Hi,
thanks for your work. Donnation will be made.
Maybe that clarifies things a little bit more: I have a PVR150 PAL (Tuner 51) and if I switch to composite I'll here both, the composite audio and (a little bit muted) the tuner audio. I have not tried to use your second patch yet.
btw I have a different audio firmware version: md5: a6f6a90a3be338cdb89d59e835798408 sha1: ad2872fb98ad43b6c4afa45d239a57010edebe84
cheers, Guenter
Ulf wrote:
I don't know anything about audio in NTSC. But it seems to me from your description that the NTSC tuner on your card has a line-out connection with demodulated audio. This seems to be routed on the NTSC 150 card to the wm8775 chip.
On my PAL cards, the broadcast audio demodulation of tuner audio is made by
the cx-chip, hence in tuner mode the wm8775 input is disabled and the cx
internal audio source is used.
This is consistent with your description that you have no audio when tuner is selected and that the composite and s-video inputs has the tuner and composite audio mixed. The wm8775 chip has 4 stereo line-in inputs which can be mixed. My wm8775 driver mixes all signals simply because I was to lazy to find out which of the inputs that is actually used.
I've created a new patch where you can specify a input enable value to the wm8775 module like this: insmod wm8775 mixer_input=1
The four different inputs are selected as with 1,2,4 and 8. I've also added an input -p 5 that uses the wm8775 for audio and tunner. If you could try thw wm8775 module with different values for mixer_input when can isolate which setting is which input. This is not a final soloution just a way to get more information.
New patch can be found here: http://eklund.to/cx25840-wm8775-2005-01-04_11.42.31-patch-for-ivtv-0.3.2a.gz
cx25840: *** I2C Write to no cx25840 device 0x43.
cx25840: I2C sequence write failed, length 4, ret -121
You can ignore this error, I2C device 0x43 is not present on the NTSC cards it seems....
/Ulf.
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jim Hammack Sent: 04 January 2005 03:22 To: [email protected] Subject: Re: [ivtv-devel] PVR150/500 audio and video patch.
Ulf,
Donation made!
Preliminary results on my PVR-150 Model 1045 (NTSC):
- no problems compiling or loading modules (did modprobe vs. insmod on ivtv.ko):
Module Size Used by
sha1 8192 0 md5 3648 0 ivtv 812036 0 wm8775 8856 0 tuner 19492 0 cx25840 138848 0
- using composite input, I hear tuner audio - using S-video input, I hear tuner audio - using tuner input, I hear no audio.
- NTSC tuner input seems to be working (I had to use 'ivtvctl -u 0x3000' vs. 'ivtvctl -u 0' to select NTSC), but I cannot change channels using chann utility, although it reports success.
- The only interesting lines (last two) from dmesg:
cx25840: *** I2C Write to no cx25840 device 0x43. cx25840: I2C sequence write failed, length 4, ret -121
I'll continue to troubleshoot until my wife complains. ;-)
Thanks,
Jim
Jim Hammack [EMAIL PROTECTED]
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