Currently I am trying standard headset with mic (3.5 mm) and not USB
headset.
*
on ubuntu 10.10 desktop*
-module-udev-detect is loaded
-I am trying out use-case of headset plug/unplug , when music is playing on
totem player the audio is getting routed to headset automatically when HS is
plugged-in. (which is expected :-) )
-here I am expecting to see an new sink device in the list-sinks which is
not happening?
*on device with 2.6.35 kernel and PA 0.9.21*
- module-udev-detect is loaded
- audio is NOT getting routed to headset automatically when HS is
plugged-in, while playing music through gst-launch ? Not sure why ?
- here also I am expecting to see an new sink device in the list-sinks which
is not happening?
*here is the list-sinks output (of ubuntu10.10) it remains same irrespective
of doing headset plugin/plugout :*
1 sink(s) available.
* index: 0
name: <alsa_output.pci-0000_00_1b.0.analog-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY
DYNAMIC_LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 9959
volume: 0: 65% 1: 65%
0: -11.41 dB 1: -11.41 dB
balance 0.00
base volume: 100%
0.00 dB
volume steps: 65537
muted: no
current latency: 0.00 ms
max request: 0 KiB
max rewind: 0 KiB
monitor source: 0
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 0
configured latency: 0.00 ms; range is 0.50 .. 1999.82 ms
card: 0 <alsa_card.pci-0000_00_1b.0>
module: 4
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "AD198x Analog"
alsa.id = "AD198x Analog"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "HDA Intel"
alsa.long_card_name = "HDA Intel at 0xdfdfc000 irq 43"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1b.0"
sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "27d8"
device.product.name = "N10/ICH 7 Family High Definition Audio
Controller"
device.form_factor = "internal"
device.string = "front:0"
device.buffering.buffer_size = "352768"
device.buffering.fragment_size = "176384"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "Analog Stereo"
device.description = "Internal Audio Analog Stereo"
alsa.mixer_name = "Analog Devices AD1984"
alsa.components = "HDA:11d41984,10280220,00100400"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
analog-output: Analog Output (priority 9900)
analog-output-headphones: Analog Headphones (priority 9000)
active port: <analog-output>
*Device*
>>> list-sinks
1 sink(s) available.
* index: 0
name: <alsa_output.hw_0_0>
driver: <module-alsa-sink.c>
flags: HARDWARE DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 9000
volume: 0: 100% 1: 100%
0: 0.00 dB 1: 0.00 dB
balance 0.00
base volume: 100%
0.00 dB
volume steps: 65537
muted: no
current latency: 0.00 ms
max request: 127 KiB
max rewind: 127 KiB
monitor source: 0
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 0
configured latency: 0.00 ms; range is 0.50 .. 742.31 ms
module: 4
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = ""
alsa.id = "McBSP2-STDac cpcap stdac-0"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "motsnd"
alsa.long_card_name = "Motorola MAPPHONE"
device.string = "hw:0,0"
device.buffering.buffer_size = "130944"
device.buffering.fragment_size = "65472"
device.access_mode = "mmap+timer"
device.description = "motsnd"
device.icon_name = "audio-card"
any idea, what went wrong ?
Best Regards,
Himanshu
On Sun, Jul 17, 2011 at 3:34 AM, Colin Guthrie <gmane at colin.guthr.ie> wrote:
> 'Twas brillig, and Himanshu Chug at 14/07/11 11:36 did gyre and gimble:
> > Hi Colin
> >
> > Thanks for information.
> >
> > we were using an old kernel which doesnt have proper udev support
> > (something like that I come to know from our kernel team.. :( ), then I
> > migrated to latest kernel and now module-udev-detect is built getting
> > loaded along with other modules :-)
>
> Ahh good :)
>
> > Next..
> >
> > I am trying to plug-in/out accessory headset , I guess it should reflect
> > in pacmd list-sinks or pacmd list-sources? but I am not sure, how to
> > view the updated list of sinks/sources after plugin/out ?
>
> Yeah, those commands should show you your updated devices after
> plug/unplug.
>
> > also , you mention one comment on my default.pa that ..
> > "load-module module-alsa-sink device=hw:0,0"
> > "OK, so here you've modified the default.pa file
> > for your system. You
> > shouldn't have to do this. It implies a static configuration that
> > obviously won't work with hotplug by itself...."
> >
> > is this affecting ???
>
> It shouldn't affect hotplug of USB stuff, just your internal card. That
> said you should still remove that line as it's not needed.
>
> I actually clarified the wording on the wiki page that lead you to add
> this line as another user on IRC got caught out by it too. Hopefully
> it's clearer now.
>
>
> So, the problem of your USB not showing up is presumably still there..
>
> If udev is working correctly now, then I'd run PA manually via
> pulseaudio -vvvvv and look for the debug that should spew out when you
> do the plug/unplug.
>
> My initial guess at the problem would be one of permissions. i.e. your
> user may not be allowed to access this new device node that is created.
> In a typical desktop env, udev will use udev-acl to give your user
> permission via an ACL on the device node. PA will only add a sink/source
> if your user actually has permission to open the device.
>
> This last bit is just a guess tho'. Hope it helps.
>
> Col
>
>
> --
>
> Colin Guthrie
> gmane(at)colin.guthr.ie
> http://colin.guthr.ie/
>
> Day Job:
> Tribalogic Limited [http://www.tribalogic.net/]
> Open Source:
> Mageia Contributor [http://www.mageia.org/]
> PulseAudio Hacker [http://www.pulseaudio.org/]
> Trac Hacker [http://trac.edgewall.org/]
>
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