C++ (Cpp) mei_cl_register_event_cb示例

示例#1

文件： mei_phy.c 项目： AnadoluPanteri/kernel-plus-harmattan

int nfc_mei_phy_enable(void *phy_id)
{
	int r;
	struct nfc_mei_phy *phy = phy_id;

	pr_info("%s\n", __func__);

	if (phy->powered == 1)
		return 0;

	r = mei_cl_enable_device(phy->device);
	if (r < 0) {
		pr_err("Could not enable device\n");
		return r;
	}

	r = mei_cl_register_event_cb(phy->device, nfc_mei_event_cb, phy);
	if (r) {
		pr_err("Event cb registration failed\n");
		mei_cl_disable_device(phy->device);
		phy->powered = 0;

		return r;
	}

	phy->powered = 1;

	return 0;
}

示例#2

文件： mei.c 项目： gnychis/ath9k_htc-backports

static int pn544_mei_probe(struct mei_cl_device *device,
			       const struct mei_cl_device_id *id)
{
	struct nfc_mei_phy *phy;
	int r;

	pr_info("Probing NFC pn544\n");

	phy = nfc_mei_phy_alloc(device);
	if (!phy) {
		pr_err("Cannot allocate memory for pn544 mei phy.\n");
		return -ENOMEM;
	}

	r = mei_cl_register_event_cb(device, nfc_mei_event_cb, phy);
	if (r) {
		pr_err(PN544_DRIVER_NAME ": event cb registration failed\n");
		goto err_out;
	}

	r = pn544_hci_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
			    MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
			    &phy->hdev);
	if (r < 0)
		goto err_out;

	return 0;

err_out:
	nfc_mei_phy_free(phy);

	return r;
}

示例#3

文件： mei_phy.c 项目： Kirill2013/kasan

static int nfc_mei_phy_enable(void *phy_id)
{
	int r;
	struct nfc_mei_phy *phy = phy_id;

	pr_info("%s\n", __func__);

	if (phy->powered == 1)
		return 0;

	r = mei_cl_enable_device(phy->device);
	if (r < 0) {
		pr_err("Could not enable device %d\n", r);
		return r;
	}

	r = mei_nfc_if_version(phy);
	if (r < 0) {
		pr_err("Could not enable device %d\n", r);
		goto err;
	}

	r = mei_nfc_connect(phy);
	if (r < 0) {
		pr_err("Could not connect to device %d\n", r);
		goto err;
	}

	r = mei_cl_register_event_cb(phy->device, nfc_mei_event_cb, phy);
	if (r) {
		pr_err("Event cb registration failed %d\n", r);
		goto err;
	}

	phy->powered = 1;

	return 0;

err:
	phy->powered = 0;
	mei_cl_disable_device(phy->device);
	return r;
}

示例#4

文件： mei.c 项目： FadyAzar/linux-te-3.9

static int microread_mei_probe(struct mei_cl_device *device,
			       const struct mei_cl_device_id *id)
{
	struct microread_mei_phy *phy;
	int r;

	pr_info("Probing NFC microread\n");

	phy = kzalloc(sizeof(struct microread_mei_phy), GFP_KERNEL);
	if (!phy) {
		pr_err("Cannot allocate memory for microread mei phy.\n");
		return -ENOMEM;
	}

	phy->device = device;
	mei_cl_set_drvdata(device, phy);

	r = mei_cl_register_event_cb(device, microread_event_cb, phy);
	if (r) {
		pr_err(MICROREAD_DRIVER_NAME ": event cb registration failed\n");
		goto err_out;
	}

	r = microread_probe(phy, &mei_phy_ops, LLC_NOP_NAME,
			    MEI_NFC_HEADER_SIZE, 0, MEI_NFC_MAX_HCI_PAYLOAD,
			    &phy->hdev);
	if (r < 0)
		goto err_out;

	return 0;

err_out:
	kfree(phy);

	return r;
}