[alsa-devel] ASUS T100TAM UCM

[Pierre-Louis Bossart]

> Thanks Pierre. I'm aware of the work done previously on Asus T100. Not 
> sure, if Asus T100TAM is any significantly different. Just tried your 
> suggested commands as root user:
> 
> # alsaucm -c bytcr-rt5640 set _verb HiFi set _enadev Headphones
> ALSA lib ucm_subs.c:215:(uc_mgr_get_substituted_value) variable 
> '${CardComponents}' is not defined in this context!
> ALSA lib main.c:960:(snd_use_case_mgr_open) error: failed to import 
> bytcr-rt5640 use case configuration -22
> alsaucm: error failed to open sound card bytcr-rt5640: Invalid argument
> 
> # alsaucm -c bytcr-rt5640 set _verb HiFi set _enadev Speaker
> ALSA lib ucm_subs.c:215:(uc_mgr_get_substituted_value) variable 
> '${CardComponents}' is not defined in this context!
> ALSA lib main.c:960:(snd_use_case_mgr_open) error: failed to import 
> bytcr-rt5640 use case configuration -22
> alsaucm: error failed to open sound card bytcr-rt5640: Invalid argument
> 
> I also tried this:
> 
> # alsaucm listcards
> ALSA lib utils.c:261:(uc_mgr_config_load) could not open configuration 
> file /usr/share/alsa/ucm2/HDA Intel PCH/HDA Intel PCH.conf
> alsaucm: error failed to get card list: No such file or directory
> 
> There really is no such file "HDA Intel PCH.conf" in HDA Intel PCH 
> directory, but I do not see any such file in the alsa-ucm-conf package 
> downloaded from origin Alsa site.

can you point us to the alsa-info results then? It could indeed be a 
completely different hardware, where you only have HDaudio support (no 
I2S codecs), in which case you shouldn't need UCM.