tc358746_read
err = tc358746_read(tc358746, reg->reg, &val);
err = tc358746_read(tc358746, MCLKCTL_REG, &val);
err = tc358746_read(tc358746, CLKCTL_REG, &val);
err = tc358746_read(tc358746, CHIPID_REG, &val);
err = tc358746_read(tc358746, reg, &orig);
err = tc358746_read(tc358746, PLLCTL1_REG, &val);