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media: dvb: use signal types to discover pads 

On tuner pads, multiple signals are present. Be sure to get
the right PAD by using them.

Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2018-07-31 12:43:39 -04:00
parent caf276be3a
commit f3efe15a2f
1 changed files with 14 additions and 5 deletions
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19
drivers/media/dvb-core/dvbdev.c
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@ -621,7 +621,7 @@ int dvb_create_media_graph(struct dvb_adapter *adap,
unsigned demux_pad = 0;
unsigned dvr_pad = 0;
unsigned ntuner = 0, ndemod = 0;
int ret;
int ret, pad_source, pad_sink;
static const char *connector_name = "Television";
if (!mdev)
@ -681,7 +681,7 @@ int dvb_create_media_graph(struct dvb_adapter *adap,
if (ret)
return ret;
if (!ntuner)
if (!ntuner) {
ret = media_create_pad_links(mdev,
MEDIA_ENT_F_CONN_RF,
conn, 0,
@ -689,22 +689,31 @@ int dvb_create_media_graph(struct dvb_adapter *adap,
demod, 0,
MEDIA_LNK_FL_ENABLED,
false);
else
} else {
pad_sink = media_get_pad_index(tuner, true,
PAD_SIGNAL_ANALOG);
if (pad_sink < 0)
return -EINVAL;
ret = media_create_pad_links(mdev,
MEDIA_ENT_F_CONN_RF,
conn, 0,
MEDIA_ENT_F_TUNER,
tuner, TUNER_PAD_RF_INPUT,
tuner, pad_sink,
MEDIA_LNK_FL_ENABLED,
false);
}
if (ret)
return ret;
}
if (ntuner && ndemod) {
pad_source = media_get_pad_index(tuner, true,
PAD_SIGNAL_ANALOG);
if (pad_source)
return -EINVAL;
ret = media_create_pad_links(mdev,
MEDIA_ENT_F_TUNER,
tuner, TUNER_PAD_OUTPUT,
tuner, pad_source,
MEDIA_ENT_F_DTV_DEMOD,
demod, 0, MEDIA_LNK_FL_ENABLED,
false);