Do not expose DSD altsetting as a PCM one, even if the descriptor claims it to be PCM instead of special format.
Signed-off-by: Jussi Laako jussi@sonarnerd.net --- sound/usb/format.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/sound/usb/format.c b/sound/usb/format.c index ec95a063beb1..64cfe4a9d8cd 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -34,6 +34,7 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, { int sample_width, sample_bytes; u64 pcm_formats = 0; + u64 dsd_formats = 0;
switch (fp->protocol) { case UAC_VERSION_1: @@ -154,7 +155,9 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, fp->iface, fp->altsetting, format); }
- pcm_formats |= snd_usb_interface_dsd_format_quirks(chip, fp, sample_bytes); + dsd_formats |= snd_usb_interface_dsd_format_quirks(chip, fp, sample_bytes); + if (dsd_formats && !fp->dsd_dop) + pcm_formats = dsd_formats;
return pcm_formats; }