** Description changed:

- This bug originates from an OEM private bug #1875597, then ubuntu users
- reported 2 public bugs #1871329 and #1881659. The 2nd issue of #1871329
- and the 1st issue of #1881659 have the same root cause as #1875597
+ [Impact]
  
- [Impact]
- On the Dell machines with multi function audio jack, after installing the 
ubuntu 20.04 and if the audio driver is sof instead of legacy hda, the 
headphone/headset can't output sound automatically after users plug in a 
headphone/headset. This is different from ubuntu 18.04, on the 18.04, the 
headphone/headset could output sound automatically after plugging in the audio 
jack.
- 
- [Fix]
- The root cause is the ucm2 conf defines 2 input devices: the Mic2 and Headset 
MIC, and the pulseaudio parse the input device Headset MIC first then Mic2, 
finally the audio jack is set to Mic2 mode, this make the audio jack can't 
output sound anymore. To fix it, let the audio jack set to Headset MIC mode by 
default (Headset MIC has higher priority than Mic2 in the ucm2 conf), to do so, 
let pulseaudio send the device event to module-switch-on-port-available by the 
order of priority in the umc2.
+  * On the Dell machines with multi function audio jack, the 
+    headphone/headset can't output sound automatically, which is different 
+    from ubuntu 18.04. The headphone/headset should be able to  output 
+    sound automatically after plugging in the audio jack.
  
  [Test Case]
- applying the fix patch to pulseaudio, plug a headset/headphone to the multi 
function audio jack, play sound from headset/headphone, the sound could be 
heard from headset/headphone.
  
- [Regression Risk]
- Low, just do a small change to store the ucm devices by their priority. and 
upstream just merged this patch.
+  * Reproduce step:
+    1. plug headphone/headset
+    2. open g-c-c sound to check
+ 
+    Expect result: The output device should switch to headphone or headset, 
+                   since headphone's priority is higher in ucm2 config.
+    Actual result: The output device is still internal speaker.
+    
+ [Regression Potential]
+ 
+  * Low, just do a small change to store the ucm devices by their priority. 
+    and upstream just merged this patch.
+ 
+ [Other]
+ 
+  * This bug originates from an OEM private bug #1875597, then ubuntu users 
+    reported 2 public bugs #1871329 and #1881659. The 2nd issue of #1871329 
+    and the 1st issue of #1881659 have the same root cause as #1875597
+ 
+  * The root cause is the ucm2 conf defines 2 input devices: the Mic2 and 
+    Headset MIC, and the pulseaudio parse the input device Headset MIC 
+    first then Mic2, finally the audio jack is set to Mic2 mode, this make 
+    the audio jack can't output sound anymore. To fix it, let the audio 
+    jack set to Headset MIC mode by default (Headset MIC has higher 
+    priority than Mic2 in the ucm2 conf), to do so, let pulseaudio send the 
+    device event to module-switch-on-port-available by the order of 
+    priority in the umc2.

** Description changed:

  [Impact]
  
-  * On the Dell machines with multi function audio jack, the 
-    headphone/headset can't output sound automatically, which is different 
-    from ubuntu 18.04. The headphone/headset should be able to  output 
-    sound automatically after plugging in the audio jack.
+  * On the Dell machines with multi function audio jack, the
+    headphone/headset can't output sound automatically, which is different
+    from ubuntu 18.04. The headphone/headset should be able to  output
+    sound automatically after plugging in the audio jack.
  
  [Test Case]
  
-  * Reproduce step:
-    1. plug headphone/headset
-    2. open g-c-c sound to check
+  * On Tiger Lake platform
+    Reproduce step:
+    1. plug headphone/headset
+    2. open g-c-c sound to check
  
-    Expect result: The output device should switch to headphone or headset, 
-                   since headphone's priority is higher in ucm2 config.
-    Actual result: The output device is still internal speaker.
-    
+    Expect result: The output device should switch to headphone or headset,
+                   since headphone's priority is higher in ucm2 config.
+    Actual result: The output device is still internal speaker.
+ 
  [Regression Potential]
  
-  * Low, just do a small change to store the ucm devices by their priority. 
-    and upstream just merged this patch.
+  * Low, just do a small change to store the ucm devices by their priority.
+    and upstream just merged this patch.
  
  [Other]
  
-  * This bug originates from an OEM private bug #1875597, then ubuntu users 
-    reported 2 public bugs #1871329 and #1881659. The 2nd issue of #1871329 
-    and the 1st issue of #1881659 have the same root cause as #1875597
+  * This bug originates from an OEM private bug #1875597, then ubuntu users
+    reported 2 public bugs #1871329 and #1881659. The 2nd issue of #1871329
+    and the 1st issue of #1881659 have the same root cause as #1875597
  
-  * The root cause is the ucm2 conf defines 2 input devices: the Mic2 and 
-    Headset MIC, and the pulseaudio parse the input device Headset MIC 
-    first then Mic2, finally the audio jack is set to Mic2 mode, this make 
-    the audio jack can't output sound anymore. To fix it, let the audio 
-    jack set to Headset MIC mode by default (Headset MIC has higher 
-    priority than Mic2 in the ucm2 conf), to do so, let pulseaudio send the 
-    device event to module-switch-on-port-available by the order of 
-    priority in the umc2.
+  * The root cause is the ucm2 conf defines 2 input devices: the Mic2 and
+    Headset MIC, and the pulseaudio parse the input device Headset MIC
+    first then Mic2, finally the audio jack is set to Mic2 mode, this make
+    the audio jack can't output sound anymore. To fix it, let the audio
+    jack set to Headset MIC mode by default (Headset MIC has higher
+    priority than Mic2 in the ucm2 conf), to do so, let pulseaudio send the
+    device event to module-switch-on-port-available by the order of
+    priority in the umc2.

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1882161

Title:
  module-switch-on-port-avaiable: switch the port on ucm devices based
  on the priority

Status in HWE Next:
  New
Status in OEM Priority Project:
  New
Status in pulseaudio package in Ubuntu:
  Fix Released
Status in pulseaudio source package in Focal:
  Fix Committed
Status in pulseaudio source package in Groovy:
  Fix Released

Bug description:
  [Impact]

   * On the Dell machines with multi function audio jack, the
     headphone/headset can't output sound automatically, which is different
     from ubuntu 18.04. The headphone/headset should be able to  output
     sound automatically after plugging in the audio jack.

  [Test Case]

   * On Tiger Lake platform
     Reproduce step:
     1. plug headphone/headset
     2. open g-c-c sound to check

     Expect result: The output device should switch to headphone or headset,
                    since headphone's priority is higher in ucm2 config.
     Actual result: The output device is still internal speaker.

  [Regression Potential]

   * Low, just do a small change to store the ucm devices by their priority.
     and upstream just merged this patch.

  [Other]

   * This bug originates from an OEM private bug #1875597, then ubuntu users
     reported 2 public bugs #1871329 and #1881659. The 2nd issue of #1871329
     and the 1st issue of #1881659 have the same root cause as #1875597

   * The root cause is the ucm2 conf defines 2 input devices: the Mic2 and
     Headset MIC, and the pulseaudio parse the input device Headset MIC
     first then Mic2, finally the audio jack is set to Mic2 mode, this make
     the audio jack can't output sound anymore. To fix it, let the audio
     jack set to Headset MIC mode by default (Headset MIC has higher
     priority than Mic2 in the ucm2 conf), to do so, let pulseaudio send the
     device event to module-switch-on-port-available by the order of
     priority in the umc2.

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