Signed-off-by: Johan Oudinet <johan.oudinet@gmail.com> [yann.morin.1998@free.fr: split the doc into its own patch] Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>