tda18271: add basic support for slave tuner configurations

From: Michael Krufky <mkrufky@linuxtv.org>

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/linux/drivers/media/dvb/frontends/tda18271.h b/linux/drivers/media/dvb/frontends/tda18271.h
index 44d41dce9..b547318c9 100644
--- a/linux/drivers/media/dvb/frontends/tda18271.h
+++ b/linux/drivers/media/dvb/frontends/tda18271.h
@@ -56,6 +56,11 @@ struct tda18271_std_map {
 	struct tda18271_std_map_item qam_8;
 };
 
+enum tda18271_role {
+	TDA18271_MASTER = 0,
+	TDA18271_SLAVE,
+};
+
 enum tda18271_i2c_gate {
 	TDA18271_GATE_AUTO = 0,
 	TDA18271_GATE_ANALOG,
@@ -66,6 +71,9 @@ struct tda18271_config {
 	/* override default if freq / std settings (optional) */
 	struct tda18271_std_map *std_map;
 
+	/* master / slave tuner: master uses main pll, slave uses cal pll */
+	enum tda18271_role role;
+
 	/* use i2c gate provided by analog or digital demod */
 	enum tda18271_i2c_gate gate;