ucm2: Qualcomm: add Dell XPS 9345

ucm2: Qualcomm: add Dell XPS 9345

[GitHub pull_request - opened]

alsa-project/alsa-ucm-conf pull request #587 was opened from alexVinarskis:

Add a Regex string, seems to be mostly compatible with Yoga Slim7x. x4 speakers, x2 DMICs (unlike Yoga's 4), x2 DP, no headphone jack. DMI_info evaluates to `Dell Inc.-XPS-0DXPNM`. It appears to be okay to re-use Yoga, as [only 2 microphone channels are considered](https://github.com/alsa-project/alsa-ucm-conf/blob/master/ucm2/Qualcomm/x1e80100/Slim7x-HiFi.conf#L40-L43).

Audio part of Dell XPS 9345 DT is available [out of tree](https://github.com/alexVinarskis/linux-x1e80100-dell-tributo), will be submitted to the lists shortly. audioreach-topology was [merged a while ago](https://github.com/linux-msm/audioreach-topology/pull/20).

Tested that speakers, MICs are working.

**Known issues:** L and R sides are swapped due to kernel driver not taking DT labels into account just yet, and particular platform having WSAs connected to different soundwires interfaces than the rest of x1e80100 devices. Identified by Abel Vesa at Linaro. Fix will be on the kernel and/or DT side.

Request URL   : https://github.com/alsa-project/alsa-ucm-conf/pull/587
Patch URL     : https://github.com/alsa-project/alsa-ucm-conf/pull/587.patch
Repository URL: https://github.com/alsa-project/alsa-ucm-conf