C++ (Cpp) hid_output_report Examples

Example #1

File: hid-logitech-dj.c Project: BitOBSessiOn/android_kernel_asus_P01M

static int logi_dj_ll_input_event(struct input_dev *dev, unsigned int type,
				  unsigned int code, int value)
{
	/* Sent by the input layer to handle leds and Force Feedback */
	struct hid_device *dj_hiddev = input_get_drvdata(dev);
	struct dj_device *dj_dev = dj_hiddev->driver_data;

	struct dj_receiver_dev *djrcv_dev =
	    dev_get_drvdata(dj_hiddev->dev.parent);
	struct hid_device *dj_rcv_hiddev = djrcv_dev->hdev;
	struct hid_report_enum *output_report_enum;

	struct hid_field *field;
	struct hid_report *report;
	unsigned char *data;
	int offset;

	dbg_hid("%s: %s, type:%d | code:%d | value:%d\n",
		__func__, dev->phys, type, code, value);

	if (type != EV_LED)
		return -1;

	offset = hidinput_find_field(dj_hiddev, type, code, &field);

	if (offset == -1) {
		dev_warn(&dev->dev, "event field not found\n");
		return -1;
	}
	hid_set_field(field, offset, value);

	data = hid_alloc_report_buf(field->report, GFP_KERNEL);
	if (!data) {
		dev_warn(&dev->dev, "failed to allocate report buf memory\n");
		return -1;
	}

	hid_output_report(field->report, &data[0]);

	output_report_enum = &dj_rcv_hiddev->report_enum[HID_OUTPUT_REPORT];
	report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT];
	hid_set_field(report->field[0], 0, dj_dev->device_index);
	hid_set_field(report->field[0], 1, REPORT_TYPE_LEDS);
	hid_set_field(report->field[0], 2, data[1]);

	hid_hw_request(dj_rcv_hiddev, report, HID_REQ_SET_REPORT);

	kfree(data);

	return 0;
}

Example #2

File: uhid.c Project: PlatinumMaster/android_kernel_samsung_cprimeltemtr

static int uhid_hid_input(struct input_dev *input, unsigned int type,
			  unsigned int code, int value)
{
	struct hid_device *hid = input_get_drvdata(input);
	struct uhid_device *uhid = hid->driver_data;
	unsigned long flags;
	struct uhid_event *ev;
	struct hid_field *field;
	struct hid_report *report;
	int offset;

	ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
	if (!ev)
		return -ENOMEM;

	switch (type) {
	case EV_LED:
		offset = hidinput_find_field(hid, type, code, &field);
		if (offset == -1) {
			hid_warn(input, "event field not found\n");
			kfree(ev);
			return -1;
		}

		hid_set_field(field, offset, value);

		report = field->report;

		ev->type = UHID_OUTPUT;
		ev->u.output.rtype = UHID_OUTPUT_REPORT;
		hid_output_report(report, ev->u.output.data);
		ev->u.output.size = ((report->size - 1) >> 3) + 1 +
							(report->id > 0);
		break;

	default:
	ev->type = UHID_OUTPUT_EV;
	ev->u.output_ev.type = type;
	ev->u.output_ev.code = code;
	ev->u.output_ev.value = value;
	}

	spin_lock_irqsave(&uhid->qlock, flags);
	uhid_queue(uhid, ev);
	spin_unlock_irqrestore(&uhid->qlock, flags);

	return 0;
}

Example #3

File: hid-logitech-dj.c Project: mjduddin/B14CKB1RD_kernel_m8

static int logi_dj_ll_input_event(struct input_dev *dev, unsigned int type,
				  unsigned int code, int value)
{
	
	struct hid_device *dj_hiddev = input_get_drvdata(dev);
	struct dj_device *dj_dev = dj_hiddev->driver_data;

	struct dj_receiver_dev *djrcv_dev =
	    dev_get_drvdata(dj_hiddev->dev.parent);
	struct hid_device *dj_rcv_hiddev = djrcv_dev->hdev;
	struct hid_report_enum *output_report_enum;

	struct hid_field *field;
	struct hid_report *report;
	unsigned char data[8];
	int offset;

	dbg_hid("%s: %s, type:%d | code:%d | value:%d\n",
		__func__, dev->phys, type, code, value);

	if (type != EV_LED)
		return -1;

	offset = hidinput_find_field(dj_hiddev, type, code, &field);

	if (offset == -1) {
		dev_warn(&dev->dev, "event field not found\n");
		return -1;
	}
	hid_set_field(field, offset, value);
	hid_output_report(field->report, &data[0]);

	output_report_enum = &dj_rcv_hiddev->report_enum[HID_OUTPUT_REPORT];
	report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT];
	hid_set_field(report->field[0], 0, dj_dev->device_index);
	hid_set_field(report->field[0], 1, REPORT_TYPE_LEDS);
	hid_set_field(report->field[0], 2, data[1]);

	usbhid_submit_report(dj_rcv_hiddev, report, USB_DIR_OUT);

	return 0;

}