[PATCH] ALSA: hda/realtek: Enable 4-speaker output for Dell XPS 15 9510 laptop

[Takashi Iwai]

On Sun, 15 Aug 2021 00:46:05 +0200,
Kristin Paget wrote:
> 
> The 2021-model XPS 15 appears to use the same 4-speakers-on-ALC289 audio
> setup as the Precision models, so requires the same quirk to enable woofer
> output. Tested on my own 9510.
> 
> Signed-off-by: Kristin Paget <kristin at tombom.co.uk>

It seems that your MUA broken the patch (tabs converted to spaces).
Since it's a trivial oneliner, I applied manually.  But for the next
time, please try to fix your MUA setup.

Thanks!

Takashi