V4L/DVB (6839): tuner: add set_config to struct analog_tuner_ops

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

2 files changed, 17 insertions, 0 deletions

diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c
index 355f9810facf..9134b997ef23 100644
--- a/drivers/media/video/tuner-core.c
+++ b/drivers/media/video/tuner-core.c
@@ -154,6 +154,19 @@ static int fe_has_signal(struct dvb_frontend *fe)
         return strength;
 }
 
+static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg)
+{
+        struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops;
+        struct tuner *t = fe->analog_demod_priv;
+
+        if (fe_tuner_ops->set_config)
+                return fe_tuner_ops->set_config(fe, priv_cfg);
+
+        tuner_warn("Tuner frontend module has no way to set config\n");
+
+        return 0;
+}
+
 static void tuner_status(struct dvb_frontend *fe);
 
 static struct analog_tuner_ops tuner_core_ops = {
@@ -161,6 +174,7 @@ static struct analog_tuner_ops tuner_core_ops = {
         .standby        = fe_standby,
         .release        = fe_release,
         .has_signal     = fe_has_signal,
+        .set_config     = fe_set_config,
         .tuner_status   = tuner_status
 };
 
diff --git a/drivers/media/video/tuner-driver.h b/drivers/media/video/tuner-driver.h
index 65ced435018a..7f43dc68ab2e 100644
--- a/drivers/media/video/tuner-driver.h
+++ b/drivers/media/video/tuner-driver.h
@@ -45,6 +45,9 @@ struct analog_tuner_ops {
         void (*standby)(struct dvb_frontend *fe);
         void (*release)(struct dvb_frontend *fe);
         int  (*i2c_gate_ctrl)(struct dvb_frontend *fe, int enable);
+
+        /** This is to allow setting tuner-specific configuration */
+        int (*set_config)(struct dvb_frontend *fe, void *priv_cfg);
 };
 
 struct tuner {