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authorIstvan Varga <istvan_v@mailbox.hu>2011-06-03 12:17:59 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-07-27 17:52:34 -0300
commitf0ef7c88ca919912011593d2392a59c2fde04748 (patch)
tree5d0dabf200f30a3fef383f06845d28b59c2b1f3c /drivers/media/common
parent4911085fa3342d2ccb04f84c2987305b86785ebf (diff)
[media] xc4000: added support for 7 MHz DVB-T
The following patch implements support for DVB-T with 7 MHz bandwidth. Signed-off-by: Istvan Varga <istvan_v@mailbox.hu> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common')
-rw-r--r--drivers/media/common/tuners/xc4000.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c
index 65dd948bf6a6..307a8745e06e 100644
--- a/drivers/media/common/tuners/xc4000.c
+++ b/drivers/media/common/tuners/xc4000.c
@@ -1184,15 +1184,28 @@ static int xc4000_set_params(struct dvb_frontend *fe,
type = DTV6;
break;
case BANDWIDTH_7_MHZ:
- printk(KERN_ERR "xc4000 bandwidth 7MHz not supported\n");
+ priv->bandwidth = BANDWIDTH_7_MHZ;
+ priv->video_standard = XC4000_DTV7;
+ priv->freq_hz = params->frequency - 2250000;
type = DTV7;
- return -EINVAL;
+ break;
case BANDWIDTH_8_MHZ:
priv->bandwidth = BANDWIDTH_8_MHZ;
priv->video_standard = XC4000_DTV8;
priv->freq_hz = params->frequency - 2750000;
type = DTV8;
break;
+ case BANDWIDTH_AUTO:
+ if (params->frequency < 400000000) {
+ priv->bandwidth = BANDWIDTH_7_MHZ;
+ priv->freq_hz = params->frequency - 2250000;
+ } else {
+ priv->bandwidth = BANDWIDTH_8_MHZ;
+ priv->freq_hz = params->frequency - 2750000;
+ }
+ priv->video_standard = XC4000_DTV7_8;
+ type = DTV78;
+ break;
default:
printk(KERN_ERR "xc4000 bandwidth not set!\n");
return -EINVAL;