Onboard Speaker does not work and Internal Mic (DMIC) isn't detected on Dell Latitude 7350 Detachable

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alsa-project/alsa-ucm-conf issue #424 was edited from DeepHarsora-Dell:

Installed Fedora Rawhide on Dell Latitude 7350 Detachable resulting in no-audio output from onboard speaker and in-built mic (DMIC) can't be detected. (SKU - 0x0C64)

Updated the SUT with the following

1. Topology built rightly.
2. Noticed proper SOF Machine driver in upstream as on v.6.10-rc1, able to load the topology.
3. Updated the UCM2 config files as per [[ALSA_UCM_README]](https://github.com/alsa-project/alsa-ucm-conf/blob/master/README.md)

Below is the error found while alsaucm reload

[linuxengg@fedora ~]$ sudo alsaucm reload
ALSA lib ucm_subs.c:807:(uc_mgr_get_substituted_value) variable '${var:__RegEx}' is not defined in this context!
ALSA lib parser.c:2024:(parse_verb_file) error: /sof-soundwire/HiFi.conf failed to parse device ALSA lib main.c:1554:(snd_use_case_mgr_open) error: failed to import hw:0 use case configuration -22
alsaucm: error failed to open sound card hw:0: Invalid argument

Issue URL     : https://github.com/alsa-project/alsa-ucm-conf/issues/424
Repository URL: https://github.com/alsa-project/alsa-ucm-conf



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