V4L/DVB (7436): tda18271: add basic support for slave tuner configurations

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/tda18271.h b/drivers/media/dvb/frontends/tda18271.h
index 44d41dce9e10..b547318c951b 100644
--- a/drivers/media/dvb/frontends/tda18271.h
+++ b/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;