Hi all, I am trying to backport Michael's patch to add PROBE and REMOVE ioctls to 2.6.21 http://article.gmane.org/gmane.linux.drivers.i2c/3339/match=ioctls+probe I have been able to add the IOCTLS and re-compile the kernel module, but am confused as to what function to call in the old device model. I believe that I should use i2c_attach_client() from i2c-core.c. Is this correct? This is what I have so far: I2c-dev.c: static int i2cdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { char *colon, request[I2C_NAME_SIZE + 5]; char probeTemp[I2C_NAME_SIZE]; int addr; ... case I2C_PROBE: res = copy_from_user(request, (char *)arg, sizeof(request)); if (res) return res; colon = strchr(request, ','); if((!colon) || (colon - request > I2C_NAME_SIZE - 1)) return -EINVAL; memset (probeTemp,0,sizeof(probeTemp)); // set the whole buffer to 0 so that when the string is added it is automatically null terminated. strncpy(probeTemp, request, colon - request); addr = simple_strtoul(colon + 1, NULL, 0); printk (KERN_ERR "got %s and %d\n",probeTemp,addr); printk (KERN_ERR "client info name: %s\n", client->name); printk (KERN_ERR "client's adapter's name: %s\n", client->adapter->name); // this is what probe wants /* Check for address business */ if (i2c_check_addr(client->adapter, client->addr)) return -EBUSY; ??? What call to put here to probe the actual chip ??? return 0; Thanks! Chuck -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
