[SRU][mainline build kernel][Kconfig] enable the Intel SDW audio machine driver

Hui Wang hui.wang at canonical.com
Wed May 19 03:04:25 UTC 2021


BugLink: https://bugs.launchpad.net/bugs/1921632

This SRU is for mainline build kernel 5.13-rc3 and future versions. 
Since this is the mainline kernel Kconfig changes, there is no patch for 
this SRU, I put the changes here:

+CONFIG_SND_SOC_INTEL_SOUNDWIRE_SOF_MACH=m
-# CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES is not set
+CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES=y
+CONFIG_SND_SOC_RT1308=m


[Impact]
Ubuntu users ran the kernel on the Dell soundwire audio machines, the 
dmesg shows the audio machine driver is not found, then the audio fails 
to initialize

[Fix]
Enable the intel soundwire audio machine driver and some related codec 
driver.

[Test]
Install the kernel and check the /boot/config-5.13.0-0-$version-generic, 
the intel SDW audio machine driver is enabled.

[Where problems could occur]
This could possibly introduce the building failure, I tested it, so far 
no failure.




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