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

Seth Forshee seth.forshee at canonical.com
Thu May 20 13:40:00 UTC 2021


On Wed, May 19, 2021 at 09:12:23AM +0200, Stefan Bader wrote:
> On 19.05.21 05:04, Hui Wang wrote:
> > 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.
> > 
> > 
> Mainline kernels are _UNSUPPORTED_. No SRU.

However you probably do want to submit this config change for unstable,
which does not have the configs set as you specify above.

Seth



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