/* init + register i2c algo-bit adapter */ int __devinit init_bttv_i2c(struct bttv *btv) { strlcpy(btv->i2c_client.name, "bttv internal", I2C_NAME_SIZE); if (i2c_hw) btv->use_i2c_hw = 1; if (btv->use_i2c_hw) { /* bt878 */ strlcpy(btv->c.i2c_adap.name, "bt878", sizeof(btv->c.i2c_adap.name)); btv->c.i2c_adap.algo = &bttv_algo; } else { /* bt848 */ /* Prevents usage of invalid delay values */ if (i2c_udelay<5) i2c_udelay=5; strlcpy(btv->c.i2c_adap.name, "bttv", sizeof(btv->c.i2c_adap.name)); memcpy(&btv->i2c_algo, &bttv_i2c_algo_bit_template, sizeof(bttv_i2c_algo_bit_template)); btv->i2c_algo.udelay = i2c_udelay; btv->i2c_algo.data = btv; btv->c.i2c_adap.algo_data = &btv->i2c_algo; } btv->c.i2c_adap.owner = THIS_MODULE; btv->c.i2c_adap.dev.parent = &btv->c.pci->dev; snprintf(btv->c.i2c_adap.name, sizeof(btv->c.i2c_adap.name), "bt%d #%d [%s]", btv->id, btv->c.nr, btv->use_i2c_hw ? "hw" : "sw"); i2c_set_adapdata(&btv->c.i2c_adap, &btv->c.v4l2_dev); btv->i2c_client.adapter = &btv->c.i2c_adap; if (btv->use_i2c_hw) { btv->i2c_rc = i2c_add_adapter(&btv->c.i2c_adap); } else { bttv_bit_setscl(btv,1); bttv_bit_setsda(btv,1); btv->i2c_rc = i2c_bit_add_bus(&btv->c.i2c_adap); } if (0 == btv->i2c_rc && i2c_scan) do_i2c_scan(btv->c.v4l2_dev.name, &btv->i2c_client); return btv->i2c_rc; }
/* init + register i2c algo-bit adapter */ int __devinit init_bttv_i2c(struct bttv *btv) { memcpy(&btv->i2c_adap, &bttv_i2c_adap_template, sizeof(struct i2c_adapter)); memcpy(&btv->i2c_algo, &bttv_i2c_algo_template, sizeof(struct i2c_algo_bit_data)); memcpy(&btv->i2c_client, &bttv_i2c_client_template, sizeof(struct i2c_client)); sprintf(btv->i2c_adap.name, "bt848 #%d", btv->nr); btv->i2c_algo.data = btv; i2c_set_adapdata(&btv->i2c_adap, btv); btv->i2c_adap.algo_data = &btv->i2c_algo; btv->i2c_client.adapter = &btv->i2c_adap; bttv_bit_setscl(btv,1); bttv_bit_setsda(btv,1); btv->i2c_rc = i2c_bit_add_bus(&btv->i2c_adap); return btv->i2c_rc; }