Public bug reported:
The author of this config (pierre-louis.boss...@linux.intel.com)
suggested that we should disable this config from ubuntu artful
kernel, he said, "this is really for test environments or platforms
with a connector. I don't think it should be enabled by default
(better to fail the probe rather than get questions from users that
they have no sound)."
I also investigated this issue on my own, if our kernel is running on
a platform which has a codec and the codec is supported by the
existing driver, enabling this config will not bring side effect;
if the platform has a codec but the codec is not supported by existing
driver yet, the driver will fallback to this NOCODEC_MACH if this
config is enabled, and snd-soc-sst-byt-cht-nocodec.ko will be loaded
into the kernel, then user is easily confused that the kernel driver
is loaded but I can't hear sound from the codec.
** Affects: linux (Ubuntu)
Importance: Critical
Assignee: Hui Wang (hui.wang)
Status: New
** Changed in: linux (Ubuntu)
Importance: Undecided => Critical
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https://bugs.launchpad.net/bugs/1732627
Title:
enable CONFIG_SND_SOC_INTEL_BYT_CHT_NOCODEC_MACH easily confuse users
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