From f0ef7c88ca919912011593d2392a59c2fde04748 Mon Sep 17 00:00:00 2001 From: Istvan Varga Date: Fri, 3 Jun 2011 12:17:59 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/xc4000.c | 17 +++++++++++++++-- 1 file 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; -- 2.20.1