I had this same problem about 1 year ago. Basically, my PVR-150 will not tune
any channels in stereo. v4l2-ctl displays only mono and lang2 as being
available. (See my post at
http://ivtvdriver.org/pipermail/ivtv-devel/2007-January/003975.html). In the
past week, I've upgraded my installation to a fresh Kubuntu 7.10. It appears
to come with a precompiled version of ivtv 1.0.2 and kernel 2.6.22-14.
On my old installation (ivtv 0.8.2 and kernel 2.6.18), Hans asked me to
recompile the driver making the change quoted below. This worked for that
version of the driver. Now that things are
integrated into the kernel, how do I turn off this workaround in the current
version of the driver?
> Can you try the following: edit ivtv-driver.c, search for '112' and
> change the line below from:
>
> itv->pvr150_workaround = 1;
>
> to:
>
> itv->pvr150_workaround = 0;
>
> Recompile, etc. and see if this solves your problem. Let me know if it
> does, because in that case I need to do more work in the cx25840 module
> to really fix it.
>
> Regards,
>
> Hans
My current v4l2-ctl output:
$ v4l2-ctl -T --log-status
Tuner:
Capabilities : 62.5 kHz multi-standard stereo lang1 lang2
Frequency range : 44.0 MHz - 958.0 MHz
Signal strength : 100%
Current audio mode : lang1
Available subchannels: mono lang2
Status Log:
[ 243.583795] ivtv0: ================= START STATUS CARD #0
=================
[ 243.615452] tveeprom 0-0050: Hauppauge model 26132, rev F1B2, serial#
9851370
[ 243.615458] tveeprom 0-0050: tuner model is TCL M2523_5N_E (idx 112, type
50)
[ 243.615462] tveeprom 0-0050: TV standards NTSC(M) (eeprom 0x08)
[ 243.615466] tveeprom 0-0050: audio processor is CX25841 (idx 35)
[ 243.615469] tveeprom 0-0050: decoder processor is CX25841 (idx 28)
[ 243.615472] tveeprom 0-0050: has no radio, has IR receiver, has IR
transmitter
[ 243.617558] tuner 0-0061: Tuner mode: analog TV
[ 243.617565] tuner 0-0061: Frequency: 109.25 MHz
[ 243.617568] tuner 0-0061: Standard: 0x0000b000
[ 243.620392] cx25840 0-0044: Video signal: present
[ 243.620396] cx25840 0-0044: Detected format: NTSC-M
[ 243.620399] cx25840 0-0044: Specified standard: NTSC-M
[ 243.620401] cx25840 0-0044: Specified video input: Composite 7
[ 243.620404] cx25840 0-0044: Specified audioclock freq: 48000 Hz
[ 243.626865] cx25840 0-0044: Detected audio mode: forced mode
[ 243.626869] cx25840 0-0044: Detected audio standard: forced audio
standard
[ 243.626871] cx25840 0-0044: Audio muted: no
[ 243.626874] cx25840 0-0044: Audio microcontroller: running
[ 243.626877] cx25840 0-0044: Configured audio standard: BTSC
[ 243.626880] cx25840 0-0044: Configured audio mode: undefined
[ 243.626883] cx25840 0-0044: Specified audio input: Tuner (In8)
[ 243.626886] cx25840 0-0044: Preferred audio mode: stereo
[ 243.626888] cx25840 0-0044: Selected 65 MHz format: system DK
[ 243.626891] cx25840 0-0044: Selected 45 MHz format: chroma
[ 243.627656] wm8775 0-001b: Input: 2
[ 243.627704] ivtv0: Video Input: Tuner 1
[ 243.627706] ivtv0: Audio Input: Tuner 1
[ 243.627708] ivtv0: Tuner: TV
[ 243.627711] ivtv0: Stream: MPEG-2 Program Stream
[ 243.627715] ivtv0: VBI Format: No VBI
[ 243.627718] ivtv0: Video: 720x480, 30 fps
[ 243.627721] ivtv0: Video: MPEG-2, 4x3, Variable Bitrate, 6000000, Peak
8000000
[ 243.627725] ivtv0: Video: GOP Size 15, 2 B-Frames, GOP Closure
[ 243.627729] ivtv0: Audio: 48 kHz, Layer II, 224 kbps, Stereo, No
Emphasis, No CRC
[ 243.627733] ivtv0: Spatial Filter: Manual, Luma 1D Horizontal, Chroma 1D
Horizontal, 0
[ 243.627736] ivtv0: Temporal Filter: Manual, 8
[ 243.627739] ivtv0: Median Filter: Off, Luma [0, 255], Chroma [0, 255]
[ 243.627742] ivtv0: Status flags: 0x00000000
[ 243.627746] ivtv0: Stream encoder MPEG: status 0x0000, 0% of 4096 KiB
(128 buffers) in use
[ 243.627749] ivtv0: Stream encoder YUV: status 0x0000, 0% of 2046 KiB (194
buffers) in use
[ 243.627753] ivtv0: Stream encoder VBI: status 0x0000, 0% of 1023 KiB (60
buffers) in use
[ 243.627757] ivtv0: Stream encoder PCM audio: status 0x0000, 0% of 1021
KiB (227 buffers) in use
[ 243.627761] ivtv0: Read MPEG/VBI: 0/0 bytes
[ 243.627763] ivtv0: ================== END STATUS CARD #0
==================
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