*val = sensor_hub_input_attr_get_raw_value(
incl_state->common_attributes.hsdev,
HID_USAGE_SENSOR_INCLINOMETER_3D, address,
- report_id);
+ report_id,
+ SENSOR_HUB_SYNC);
else {
hid_sensor_power_state(&incl_state->common_attributes,
false);
diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c
index 764928682df2..ac150f0c8b02 100644
--- a/drivers/iio/pressure/hid-sensor-press.c
+++ b/drivers/iio/pressure/hid-sensor-press.c
@@ -108,7 +108,8 @@ static int press_read_raw(struct iio_dev *indio_dev,
*val = sensor_hub_input_attr_get_raw_value(
press_state->common_attributes.hsdev,
HID_USAGE_SENSOR_PRESSURE, address,
- report_id);
+ report_id,
+ SENSOR_HUB_SYNC);
hid_sensor_power_state(&press_state->common_attributes,
false);
} else {
diff --git a/drivers/rtc/rtc-hid-sensor-time.c b/drivers/rtc/rtc-hid-sensor-time.c
index ae7c2ba440cf..af4f85a66b39 100644
--- a/drivers/rtc/rtc-hid-sensor-time.c
+++ b/drivers/rtc/rtc-hid-sensor-time.c
@@ -213,7 +213,7 @@ static int hid_rtc_read_time(struct device *dev, struct rtc_time *tm)
/* get a report with all values through requesting one value */
sensor_hub_input_attr_get_raw_value(time_state->common_attributes.hsdev,
HID_USAGE_SENSOR_TIME, hid_time_addresses[0],
- time_state->info[0].report_id);
+ time_state->info[0].report_id, SENSOR_HUB_SYNC);
/* wait for all values (event) */
ret = wait_for_completion_killable_timeout(
&time_state->comp_last_time, HZ*6);
diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h
index 60a34277ddf2..4c49b041922d 100644
--- a/include/linux/hid-sensor-hub.h
+++ b/include/linux/hid-sensor-hub.h
@@ -169,19 +169,27 @@ int sensor_hub_input_get_attribute_info(struct hid_sensor_hub_device *hsdev,
struct hid_sensor_hub_attribute_info *info);
/**
-* sensor_hub_input_attr_get_raw_value() - Synchronous read request
+* sensor_hub_input_attr_get_raw_value() - Attribute read request
* @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
* @report_id: Report id to look for
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-26 12:51:57 +0000