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Some of those devices support DSD playback and some do not. I'm not totally comfortable adding the first ever zero-quirks device entry to the quirk flags table, but it does appear to have worked. This patch preserves the current assumption that all of this vendor's devices will support DSD unless explicitly disabled in this way. I will ask them if that is a good assumption and if they can give me a list of existing USB pids and whether they are DSD devices. Cc: Yue Wang Phil Willoughby (1): NeuralDSP Quad Cortex isn't a DSD Device sound/usb/quirks.c | 2 ++ 1 file changed, 2 insertions(+) -- 2.53.0