V4L/DVB (6641): xc2028: correct tuner offset for 7MHz DTV

7MHz bandwidth DVB-T needs an adjusted offset at the PLL to ensure the IF
output is correctly centered.

Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/media/video/tuner-xc2028.c b/drivers/media/video/tuner-xc2028.c
index adef80e627b8..c921d6009a8b 100644
--- a/drivers/media/video/tuner-xc2028.c
+++ b/drivers/media/video/tuner-xc2028.c
@@ -764,8 +764,11 @@ static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */ ,
         if (check_firmware(fe, new_mode, std, bandwidth) < 0)
                 goto ret;
 
-        if (new_mode == T_DIGITAL_TV)
+        if (new_mode == T_DIGITAL_TV) {
                 offset = 2750000;
+                if (priv->bandwidth == BANDWIDTH_7_MHZ)
+                        offset -= 500000;
+        }
 
         div = (freq - offset + DIV / 2) / DIV;