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| author | Jussi Laako <jussi@sonarnerd.net> | 2018-06-13 01:43:01 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-06-13 07:45:38 +0200 |
| commit | 3a572d94bcff98a14c94fe686881a169a26f3fca (patch) | |
| tree | 9ad5db93be9d9a27537e85fd3ae4d14e0c830637 /sound/usb/format.c | |
| parent | c7273bd6c1922adcfd3ed5783c1fa69aa075f0f8 (diff) | |
| download | linux-3a572d94bcff98a14c94fe686881a169a26f3fca.tar.gz linux-3a572d94bcff98a14c94fe686881a169a26f3fca.tar.bz2 linux-3a572d94bcff98a14c94fe686881a169a26f3fca.zip | |
ALSA: usb-audio: Add native DSD support for Mytek DACs
Add new mostly generic code with Mytek VID to support native DSD mode.
This implementation should be easier to maintain when manufacturers
release new products.
Signed-off-by: Jussi Laako <jussi@sonarnerd.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/format.c')
| -rw-r--r-- | sound/usb/format.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/usb/format.c b/sound/usb/format.c index 49e7ec6d2399..0a2a27f2854d 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -64,8 +64,11 @@ static u64 parse_audio_format_i_type(struct snd_usb_audio *chip, sample_width = fmt->bBitResolution; sample_bytes = fmt->bSubslotSize; - if (format & UAC2_FORMAT_TYPE_I_RAW_DATA) + if (format & UAC2_FORMAT_TYPE_I_RAW_DATA) { pcm_formats |= SNDRV_PCM_FMTBIT_SPECIAL; + /* flag potentially raw DSD capable altsettings */ + fp->dsd_raw = true; + } format <<= 1; break; |