diff options
| author | Daniel Mack <zonque@gmail.com> | 2013-03-17 20:07:26 +0800 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-03-18 08:47:21 +0100 |
| commit | 0959f22ee66734c212fc733f7616ba321ef7f47f (patch) | |
| tree | 1bb9cdde03db0ff1043511d4e633174030afed22 /sound/usb/pcm.c | |
| parent | 717bfb5f46f0ee809f6ce04ebdf44521730fff05 (diff) | |
ALSA: snd-usb: add delay quirk for "Playback Design" products
"Playback Design" products need a 50ms delay after setting the USB
interface.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-by: Andreas Koch <andreas@akdesigninc.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/pcm.c')
| -rw-r--r-- | sound/usb/pcm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index f94397b42aa5..c263991b3b9d 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -350,6 +350,13 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt) fmt->iface, fmt->altsetting); subs->interface = fmt->iface; subs->altset_idx = fmt->altset_idx; + + /* + * "Playback Design" products need a 50ms delay after setting the + * USB interface. + */ + if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) + mdelay(50); } subs->data_endpoint = snd_usb_add_endpoint(subs->stream->chip, |