** Description changed:

- When playing sound via nv hdmi, the sound is distorted.
+ [Impact]
+ When playing back the sound via nv hdmi, the sound is distorted, that is 
because
+ the osp1-b kernel backported the patch 
9b6f7e7a296e17990aae298c809b001e99ddd151
+ ALSA: hda: program stripe bits for controller, but we didn't backport a 
follow-up
+ patch 053b055948e97268771de11f2ab9b2aa1640b68d ALSA: hda: program stripe 
control for codec
+ 
+ [Fix]
+ backport the missing patch 053b055948e97268771de11f2ab9b2aa1640b68d
+ ALSA: hda: program stripe control for codec
+ 
+ [Test Case]
+ set the machine to performance mode, boot up, plug the hdmi cable, and
+ choose nv hdmi as the output device, play sound, the sound is normal
+ 
+ [Regression Risk]
+ Low. It is specific to the codec with stripe capability (nv hdmi codec).

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https://bugs.launchpad.net/bugs/1838243

Title:
  alsa/hdmi: the sound is distorted when playing via nvidia hdmi

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