Trivial fix for this bogus compile warning:

v4l/dib8000.c:958: warning: 'ncoeff' may be used uninitialized in this function

Note: ncoeff is never used uninitialized, but the compiler couldn't
figure that out.
Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

dib7000p/dib8000: added pid filtering

dib8000: the SNR is in 10th of dB (not in dB)
dib7000p and dib8000: added the pid filtering. This feature is enabled by module option (dvb-usb module).
Signed-off-by: NOlivier Grenie <olivier.grenie@dibcom.fr>
Signed-off-by: NPatrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch is fixing the initialization of the channel search parameters.
Signed-off-by: NOlivier Grenie <olivier.grenie@dibcom.fr>
Signed-off-by: NPatrick Boettcher <pboettcher@dibcom.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This commit adds support for the DiB8000 ISDB-T demodulator made by DiBcom.
Signed-off-by: NOlivier Grenie <Olivier.Grenie@dibcom.fr>
Signed-off-by: NPatrick Boettcher <pboettcher@dibcom.fr>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>