/**
* registers client associated with the node
*
* @param inode Inode concerned.
* @param file File concerned.
*
* @return 0 on success, <0 on error.
*/
static int smschar_open(struct inode *inode, struct file *file)
{
struct smschar_device_t *dev = container_of(inode->i_cdev,
struct smschar_device_t,
cdev);
int rc = -ENODEV;
sms_info("entering, device index = %d", dev->device_index);
if (dev->coredev) {
struct smsclient_params_t params;
if(g_open_first==0 && dev->device_index==0)
{
smsspi_poweron();
g_open_first = 1;
sms_info("Opened first time");
}
else if(dev->device_index!=0)
g_open_first=0;
params.initial_id = dev->device_index ?
dev->device_index : SMS_HOST_LIB;
params.data_type = dev->device_index ? MSG_SMS_DAB_CHANNEL : 0;
params.onresponse_handler = smschar_onresponse;
params.onremove_handler = smschar_onremove;
params.context = dev;
rc = smscore_register_client(dev->coredev, ¶ms,
&dev->smsclient);
if (!rc)
file->private_data = dev;
dev->cancel_waitq = 0;
g_pnp_status_changed = 1;
g_open_count++;
}
if (rc)
sms_err("exiting, rc = %d", rc);
return rc;
}
void sms_redownload_firmware_reset(void) // add by jiabf
{
smsspibus_ssp_suspend(spi_dev->phy_dev);
smsspi_poweron();
}