Exemplos de ctrl_bridge_write em C++ (Cpp)

Exemplo n.º 1

int ctrl_bridge_set_cbits(unsigned int id, unsigned int cbits)
{
	struct ctrl_bridge	*dev;
	struct bridge		*brdg;
	int			retval;

	if (id >= MAX_BRIDGE_DEVICES)
		return -EINVAL;

	dev = __dev[id];
	if (!dev)
		return -ENODEV;

	pr_debug("%s: dev[id] =%u cbits : %u\n", __func__, id, cbits);

	brdg = dev->brdg;
	if (!brdg)
		return -ENODEV;

	dev->cbits_tomdm = cbits;

	retval = ctrl_bridge_write(id, NULL, 0);

	/* if DTR is high, update latest modem info to host */
	if (brdg && (cbits & ACM_CTRL_DTR) && brdg->ops.send_cbits)
		brdg->ops.send_cbits(brdg->ctx, dev->cbits_tohost);

	return retval;
}

Exemplo n.º 2

Arquivo: u_ctrl_hsic.c Projeto: AD5GB/wicked_kernel_lge_hammerhead

static int
ghsic_send_cpkt_tomodem(u8 portno, void *buf, size_t len)
{
	void			*cbuf;
	struct gctrl_port	*port;

	if (portno >= no_ctrl_ports) {
		pr_err("%s: Invalid portno#%d\n", __func__, portno);
		return -ENODEV;
	}

	port = gctrl_ports[portno].port;
	if (!port) {
		pr_err("%s: port is null\n", __func__);
		return -ENODEV;
	}

	if (!len) {
		pr_debug("%s: dropping 0 len command\n", __func__);
		return 0;
	}

	cbuf = kmalloc(len, GFP_ATOMIC);
	if (!cbuf)
		return -ENOMEM;

	memcpy(cbuf, buf, len);

	/* drop cpkt if ch is not open */
	if (!test_bit(CH_OPENED, &port->bridge_sts)) {
		port->drp_cpkt_cnt++;
		kfree(cbuf);
		return 0;
	}

	pr_debug("%s: ctrl_pkt:%d bytes\n", __func__, len);

	ctrl_bridge_write(port->brdg.ch_id, cbuf, len);

	port->to_modem++;

	return 0;
}