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authorAntti Palosaari <crope@iki.fi>2012-12-09 11:46:40 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-06 09:06:31 -0200
commit3b0d51afa026b87784d81e6a88522271a69ca7b9 (patch)
treedde3c9a7fc58cc22b29da42da7eb7e0b7732c969 /drivers/media/tuners
parent71b1e82794bbae7b23409e013f7249dd2f382160 (diff)
[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>
Diffstat (limited to 'drivers/media/tuners')
-rw-r--r--drivers/media/tuners/fc0012.c7
-rw-r--r--drivers/media/tuners/fc0012.h5
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/media/tuners/fc0012.c b/drivers/media/tuners/fc0012.c
index 636f951219db..1a52b766360f 100644
--- a/drivers/media/tuners/fc0012.c
+++ b/drivers/media/tuners/fc0012.c
@@ -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));
diff --git a/drivers/media/tuners/fc0012.h b/drivers/media/tuners/fc0012.h
index 891d66d5af3b..83a98e732502 100644
--- a/drivers/media/tuners/fc0012.h
+++ b/drivers/media/tuners/fc0012.h
@@ -41,6 +41,11 @@ struct fc0012_config {
* RF loop-through
*/
bool loop_through;
+
+ /*
+ * clock output
+ */
+ bool clock_out;
};
#if defined(CONFIG_MEDIA_TUNER_FC0012) || \

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