[media] r820t: add support for diplexer
This is part of the original driver, and adding it doesn't hurt,
so add it, to better sync the code.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c
index bb154449..5be4635 100644
--- a/drivers/media/tuners/r820t.c
+++ b/drivers/media/tuners/r820t.c
@@ -101,6 +101,7 @@
};
#define VCO_POWER_REF 0x02
+#define DIP_FREQ 32000000
/*
* Static constants
@@ -751,6 +752,17 @@
break;
}
+ if (priv->cfg->use_diplexer &&
+ ((priv->cfg->rafael_chip == CHIP_R820T) ||
+ (priv->cfg->rafael_chip == CHIP_R828S) ||
+ (priv->cfg->rafael_chip == CHIP_R820C))) {
+ if (freq > DIP_FREQ)
+ air_cable1_in = 0x00;
+ else
+ air_cable1_in = 0x60;
+ cable2_in = 0x00;
+ }
+
rc = r820t_write_reg_mask(priv, 0x1d, lna_top, 0xc7);
if (rc < 0)
return rc;