From: Matthias Schwarzott <zzam@xxxxxxxxxx>
This is needed for PCTV 522e support.
Signed-off-by: Matthias Schwarzott <zzam@xxxxxxxxxx>
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
drivers/media/tuners/si2157.c | 3 +++
drivers/media/tuners/si2157.h | 5 +++++
drivers/media/tuners/si2157_priv.h | 1 +
3 files changed, 9 insertions(+)
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c
index 4730f69..f619983 100644
--- a/drivers/media/tuners/si2157.c
+++ b/drivers/media/tuners/si2157.c
@@ -253,6 +253,8 @@ static int si2157_set_params(struct dvb_frontend *fe)
memcpy(cmd.args, "\x14\x00\x03\x07\x00\x00", 6);
cmd.args[4] = delivery_system | bandwidth;
+ if (s->inversion)
+ cmd.args[5] = 0x01;
cmd.wlen = 6;
cmd.rlen = 1;
ret = si2157_cmd_execute(s, &cmd);
@@ -307,6 +309,7 @@ static int si2157_probe(struct i2c_client *client,
s->client = client;
s->fe = cfg->fe;
+ s->inversion = cfg->inversion;
mutex_init(&s->i2c_mutex);
/* check if the tuner is there */
diff --git a/drivers/media/tuners/si2157.h b/drivers/media/tuners/si2157.h
index 4465c46..6da4d5d 100644
--- a/drivers/media/tuners/si2157.h
+++ b/drivers/media/tuners/si2157.h
@@ -29,6 +29,11 @@ struct si2157_config {
* frontend
*/
struct dvb_frontend *fe;
+
+ /*
+ * Spectral Inversion
+ */
+ bool inversion;
};
#endif
diff --git a/drivers/media/tuners/si2157_priv.h b/drivers/media/tuners/si2157_priv.h
index db79f3c..3ddab5e 100644
--- a/drivers/media/tuners/si2157_priv.h
+++ b/drivers/media/tuners/si2157_priv.h
@@ -26,6 +26,7 @@ struct si2157 {
struct i2c_client *client;
struct dvb_frontend *fe;
bool active;
+ bool inversion;
};
/* firmare command struct */
--
1.9.3
--
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