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[Raymond <1497666@xxxxxxxxxxxxxxxxxx>]

http://git.alsa-project.org/?p=alsa-
lib.git;a=blob;f=src/conf/cards/CA0106.conf;hb=HEAD


there are locks  associated with playback controls of  iec958 device

but pulseaudio try to open iec958 capture device


.000) D: [pulseaudio] alsa-util.c: Managed to open iec958:0
(   0.352|   0.000) D: [pulseaudio] alsa-util.c: Maximum hw buffer size is 340 ms
(   0.352|   0.000) I: [pulseaudio] (alsa-lib)setup.c: Cannot lock ctl elem
(   0.352|   0.000) I: [pulseaudio] (alsa-lib)setup.c: Cannot lock ctl elem
(   0.352|   0.000) I: [pulseaudio] (alsa-lib)setup.c: Cannot lock ctl elem
(   0.352|   0.000) I: [pulseaudio] (alsa-lib)setup.c: Cannot lock ctl elem
(   0.352|   0.000) D: [pulseaudio] alsa-util.c: Set neither period nor buffer size.
(   0.352|   0.000) I: [pulseaudio] (alsa-lib)setup.c: Cannot lock ctl elem
(   0.352|   0.000) I: [pulseaudio] alsa-util.c: snd_pcm_hw_params failed: Device or resource busy



hooks.0 {
		type ctl_elems
		hook_args [
			{
				name "IEC958 Front Playback Volume"
				index 0
				lock true
				preserve true
				value [ 207 207 ]   # Puts 0x30303030 in the Volume register. 0xff - 0x30 = 0xcf = 207
			}
			{
				name "IEC958 Playback Switch"
				lock true
				preserve true
				value 1
			}
			{
				interface PCM
				name "IEC958 Playback Default"
				index 1
				lock true
				preserve true
				optional true
				value [ $AES0 $AES1 $AES2 $AES3 ]
			}
			{
				# for compatibility with older drivers
				name "IEC958 Playback Default"
				index 1
				lock true
				preserve true
				optional true
				value [ $AES0 $AES1 $AES2 $AES3 ]
			}
		]

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1497666

Title:
  No right channel sound on Creative Xtreme Audio (CA0106)  in  Ubuntu
  14.04-15.10

Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  After a fresh install of Ubuntu 14.04, 15.04, 15.10 and on the liveCD,
  There is no sound on right channel. But it works perfectly in Win
  7/10. It also worked perfectly on Ubuntu 12.04 My sound card is
  Creative Xtreme Audio (PCI CA0106).

  In the forum, many users also have experienced this bug with the
  incorrect default alsamixer settings.

  http://ubuntuforums.org/showthread.php?t=2217724

  Here are my alsa-info.sh results.

  http://www.alsa-
  project.org/db/?f=e3ae99437c3d283b35cac7c33ace996bedf43a16

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1497666/+subscriptions