[alsa-devel] [PATCH 1/2] conf/ucm: Add UCM profile for cht-bsw-rt5672 boards

Pierre-Louis Bossart pierre-louis.bossart at linux.intel.com
Tue Sep 3 18:19:59 CEST 2019


>> I can't recall if I did any work here, took default settings from Bard 
>> Liao (when he was a Realtek) or if I just took examples from a 
>> Chromebook UCM file. I know there's a Dell tablet which uses this 
>> codec, but I just can't recall other devices.
> 
> I only have the Lenovo Thinkpad 8 with this codec.
> 
>> Also how does the selection of the configs work, I don't see the same 
>> thing as in bytcr_rt5640/51 to play with the card long name and 
>> quirks. Do you expect the user to select the 'right' configs based on 
>> experimental trial-and-error.
> 
> Like with the chtrt5645 and chtnau8824 there is no need for any
> kernel side quirks depending on the input/output config.
> 
> So the plan is to have a default profile which
> allows selecting all possible inputs / outputs (including
> ones not present) and then have DMI name based profiles,
> like the profile added for the Lenovo Thinkpad 8 in the
> second patch in this series, which only include the
> relevant inputs / outputs for that specific device
> (as we are doing already for the chtrt5645 and chtnau8824
> profiles)

Makes sense, I am not aware of too many devices so DMI would work. I 
have a Dell Venue Pro 5855 which is one of the quirks for this codec.


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