[04/18] xc5000: add support for DVB-C tuning.

Message ID 4d1ef3ff.52790e0a.0150.0713@mx.google.com (mailing list archive)
State Superseded, archived
Headers

Commit Message

Igor M. Liplianin Dec. 31, 2010, 11:37 a.m. UTC
  Signed-off-by: Igor M. Liplianin <liplianin@netup.ru>
---
 drivers/media/common/tuners/xc5000.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)
  

Comments

Benny Amorsen Jan. 1, 2011, 9:43 a.m. UTC | #1
It is always good to see more DVB-C devices supported... Do you happen
to know some devices which have DVB-C support and use this chip?


/Benny

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Igor M. Liplianin Jan. 1, 2011, 9:57 a.m. UTC | #2
? ????????? ?? 1 ?????? 2011 11:43:28 ????? Benny Amorsen ???????:
> It is always good to see more DVB-C devices supported... Do you happen
> to know some devices which have DVB-C support and use this chip?
> 
> 
> /Benny
See next patch ...
  

Patch

diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c
index 76ac5cd..e3218c9 100644
--- a/drivers/media/common/tuners/xc5000.c
+++ b/drivers/media/common/tuners/xc5000.c
@@ -683,6 +683,24 @@  static int xc5000_set_params(struct dvb_frontend *fe,
 			return -EINVAL;
 		}
 		priv->rf_mode = XC_RF_MODE_AIR;
+	} else if (fe->ops.info.type == FE_QAM) {
+		dprintk(1, "%s() QAM\n", __func__);
+		switch (params->u.qam.modulation) {
+		case QAM_16:
+		case QAM_32:
+		case QAM_64:
+		case QAM_128:
+		case QAM_256:
+		case QAM_AUTO:
+			dprintk(1, "%s() QAM modulation\n", __func__);
+			priv->bandwidth = BANDWIDTH_8_MHZ;
+			priv->video_standard = DTV7_8;
+			priv->freq_hz = params->frequency - 2750000;
+			priv->rf_mode = XC_RF_MODE_CABLE;
+			break;
+		default:
+			return -EINVAL;
+		}
 	} else {
 		printk(KERN_ERR "xc5000 modulation type not supported!\n");
 		return -EINVAL;