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...
Cc: Hans-Frieder Vogt <hfv...@gmx.net>
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
drivers/media/tuners/fc0012.c | 7 +++++++
drivers/media/tuners/fc0012.h | 5 +++++
2 files changed, 12 insertions(+)
diff --git a/drivers/media/tuners/fc0012.c b/drivers/media/tuners/fc0012.c
index 636f951..1a52b76 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 891d66d..83a98e7 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) || \
--
1.7.11.7
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