V4L/DVB (13636): ir-core: add method to change IR protocol

	return sprintf(buf, "%s\n", s);

}

static ssize_t store_protocol(struct device *d,

			      struct device_attribute *mattr,

			      const char *data,

			      size_t len)

{

	struct ir_input_dev *ir_dev = dev_get_drvdata(d);

	enum ir_type ir_type = IR_TYPE_UNKNOWN;

	int rc = -EINVAL;

	char *buf;

	buf = strsep((char **) &data, "\n");

	if (!strcasecmp(buf, "rc-5"))

		ir_type = IR_TYPE_RC5;

	else if (!strcasecmp(buf, "pd"))

		ir_type = IR_TYPE_PD;

	else if (!strcasecmp(buf, "nec"))

		ir_type = IR_TYPE_NEC;

	if (ir_type == IR_TYPE_UNKNOWN) {

		IR_dprintk(1, "Error setting protocol to %ld\n", ir_type);

		return -EINVAL;

	}

	if (ir_dev->props->change_protocol)

		rc = ir_dev->props->change_protocol(ir_dev->props->priv,

						    ir_type);

	if (rc < 0) {

		IR_dprintk(1, "Error setting protocol to %ld\n", ir_type);

		return -EINVAL;

	}

	ir_dev->rc_tab.ir_type = ir_type;

	IR_dprintk(1, "Current protocol is %ld\n", ir_type);

	return len;

}

static DEVICE_ATTR(current_protocol, S_IRUGO | S_IWUSR,

		   show_protocol, NULL);

		   show_protocol, store_protocol);

static struct attribute *ir_dev_attrs[] = {

	&dev_attr_current_protocol.attr,