On 01/31/2016 07:51 AM, Tobias Mädel wrote: > Hello, > > we're currently trying to get the new bytcr_rt5651 driver to run on a > TrekStor SurfTab wintron 7.0 (x86 tablet). > > Unlike the previous driver for the rt5640 chipset, the new bytcr_rt5651 > driver actually detects the card out-of-the-box. Good to know. > > This is the dmesg output on the device: > bytcr_rt5651: snd-soc-dummy-dai <-> media-cpu-dai mapping ok > bytcr_rt5651: snd-soc-dummy-dai <-> deepbuffer-cpu-dai mapping ok > bytcr_rt5651: Invalid direction for compress P 0, C 0 > bytcr_rt5651: ASoC: can't create compress Compress > bytcr_rt5651: ASoC: failed to instantiate card -22 > bytcr_rt5651: devm_snd_soc_register_card failed -22 > bytcr_rt5651: probe of bytcr_rt5651 failed with error -22 > > So -- apparently it is successfully initializing 2 of the DAIs, but it > can't find the Compress-DAI. My first guess would just be to try and > disable the Compress DAI in the code just for debugging, but I'm sure > that there's a better way. > > I'm running a bleeding edge kernel build from the main linux git tree, > build from yesterday's github.com/torvalds/linux.git repo. > > Does anyone have any ideas on how to get alsa to detect the card properly? > > Here's the complete dmesg output: > https://gist.github.com/Manawyrm/70d90e95e9c578a7fb26 This is weird. I checked the DSDT tables and couldn't see anything blatantly wrong. If there was a problem with the compress DAI it would show on other platforms as well. It could also be a configuration issue with bad controls, I put my UCM configuration on github plbosssart/UCM/, you may want to look into this as well. -Pierre _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
