V4L/DVB (7996): si470x: afc indication
V4L/DVB (7996): si470x: afc indication

This patch brings the following changes:
- afc indication:
  device has no indication whether freq is too low or too high
  therefore afc always return 1, when freq is wrong

Signed-off-by: Tobias Lorenz <7a856af69e3c02a6f9b70fd57eac5c40b7d73c0c@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@infradead.org>

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