[mythtv-users] PVR-250 composite sound OK, No sound on tuner!

Aaron Stewart acs at hourglassone.com
Thu May 5 10:53:25 UTC 2005

Make sure that you only have one msp3400 module.. I got stuck with
something similar and it was because when I installed the bttv drivers
(to get tuner.ko) it built its own, which won't work.

Michael T. Dean wrote:

> Dave Pearson wrote:
>> I have a PVR-250, which is working perfectly for the composite-0
>> input, I get a very good picture and good sound. Unfortunately I
>> cannot get any sound out of the tuner-0 input, only a (good) picture.
>> ...
>> This is what my modprobe.conf in Mandrake 10.1 looks like:
>> ...
>> #for ivtv
>> alias char-major-81-* videodev
>> alias char-major-81-0 ivtv
> Good.
>> options ivtv ivtv_debug=1
>> options tuner type=1 pal=1
>> options saa7127 enable_output output_select=0 pal=1
>> options msp3400 once=0 simpler=1 simple=0 standard=0xa
> Assuming you're using IvyTV 0.2.0rc or above, get rid of all of
> these.  You're probably telling IvyTV to use the wrong
> configuration--instead of autodetecting the correct configuration. 
> IvyTV is happy to follow your instructions--even if they're wrong--so
> make sure you know for sure that the autoconfiguration chooses the
> wrong options before you start overriding it.
>> install ivtv { /sbin/modprobe msp3400; /sbin/modprobe saa7115;
>> /sbin/modprobe tuner; } ; /sbin/modprobe --first-time
>> --ignore-install ivtv && { /sbin/modprobe lirc_dev; /sbin/modprobe
>> lirc_i2c; /bin/true; }
> Get rid of this.  When you install ivtv (with modprobe ivtv--not with
> insmod ivtv), the driver takes care of loading all modules on which it
> depends.  Loading modules in the wrong order causes problems, so let
> the driver do it for you.  If you want to ensure that lirc is
> installed with ivtv, at least get rid of the msp3400 and saa7115 and
> tuner stuff.  If you want to get fancy, create an install line for
> LIRC that pre-installs ivtv before installing LIRC.
>> remove ivtv { /sbin/modprobe -r lirc_dev; /sbin/modprobe -r lirc_i2c;
>> } ; /sbin/modprobe -r --first-time --ignore-remove ivtv && {
>> /sbin/modprobe -r msp3400; /sbin/modprobe -r saa7115; /sbin/modprobe
>> -r tuner; /bin/true; }
> This is fine.
> HTH.
> Mike
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