static int host_i2c_xfer(struct dibDataBusClient *client, struct dibDataBusAccess *msg)
{
struct i2c_state *st = NULL;
//DBG("TSTV:DIBCOM8076: client is %p\n", client);
st = client->host->priv;
msg->address = data_bus_access_device_id(client, msg);
#ifdef DEBUG_DATA
dbgp("i2c_%s: (addr: %02x): ",msg->rx == NULL ? "wr" : "rd",data_bus_access_device_id(client, msg) >> 1);
dbg_bufdump(msg->tx,msg->txlen);
if (msg->rx != NULL && msg->rxlen != 0) {
dbgp(" - ");
dbg_bufdump(msg->rx,msg->rxlen);
}
dbgp("\n");
#endif
if (msg->rx == NULL || msg->rxlen == 0) {
// implement here the write function and return DIB_RETURN_SUCCESS in case of success
// return DIB_RETURN_SUCCESS
return I2C_backend_Write(st, msg->address, msg->tx, msg->txlen);
//return DIB_RETURN_ERROR;
}
else {
// implement here the read function and return DIB_RETURN_SUCCESS in case of success
// return DIB_RETURN_SUCCESS
//return DIB_RETURN_ERROR;
return I2C_backend_WriteRead(st, msg->address, msg->tx, msg->txlen, msg->rx, msg->rxlen);
}
}
static int host_i2c_xfer(struct dibDataBusClient *client, struct dibDataBusAccess *msg)
{
struct i2c_state *st = client->host->priv;
int ret = 0;
msg->address = data_bus_access_device_id(client, msg);
//printk("dibcom_i2c_master_xfer is called msg->address = 0x%x\n", msg->address);
if (msg->rx == NULL || msg->rxlen == 0) {
// implement here the write function and return DIB_RETURN_SUCCESS in case of success
// return DIB_RETURN_SUCCESS
ret = I2C_backend_Write(st, msg->address, (unsigned char *)msg->tx, msg->txlen);
}
else {
// implement here the read function and return DIB_RETURN_SUCCESS in case of success
// return DIB_RETURN_SUCCESS
ret = I2C_backend_WriteRead(st, msg->address, (unsigned char *)msg->tx, msg->txlen, msg->rx, msg->rxlen);
}
return ret;
}