Current API only allows setting one offset in the field. This API
is extended to set multiple offsets in the field report.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
---
drivers/hid/hid-sensor-hub.c | 22 ++++++++++++++++++++--
include/linux/hid-sensor-hub.h | 5 +++--
2 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 0ad5813..8e77e93c 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -208,10 +208,14 @@ int sensor_hub_remove_callback(struct hid_sensor_hub_device *hsdev,
EXPORT_SYMBOL_GPL(sensor_hub_remove_callback);
int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
- u32 field_index, s32 value)
+ u32 field_index, int buffer_size, void *buffer)
{
struct hid_report *report;
struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev);
+ __s32 *buf32 = (__s32 *)buffer;
+ int i = 0;
+ int remaining_bytes;
+ __s32 value;
int ret = 0;
mutex_lock(&data->mutex);
@@ -220,7 +224,21 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
ret = -EINVAL;
goto done_proc;
}
- hid_set_field(report->field[field_index], 0, value);
+
+ remaining_bytes = do_div(buffer_size, sizeof(__s32));
+ if (buffer_size) {
+ for (i = 0; i < buffer_size; ++i) {
+ hid_set_field(report->field[field_index], i,
+ cpu_to_le32(*buf32));
+ ++buf32;
+ }
+ }
+ if (remaining_bytes) {
+ value = 0;
+ memcpy(&value, (u8 *)buf32, remaining_bytes);
+ hid_set_field(report->field[field_index], i,
+ cpu_to_le32(value));
+ }
hid_hw_request(hsdev->hdev, report, HID_REQ_SET_REPORT);
hid_hw_wait(hsdev->hdev);
diff --git a/include/linux/hid-sensor-hub.h b/include/linux/hid-sensor-hub.h
index dfdf6ef..e899c67 100644
--- a/include/linux/hid-sensor-hub.h
+++ b/include/linux/hid-sensor-hub.h
@@ -166,13 +166,14 @@ int sensor_hub_input_attr_get_raw_value(struct hid_sensor_hub_device *hsdev,
* @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.
*/
int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id,
- u32 field_index, s32 value);
+ u32 field_index, int buffer_size, void *buffer);
/**
* sensor_hub_get_feature() - Feature get request
--
1.9.1
--
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