5 Aug
2009
5 Aug
'09
1:22 a.m.
Hi;
Alsa seems unable to find my audio analog chip set; put another way I
can't get any sound from analog cable tv with tvtime -- apparently
because alsa is not providing the sound. The TV video is great.
On the other hand, mplayer /dev/video1 gives me good sound but a
distorted picture.
If this sounds wishy-washy, it is because over the last several days I
have visited so many mailing lists (other that this one) and received so
much advice that even the few things I thought I knew about sound and
sound hardware has become very confused.
Succinctly, my problem is:
I have an integrated Audio Controller on a Gigabyte GA-G31M-ES2L
motherboard with PCIe bus:
product: 82801G (ICH7 Family) High Definition Audio Controller
[8086:27D8]
vendor: Intel Corporation [8086]
bus info: pci@0000:00:1b.0
version: 01
width: 64 bits
clock: 33MHz
capabilities:
Power Management,
Message Signalled Interrupts,
PCI Express,
bus mastering,
PCI capabilities listing
configuration:
driver: HDA Intel
latency: 0
resources:
irq: 16
memory: e5300000-e5303fff
]$ lsmod | grep hda
snd_hda_codec_realtek 265060 1
snd_hda_intel 29000 0
snd_hda_codec 65376 2 snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 8600 1 snd_hda_codec
snd_pcm 79352 2 snd_hda_intel,snd_hda_codec
snd 65096 6
snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_\
hwdep,snd_pcm,snd_timer
]$ lspci -vv
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High
Definition Audio Controller (rev 01)
Subsystem: Giga-byte Technology Device a002
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 16
Region 0: Memory at e5300000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
]$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xe5300000 irq 16
The TV tuner I am using is a:
Hauppauge_WinTV-HVR-1800
This card features:
* NXP/Philips TDA18271 (tuner for analog)
* Microtune MT2131 (tuner for digital)
* NXP/Philips TDA8295 (analog IF demodulator)
* Samsung S5H1409/Conexant CX24227 (digital demodulator)
* Conexant CX23417 (MPEG-2 encoder)
* Elpida (RAM)
• Conexant CX23887 (A/V Decoder & PCIe bridge)
/lib/firmware has
v4l-cx23885-avcore-01.fw
v4l-cx23885-enc.fw
The TV tuner and sound card do not seem to be communicating.
/etc/udev/rules.d/90-alsa.rules include
ACTION=="add", SUBSYSTEM=="sound",
KERNEL=="controlC*", \
RUN+="/sbin/alsactl -E ALSA_CONFIG_PATH=/etc/alsa/alsactl.conf
--initfile=/lib/alsa/init/00main restore /dev/$name"
ACTION=="remove", SUBSYSTEM=="sound",
KERNEL=="controlC*", \
RUN+="/sbin/alsactl -E ALSA_CONFIG_PATH=/etc/alsa/alsactl.conf
store /dev/$name"
The second line confuses me.
Even if I am just doing something stupid or overlooking the obvious,
please suggest a fix.
--
Regards Bill
Fedora 11, Gnome 2.26.3
Evo.2.26.3, Emacs 22.3.1
5 Aug
5 Aug
6:20 a.m.
William Case wrote:
Alsa seems unable to find my audio analog chip set;
put another way I
can't get any sound from analog cable tv with tvtime -- apparently
because alsa is not providing the sound.
cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xe5300000 irq 16
Looking at the kernel source, it appears that the cx23885 driver does
not have audio recording support.
The TV tuner and sound card do not seem to be
communicating.
Is there an audio cable between the tuner's output and the motherboard's
line-in (or other analog input)?
Best regards,
Clemens
10:09 a.m.
Hi Clemens;
On Wed, 2009-08-05 at 10:20 +0200, Clemens Ladisch wrote:
William Case wrote:
No. There is no physical external line/cable. My understanding is that
the PCIe bus is supposed to take care of that now. In my travels through
google and various mail lists many people with new tuner cards do not
have external cables either and are having the same problem.
To quote from a series of exchanges I have had on the Fedora users
mailing list regarding a line-in.
"
Alsa seems unable to find my audio analog chip
set; put another way I
can't get any sound from analog cable tv with tvtime -- apparently
because alsa is not providing the sound.
cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xe5300000 irq 16
Looking at the kernel source, it appears that the cx23885 driver does
not have audio recording support.
The TV tuner and sound card do not seem to be
communicating.
Is there an audio cable between the tuner's output and the motherboard's
line-in (or other analog input)? I wonder what kind of Line input this is? You keep on
pointing
out
that you haven't placed a cable between tv card
and onboard
audio,
but even with onboard audio 'Line' and
'Mic' are external
input
jacks, aren't they?
That is the $64,000 question. (You might be too young to
remember the $64,000 question.)
That was what started me on this whole "what do controls do?"
quest and trying to figure out various possible control
combinations. Using 'Line' or Line-in on my setup didn't seem
logical. It still doesn't.
I have external receptacles on my motherboard at the back of my
computer box -- one light green for incoming sound, and one
light red (pink) for a microphone. Double checked visually and
in my motherboard manual.
*However* my tv tuner card has no sound output receptacle, did
not come with a line to use as an external connection line and
shows no external hookups in its manual. Besides, I have looked
several times and there is no no receptacle for line-out. I
have tried experimenting with earphones. The receptacle on the
tuner card that does exist is for sound-in for a satellite dish.
On my old computer, the tv tuner did have an external line-out
to a
sound card line-in. So I am familiar with what I am looking
for. I do not have an external line plugged into on this
computer's sound. "
Sorry, I forgot to include that info.
--
Regards Bill
Fedora 11, Gnome 2.26.3
Evo.2.26.3, Emacs 22.3.1
10:31 a.m.
On Wed, 2009-08-05 at 08:08 -0400, William Case wrote:
Hi Clemens;
On Wed, 2009-08-05 at 10:20 +0200, Clemens Ladisch wrote:
By the way, I have a dual boot system. When I boot into WindowsXP the
TV works; picture, sound and all. So, a physical external sound line-in
is not required for the drivers in M$.
--
Regards Bill
Fedora 11, Gnome 2.26.3
Evo.2.26.3, Emacs 22.3.1
William Case wrote:
No. There is no physical external line/cable. My understanding is that
the PCIe bus is supposed to take care of that now. In my travels through
google and various mail lists many people with new tuner cards do not
have external cables either and are having the same problem.
To quote from a series of exchanges I have had on the Fedora users
mailing list regarding a line-in.
"
Alsa seems unable to find my audio analog chip
set; put another way I
can't get any sound from analog cable tv with tvtime -- apparently
because alsa is not providing the sound.
cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xe5300000 irq 16
Looking at the kernel source, it appears that the cx23885 driver does
not have audio recording support.
The TV tuner and sound card do not seem to be
communicating.
Is there an audio cable between the tuner's output and the motherboard's
line-in (or other analog input)? I wonder what kind of Line input this is? You
keep on pointing
out
that you haven't placed a cable between tv
card and onboard
audio,
but even with onboard audio 'Line' and
'Mic' are external
input
jacks, aren't they?
That is the $64,000 question. (You might be too young to
remember the $64,000 question.)
That was what started me on this whole "what do controls do?"
quest and trying to figure out various possible control
combinations. Using 'Line' or Line-in on my setup didn't seem
logical. It still doesn't.
I have external receptacles on my motherboard at the back of my
computer box -- one light green for incoming sound, and one
light red (pink) for a microphone. Double checked visually and
in my motherboard manual.
*However* my tv tuner card has no sound output receptacle, did
not come with a line to use as an external connection line and
shows no external hookups in its manual. Besides, I have looked
several times and there is no no receptacle for line-out. I
have tried experimenting with earphones. The receptacle on the
tuner card that does exist is for sound-in for a satellite dish.
On my old computer, the tv tuner did have an external line-out
to a
sound card line-in. So I am familiar with what I am looking
for. I do not have an external line plugged into on this
computer's sound. "
Sorry, I forgot to include that info.
6 Aug
6 Aug
5:26 a.m.
William Case wrote:
On Wed, 2009-08-05 at 10:20 +0200, Clemens Ladisch
wrote:
The PCIe bus allows devices to communicate with the computer, but not
with each other. For TV audio to be heard, some software has to record
from the TV card and to play it back on the default sound card.
Steven, what would be needed to add the missing audio recording support
to the cx23885 driver?
Best regards,
Clemens
Looking at the kernel source, it appears that the
cx23885 driver does
not have audio recording support.
No. There is no physical external line/cable. My understanding is that
the PCIe bus is supposed to take care of that now.
[...] my tv tuner card has no sound output receptacle The TV tuner and sound card do not seem to be
communicating.
Is there an audio cable between the tuner's output and the motherboard's
line-in (or other analog input)?
7:50 a.m.
On Thu, 2009-08-06 at 09:26 +0200, Clemens Ladisch wrote:
William Case wrote:
I have tried
modprobe -r cx23885
modprobe cx23885 card=1
(which is supposed to be the driver specification for
Hauppauge WinTV-HVR1800lp)-- no joy. "lp"=PCIe. I get no video or sound; tvtime
warns it
can't find video0.
I have tried the patch at
http://www.linuxtv.org/wiki/index.php/Hauppauge_WinTV-HVR-1800 with no joy.
I filed a Fedora/RedHat new Bug #515740 last night with much the same
information as given here. No response yet.
--
Regards Bill
Fedora 11, Gnome 2.26.3
Evo.2.26.3, Emacs 22.3.1
On Wed, 2009-08-05 at 10:20 +0200, Clemens
Ladisch wrote:
The PCIe bus allows devices to communicate with the computer, but not
with each other. For TV audio to be heard, some software has to record
from the TV card and to play it back on the default sound card.
Steven, what would be needed to add the missing audio recording support
to the cx23885 driver?
Looking at the kernel source, it appears that the
cx23885 driver does
not have audio recording support.
No. There is no physical external line/cable. My understanding is that
the PCIe bus is supposed to take care of that now.
[...] my tv tuner card has no sound output receptacle The TV tuner and sound card do not seem to be
communicating.
Is there an audio cable between the tuner's output and the motherboard's
line-in (or other analog input)?
5589
days inactive
5591
days old
linux-audio-user@lists.linuxaudio.org
5 comments
2 participants
participants (2)
-
Clemens Ladisch -
William Case