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[Raymond <1315212@xxxxxxxxxxxxxxxxxx>]

static unsigned int i2c_adc_init[][2] = {
	{ 0x17, 0x00 }, /* Reset */
	{ 0x07, 0x00 }, /* Timeout */
	{ 0x0b, 0x22 },  /* Interface control */
	{ 0x0c, 0x22 },  /* Master mode control */
	{ 0x0d, 0x08 },  /* Powerdown control */
	{ 0x0e, 0xcf },  /* Attenuation Left  0x01 = -103dB, 0xff = 24dB */
	{ 0x0f, 0xcf },  /* Attenuation Right 0.5dB steps */
	{ 0x10, 0x7b },  /* ALC Control 1 */
	{ 0x11, 0x00 },  /* ALC Control 2 */
	{ 0x12, 0x32 },  /* ALC Control 3 */
	{ 0x13, 0x00 },  /* Noise gate control */
	{ 0x14, 0xa6 },  /* Limiter control */
	{ 0x15, ADC_MUX_LINEIN },  /* ADC Mixer control */

seem default is linein and 0dB

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https://bugs.launchpad.net/bugs/1315212

Title:
  [CA0106 - CA0106, playback] Playback problem - Surround dies, no valid
  output

Status in ALSA driver:
  Confirmed
Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  This is tested against a Creative Labs Sounblaster live! (sb0410) card
  and a SoundBlaster Audigy se (sb0570). Both of them behave strangely,
  output coming through some, but not all speakers, etc. This was
  working in 13.10 under the sb0410. the ca0106 driver is the same for
  both cards.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic i686
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  joshp     30385 F.... pulseaudio
   /dev/snd/controlC0:  joshp     30385 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu May  1 21:37:12 2014
  InstallationDate: Installed on 2014-04-28 (3 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:CA0106 failed
  Symptom_Card: Built-in Audio - Intel ICH6
  Symptom_Type: None of the above
  Title: [CA0106 - CA0106, playback] Playback problem
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/03/2006
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A08
  dmi.board.name: 0G8310
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA08:bd03/03/2006:svnDellInc.:pnOptiPlexGX280:pvr:rvnDellInc.:rn0G8310:rvr:cvnDellInc.:ct3:cvr:
  dmi.product.name: OptiPlex GX280
  dmi.sys.vendor: Dell Inc.

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