Let $X\subset \mathbb{P}^n$ be a smooth projective variety with ideal sheaf $I_X$. The conormal sequence is given by

$$
0\to I_X/I_X^2\to \Omega_{\mathbb{P}^n}|_X\to \Omega_{X}\to 0.
$$
For which varieties $X$ is the sequence above split? 

If I'm not mistaken, if $X$ a hypersurface, the sequence is split if and only if $X$ has degree 1.