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

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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>
This commit is contained in:
Antti Palosaari 2012-12-09 13:45:42 -03:00 committed by Mauro Carvalho Chehab
parent 4562620159
commit c5dc3b98ff
1 changed files with 1 additions and 9 deletions
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10
drivers/media/tuners/fc0012.c
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@ -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,