On Wed, 14 Jun 2023 13:33:50 +0200, Lukasz Tyl wrote: > > This commit adds new DEVICE_FLG with QUIRK_FLAG_DSD_RAW and Vendor Id for > HEM devices which supports native DSD. Prior to this change Linux kernel > was not enabling native DSD playback for HEM devices, and as a result, > DSD audio was being converted to PCM "on the fly". HEM devices, > when connected to the system, would only play audio in PCM format, > even if the source material was in DSD format. With the addition of new > VENDOR_FLG in the quircks.c file, the devices are now correctly > recognized, and raw DSD data is transmitted to the device, > allowing for native DSD playback. > > Signed-off-by: Lukasz Tyl <ltyl@xxxxxxxxx> > --- > sound/usb/quirks.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c > index 3ecd1ba7fd4b..1414bf15ac21 100644 > --- a/sound/usb/quirks.c > +++ b/sound/usb/quirks.c > @@ -2197,6 +2197,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { > QUIRK_FLAG_DSD_RAW), > VENDOR_FLG(0xc502, /* HiBy devices */ > QUIRK_FLAG_DSD_RAW), > + VENDOR_FLG(0x3336, /* HEM devices */ > + QUIRK_FLAG_DSD_RAW), The entry is sorted in vendor id number. Could you try to put at the right position? thanks, Takashi