[media] fc0012: remove unused callback and correct one comment

There is no need to keep dummy sleep() callback implementation as
DVB-core checks existence of it before calls callback. Due to that
we can remove it.
FC0012 is based of direct-conversion receiver architecture
(aka Zero-IF) where is no IF used. Due to that IF is always 0 Hz.
Fix comment to point that.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Acked-by: Hans-Frieder Vogt <hfvogt@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 9 deletions

diff --git a/drivers/media/tuners/fc0012.c b/drivers/media/tuners/fc0012.c
index 4491f063e211..f4d0e797a6cc 100644
--- a/drivers/media/tuners/fc0012.c
+++ b/drivers/media/tuners/fc0012.c
@@ -129,12 +129,6 @@ static int fc0012_init(struct dvb_frontend *fe)
         return ret;
 }
 
-static int fc0012_sleep(struct dvb_frontend *fe)
-{
-        /* nothing to do here */
-        return 0;
-}
-
 static int fc0012_set_params(struct dvb_frontend *fe)
 {
         struct fc0012_priv *priv = fe->tuner_priv;
@@ -343,8 +337,7 @@ static int fc0012_get_frequency(struct dvb_frontend *fe, u32 *frequency)
 
 static int fc0012_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
 {
-        /* CHECK: always ? */
-        *frequency = 0;
+        *frequency = 0; /* Zero-IF */
         return 0;
 }
 
@@ -437,7 +430,6 @@ static const struct dvb_tuner_ops fc0012_tuner_ops = {
         .release        = fc0012_release,
 
         .init           = fc0012_init,
-        .sleep          = fc0012_sleep,
 
         .set_params     = fc0012_set_params,