I'm unable selecting the tuner input with ivtvctl. I'm using ivtv version 0.3 on a Hauppauge PVR 350. When i select ivtvctl -p 4 for tuner selection it says in /var/log/messages :
Jan 15 16:13:45 mythtv kernel: saa7115: decoder set input (4)
Jan 15 16:13:45 mythtv kernel: saa7115: now setting Composite input
Jan 15 16:13:45 mythtv kernel: ivtv: Setting audio matrix to input 3, output 1
Jan 15 16:13:45 mythtv kernel: saa7115: decoder enable output

So it is still on composite input. So i have no cable input, with xawtv i can select channels but there is no picture, because of no input. The tuner type is supported by tveeprom, it is type 38 al set for pal.

Somebody has a clue.

Are you trying to get the tuner to work or do you want to use the S-Video/Composite video input?

If you have a recent model of pvr350 and want to get that to work you have to make some changes. I have model 988 (also type 38 ) and made to following changes using ivtv-0.1.10-pre2-ck105i that comes with the distro.

Add tda9887=0 to /etc/mythtv/modules/ivtv (if I remember correct, this changes the card from fm or audio-only to tv tuner)

/etc/sysconfig/ivtv/cfg-0
should contain
IVTV_TUNER='38'
IVTV_TYPE='PAL'

It may be needed to copy these files.
cp ivtv-fb.o ivtv.o msp3400.o saa7115.o saa7127.o /lib/modules/2.4.25-chw/kernel/drivers/media/video

Manualy change frequentie (freq. x 16).
ivtvctl --set-freq=3060

To fix the green/purple picture use.
ivtvctl -j reg=0x6c,val=0xfa

In the end /etc/mythtv/modules/ivtv looks like this: