Yes，I got firmware fw_sst_22a8.bin from http://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git -b BSW. From the source code of cht_bsw_rt5672.c and rt5672.c, the codec should support S24_LE format, but I found S16_LE is the only format that supported by the codec (from the hw_param). So the format S16_LE issue will influence the sst firmare ?
Probably not. look in cht_codec_init() the tdm slots are configured with 24 bit outputs.
So far it's not clear how far you've got with your series of emails. Did you do past the firmware timeout? Did you get past the prepare step with all mixers configured? Is there no sound despite the data streaming normally?
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