diff options
| author | David T.L. Wong <davidtlwong@gmail.com> | 2009-05-04 22:59:58 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-06-16 18:21:07 -0300 |
| commit | 6c99080d8eae64c51f8b44946eb47f995361c582 (patch) | |
| tree | 528289237e273d3b09672390858e366c281367c5 /drivers/media/common | |
| parent | a6301d1d57dc08ef0e575d39f21435a2fe805900 (diff) | |
V4L/DVB (11803): xc5000: add support for DVB-T tuning
This patch adds XC5000 supports for DVB-T 6MHz and 8MHz bandwidth.
Signed-off-by: David T.L. Wong <davidtlwong@gmail.com>
Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/common')
| -rw-r--r-- | drivers/media/common/tuners/xc5000.c | 63 |
1 files changed, 45 insertions, 18 deletions
diff --git a/drivers/media/common/tuners/xc5000.c b/drivers/media/common/tuners/xc5000.c index a75521caa41d..cc829a0b6db7 100644 --- a/drivers/media/common/tuners/xc5000.c +++ b/drivers/media/common/tuners/xc5000.c @@ -636,25 +636,52 @@ static int xc5000_set_params(struct dvb_frontend *fe, dprintk(1, "%s() frequency=%d (Hz)\n", __func__, params->frequency); - switch (params->u.vsb.modulation) { - case VSB_8: - case VSB_16: - dprintk(1, "%s() VSB modulation\n", __func__); + if (fe->ops.info.type == FE_ATSC) { + dprintk(1, "%s() ATSC\n", __func__); + switch (params->u.vsb.modulation) { + case VSB_8: + case VSB_16: + dprintk(1, "%s() VSB modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_AIR; + priv->freq_hz = params->frequency - 1750000; + priv->bandwidth = BANDWIDTH_6_MHZ; + priv->video_standard = DTV6; + break; + case QAM_64: + case QAM_256: + case QAM_AUTO: + dprintk(1, "%s() QAM modulation\n", __func__); + priv->rf_mode = XC_RF_MODE_CABLE; + priv->freq_hz = params->frequency - 1750000; + priv->bandwidth = BANDWIDTH_6_MHZ; + priv->video_standard = DTV6; + break; + default: + return -EINVAL; + } + } else if (fe->ops.info.type == FE_OFDM) { + dprintk(1, "%s() OFDM\n", __func__); + switch (params->u.ofdm.bandwidth) { + case BANDWIDTH_6_MHZ: + priv->bandwidth = BANDWIDTH_6_MHZ; + priv->video_standard = DTV6; + priv->freq_hz = params->frequency - 1750000; + break; + case BANDWIDTH_7_MHZ: + printk(KERN_ERR "xc5000 bandwidth 7MHz not supported\n"); + return -EINVAL; + case BANDWIDTH_8_MHZ: + priv->bandwidth = BANDWIDTH_8_MHZ; + priv->video_standard = DTV8; + priv->freq_hz = params->frequency - 2750000; + break; + default: + printk(KERN_ERR "xc5000 bandwidth not set!\n"); + return -EINVAL; + } priv->rf_mode = XC_RF_MODE_AIR; - priv->freq_hz = params->frequency - 1750000; - priv->bandwidth = BANDWIDTH_6_MHZ; - priv->video_standard = DTV6; - break; - case QAM_64: - case QAM_256: - case QAM_AUTO: - dprintk(1, "%s() QAM modulation\n", __func__); - priv->rf_mode = XC_RF_MODE_CABLE; - priv->freq_hz = params->frequency - 1750000; - priv->bandwidth = BANDWIDTH_6_MHZ; - priv->video_standard = DTV6; - break; - default: + } else { + printk(KERN_ERR "xc5000 modulation type not supported!\n"); return -EINVAL; } |