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RE: Audio CHIP ALC3266 support on Linux - Dell XPS 15 9550 - Disaster


I won't comment about the specific Realtek Alc3266 chip, as I have no information about it one way or the other, but I agree wholeheartedly with the sentiment. For as long as I have been doing this, Dell laptop owners have had to come up with workaround fixes for audio issues that should have never left the factory.

This chip is actually available on other than Dell XPS series, but Alienware, etc. But even Windows users are having continuous problems with this ***. When you put into google this chip code name you will find mostly Dell XPS problems reported :-))) 

I like this article about it:

I like the idea, but that would be a major audio feature addition. For years the trend has been in the opposite direction, to eliminate hardware audio features, and to try to make up for it with software like the Realtek/Waves software. The thinking seems to be that fewer people are serious about audio now, not enough to cater to, in my opinion.
You are right, this could be seen as step beck. On the other hand, even in XPS 15 is the sound card installed as isolated special board, but unlike Wifi, not in standardized form. So actually Dell still uses sound card like special physical card which could be unmounted.
This might not be relevant, but one poster mentioned using Linux Mint with an XPS 9350 but didn't say anything about headphones problems like what you are having with your 9550. They should be similar models except for the screen size. A lot of 9550 owners have had to get the audio jack circuit board replaced to resolve headphone issues (in Windows).
Yes, 9350 had its own issue as well, but to me 9550 looks is even worse ( I have it already for 12 months)
After spending lots of time to resolve all issues, I failover to USB external audio card...
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