Public bug reported:

[ Impact ]

 * On platform with TI tas2783 amplifier don't have sound output

 * there are some tas2783 related error message in dmesg
[    6.581053] slave-tas2783 sdw:0:2:0102:0000:01:9: error playback without fw 
download
[    6.581068] slave-tas2783 sdw:0:2:0102:0000:01:9: ASoC error (-22): at 
snd_soc_dai_hw_params() on tas2783-codec
[    6.581077] sdw_deprepare_stream: subdevice #0-Playback: inconsistent state 
state 0
[    6.581079]  SDW2-Playback-SmartAmp: ASoC error (-22): at 
__soc_pcm_hw_params() on SDW2-Playback-SmartAmp
[    6.581082]  Speaker: ASoC error (-22): at dpcm_fe_dai_hw_params() on Speaker


[ Test Plan ]

 * on platform with tas2783 amplifier
 * Check that the internal sound output is not working
 * Install the updated alsa-ucm-conf
 * $ sudo reboot
 * check internal sound output should work correctly

[ Where problems could occur ]

 * Might affect audio input/output using this device

[ Other Info ]

 * upstream fix: https://github.com/alsa-project/alsa-ucm-
conf/commit/182d0122a7d98cfa5f2d42d3cb8e9e1b8697b69a

** Affects: oem-priority
     Importance: Undecided
     Assignee: Dirk Su (dirksu)
         Status: New

** Affects: alsa-ucm-conf (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: jira-stella-3568

** Also affects: oem-priority
   Importance: Undecided
       Status: New

** Tags added: jira-stella-3568

** Changed in: oem-priority
     Assignee: (unassigned) => Dirk Su (dirksu)

** Description changed:

  [ Impact ]
  
-  * On platform with TI tas2783 amplifier don't have sound output
+  * On platform with TI tas2783 amplifier don't have sound output
  
  [ Test Plan ]
  
-  * on platform with tas2783 amplifier
-  * Check that the internal sound output is not working
-  * Install the updated alsa-ucm-conf
-  * $ sudo systemctl stop alsa-restore.service
-  * $ sudo rm /var/lib/alsa/asound.state
-  * $ sudo systemctl start alsa-state
-  * $ sudo reboot
-  * check internal sound output should work correctly
+  * on platform with tas2783 amplifier
+  * Check that the internal sound output is not working
+  * Install the updated alsa-ucm-conf
+  * $ sudo systemctl stop alsa-restore.service
+  * $ sudo rm /var/lib/alsa/asound.state
+  * $ sudo systemctl start alsa-restore.service
+  * $ sudo reboot
+  * check internal sound output should work correctly
  
  [ Where problems could occur ]
  
-  * Might affect audio input/output using this device
+  * Might affect audio input/output using this device
  
  [ Other Info ]
  
-  * upstream fix: https://github.com/alsa-project/alsa-ucm-
+  * upstream fix: https://github.com/alsa-project/alsa-ucm-
  conf/commit/182d0122a7d98cfa5f2d42d3cb8e9e1b8697b69a

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https://bugs.launchpad.net/bugs/2164729

Title:
  [SRU] system with TI tas2783 amplifier has no sound output

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