vf_i2c_dbg
vf_i2c_dbg(_sc, "READ1 REG 0x%02X RETURNS 0x%02X\n",_reg,ret);\
vf_i2c_dbg(sc, "i2c attach common\n");
vf_i2c_dbg(sc, "i2c detach\n");
vf_i2c_dbg(sc, "Writing 0x00 to clock divider register\n");
vf_i2c_dbg(sc, "i2c wait for transfer complete + interrupt flag\n");
vf_i2c_dbg(sc, "i2c get ACK bit from last write\n");
vf_i2c_dbg(sc, "i2c repeated start\n");
vf_i2c_dbg(sc, "cant i2c repeat start: bus is no longer busy\n");
vf_i2c_dbg(sc, "cant i2c repeat start: missing ACK after slave address\n");
vf_i2c_dbg(sc, "i2c start\n");
vf_i2c_dbg(sc, "cant i2c start: %i\n", error);
vf_i2c_dbg(sc, "cant i2c start: iif error\n");
vf_i2c_dbg(sc, "cant i2c start: missing ACK after slave address\n");
vf_i2c_dbg(sc, "i2c stop\n");
vf_i2c_dbg(sc, "Writing 0x%02X to clock divider register\n", div_reg);
vf_i2c_dbg(sc, "i2c reset\n");
vf_i2c_dbg(sc, "i2c read\n");
vf_i2c_dbg(sc, "i2c write\n");
vf_i2c_dbg(sc, "no ACK on %d write\n", *sent);
vf_i2c_dbg(_sc, "WRITE1 REG 0x%02X VAL 0x%02X\n",_reg,_val);\