diff options
| author | Matthias Schwarzott <zzam@gentoo.org> | 2014-07-15 16:34:36 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-07-21 21:29:06 -0300 |
| commit | 05024efe1264c3379135d7223f2c84c8f7ef2172 (patch) | |
| tree | 95fe2803893dc2970f7c9f0efb9cac52de153f0c /drivers/media | |
| parent | c3b513bd695542dcf6d2da49bdd78ef111db24cc (diff) | |
| download | lwn-05024efe1264c3379135d7223f2c84c8f7ef2172.tar.gz lwn-05024efe1264c3379135d7223f2c84c8f7ef2172.zip | |
[media] si2157: Add support for spectral inversion
This is needed for PCTV 522e support.
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/tuners/si2157.c | 3 | ||||
| -rw-r--r-- | drivers/media/tuners/si2157.h | 5 | ||||
| -rw-r--r-- | drivers/media/tuners/si2157_priv.h | 1 |
3 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 4730f69cac01..f6199832b4cc 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 4465c46baf0e..6da4d5d1c817 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 db79f3c40e4c..3ddab5e6b500 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 */ |