int __init lnb_init(void) { int res, err; const char *name; struct i2c_board_info info; err = lnb_detect(NULL, -1, &info); name = info.type; if (err) { dprintk(1, "Unknown LNB type\n"); return err; } if (devType == LNB_PIO) { res = lnb_pio_init(); if (res) { dprintk(1, "Init LNB PIO failed\n"); return res; } } else { res = i2c_add_driver(&lnb_i2c_driver); if (res) { dprintk(1, "Adding i2c driver failed\n"); return res; } } if (!lnb_client) { dprintk(1, "No client found\n"); i2c_del_driver(&lnb_i2c_driver); return -EIO; } if (register_chrdev(LNB_MAJOR, "LNB", &lnb_fops) < 0) { dprintk(1, "Unable to register device\n"); if (devType == LNB_PIO) { lnb_pio_exit(); } else { i2c_del_driver(&lnb_i2c_driver); } return -EIO; } dprintk(1,"module lnb loaded, type: %s\n", name); return 0; }
int __init lnb_init(void) { int res, err; const char *name; #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30) err = lnb_detect(NULL, -1, &name); #else struct i2c_board_info info; err = lnb_detect(NULL, -1, &info); name = info.type; #endif if (err) { printk("[LNB]: Error detecting lnb type!\n"); return err; } dprintk("[LNB] lnb power control handling, type: %s\n", name); if(devType == LNB_PIO) { if ((res = lnb_pio_init())) { dprintk("[LNB] init lnb pio failed\n"); return res; } } else { if ((res = i2c_add_driver(&lnb_i2c_driver))) { dprintk("[LNB] i2c add driver failed\n"); return res; } if (!lnb_client) { printk(KERN_ERR "[LNB] no client found\n"); i2c_del_driver(&lnb_i2c_driver); return -EIO; } } if (register_chrdev(LNB_MAJOR,"LNB",&lnb_fops)<0) { printk(KERN_ERR "[LNB] unable to register device\n"); if(devType == LNB_PIO) lnb_pio_exit(); else i2c_del_driver(&lnb_i2c_driver); return -EIO; } return 0; }