[mythtv-users] Setting a channel to prefer a tuner or how to remove static

[Tom Lichti]

Chris Moewes-Bystrom wrote:
>> After booting, run
>>
>> dmesg | grep -i tuner
> 
> [root at mythtv ~]# dmesg | grep ivtv
> ivtv:  ==================== START INIT IVTV ====================
> ivtv:  version 0.7.1 (tagged release) loading
> ivtv:  Linux version: 2.6.17-1.2142_FC4 mod_unload 686 REGPARM 4KSTACKS gcc-4.0
> ivtv:  In case of problems please include the debug info between
> ivtv:  the START INIT IVTV and END INIT IVTV lines, along with
> ivtv:  any module options, when mailing the ivtv-users mailinglist.
> ivtv0: Autodetected Hauppauge WinTV PVR-150 card (cx23416 based)
> tuner 1-0061: chip found @ 0xc2 (ivtv i2c driver #0)
> cx25840 1-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #0)
> wm8775 1-001b: chip found @ 0x36 (ivtv i2c driver #0)
> ivtv0: loaded v4l-cx2341x-enc.fw firmware (262144 bytes)
> ivtv0: Encoder revision: 0x02050032
> ivtv0: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB total)
> ivtv0: Allocate DMA encoder YUV stream: 194 x 10800 buffers (2048KB total)
> ivtv0: Allocate DMA encoder VBI stream: 120 x 17472 buffers (2048KB total)
> ivtv0: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers (2048KB total)
> ivtv0: Initialized Hauppauge WinTV PVR-150, card #0
> ivtv:  ======================  NEXT CARD  ======================
> ivtv1: Autodetected Hauppauge WinTV PVR-150 card (cx23416 based)
> tuner 2-0061: chip found @ 0xc2 (ivtv i2c driver #1)
> cx25840 2-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #1)
> wm8775 2-001b: chip found @ 0x36 (ivtv i2c driver #1)
> ivtv1: loaded v4l-cx2341x-enc.fw firmware (262144 bytes)
> ivtv1: Encoder revision: 0x02050032
> ivtv1: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB total)
> ivtv1: Allocate DMA encoder YUV stream: 194 x 10800 buffers (2048KB total)
> ivtv1: Allocate DMA encoder VBI stream: 120 x 17472 buffers (2048KB total)
> ivtv1: Allocate DMA encoder PCM audio stream: 455 x 4608 buffers (2048KB total)
> ivtv1: Initialized Hauppauge WinTV PVR-150, card #1
> ivtv:  ====================  END INIT IVTV  ====================
> 
> 
> Clearly not the same tuner chips.. err same chip different revision

Looks the same to me. But what does dmesg | grep -i tuner show? There 
will be more info than what you posted.

> 
>> and you should see what IVTV is doing. I wouldn't count on both of the
>> cards being the same tuner. It's likely, but not guaranteed. If they are
>> the same, and they are being setup correctly driver wise, it might be
>> the broadcast type, so I'd check that as well.
> 
> How do I check the "broadcast" type?  Is that the videosource table??
> 
> mysql> select * from videosource\G
> *************************** 1. row ***************************
>     sourceid: 1
>         name: Comcast (Zap2It)
> xmltvgrabber: datadirect
>       userid: XXXXXX
>    freqtable: us-cable
>     lineupid: MN22577:-
>     password: XXXXXX
>       useeit: 0
> 1 row in set (0.00 sec)

That's right. Looks correct to me.

Tom