[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>

diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c
index 65dd948..307a874 100644 (file)
--- 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;