** Description changed:

  [Impact]
  No audio input/output for cs42l43 and cs35l56 on Intel LNL of ThinkPad.
  
  [Fix]
  Add the firmware of cs35l56 and sof-lnl-cs42l43-l0-2ch.tplg
  to enable audio support;
  update alsa-ucm-conf to gain the control of mic/speaker mute LED.
  
  linux-fimware commit:
  9c46d10f8 cirrus: cs35l56: Add and update firmware for various Cirrus CS35L54 
and CS35L56 laptops
  
  sof-bin commit:
  e8604e4 Add 2.12 topology binaries for Intel targets
  
  sof-bin file:
  v2.12.x/sof-ipc4-tplg-v2.12/sof-lnl-cs42l43-l0-2ch.tplg
  
  alsa-ucm-conf commits:
  9e946d4 sof-soundwire: Add LED support for cs35l56 amplifiers
  79c9e8f sof-soundwire: cs42l43: Drop headset mic from mic mute LED
  UPDATE: many more are actually needed, check 
https://bugs.launchpad.net/ubuntu/+source/alsa-ucm-conf/+bug/2106394/comments/32
 and later comments
  
  [Test]
  Tested on Intel LNL:
  1, hear the sound from
  $ speaker-test -c 2
  2, make sound and recorded, replay the file:
  $ arecord -f cd test.wav
  $ aplay test.wav
  3, press speaker-mute and mic-mute key, the OSD are shown,
  and the LED is on when it's muted.
- 4, plugin headset and restest the steps above.
+ 4, plugin headset and restest the steps above for sound input and output.
+ sound ctl led is not controlled by headset, it's by design:
+ please refer to:
+ 
https://github.com/alsa-project/alsa-ucm-conf/blob/master/ucm2/common/ctl/led.conf
+ 
  
  [Where problems could occur]
  It may break cirrus audio support.
  
  Noble/Oracular/Plucky support this platform,  Plucky already got the
  firmware.

-- 
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2106394

Title:
  [SRU] enable cs42l43 and cs35l56 audio on Intel LNL

To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/2106394/+subscriptions


-- 
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to