V4L/DVB (11063): au8522: power down the digital demod when not in use
V4L/DVB (11063): au8522: power down the digital demod when not in use

When the au8522 is idle, put the chip into a low power mode (reduces power
consumption from 450ma to 346ma)

Thanks to Michael Krufky <00524723a60798c74a43fcc620c25dd7b9ece078@linuxtv.org> and Steven Toth
<stoth@linuxtv.org> for providing sample hardware, engineering level support,
and testing.

Signed-off-by: Devin Heitmueller <039f3b3c9b432027eb8868e4a734444e1ca005b6@linuxtv.org>
Signed-off-by: Michael Krufky <00524723a60798c74a43fcc620c25dd7b9ece078@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

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