[media] adv7175: support s_power
[media] adv7175: support s_power

This patch adds s_power support to adv7175 driver. Power-down is done
by power-down all four DACs.

Signed-off-by: Christian Gmeiner <7d98dcb0e8545320ffc03d45630c91ed21ec4c41@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas