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[media] fc0012: enable clock output on attach() 

We need feed clock to slave demodulator at the very beginning
in case of dual tuner configuration.
I am not sure if that configuration changes clock output divider
or enable clock output itself...

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 11:46:40 -03:00 committed by Mauro Carvalho Chehab
parent 71b1e82794
commit 3b0d51afa0
2 changed files with 12 additions and 0 deletions
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7
drivers/media/tuners/fc0012.c
View File

@ -460,6 +460,13 @@ struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
if (priv->cfg->loop_through)
fc0012_writereg(priv, 0x09, 0x6f);
/*
* TODO: Clock out en or div?
* For dual tuner configuration clearing bit [0] is required.
*/
if (priv->cfg->clock_out)
fc0012_writereg(priv, 0x0b, 0x82);
memcpy(&fe->ops.tuner_ops, &fc0012_tuner_ops,
sizeof(struct dvb_tuner_ops));

5
drivers/media/tuners/fc0012.h
View File

@ -41,6 +41,11 @@ struct fc0012_config {
* RF loop-through
*/
bool loop_through;
/*
* clock output
*/
bool clock_out;
};
#if defined(CONFIG_MEDIA_TUNER_FC0012) || \