CX18_REG_I2C_1_WR
u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR;
u32 addr = bus_index ? CX18_REG_I2C_2_WR : CX18_REG_I2C_1_WR;
cx18_write_reg(cx, 0x00021c0f & ~4, CX18_REG_I2C_1_WR);
cx18_write_reg(cx, cx18_read_reg(cx, CX18_REG_I2C_1_WR) | 4,
CX18_REG_I2C_1_WR);