ALSA: usb-audio: use a format bitmask per alternate setting

In preparation for USB audio 2.0 support, change the audioformat
structure so that it uses a bitmask to specify possible formats.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/usb/card.h b/sound/usb/card.h
index 856d71b7407d..ed92420c1095 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -9,7 +9,7 @@
 
 struct audioformat {
         struct list_head list;
-        snd_pcm_format_t format;        /* format type */
+        u64 formats;                    /* ALSA format bits */
         unsigned int channels;          /* # channels */
         unsigned int fmt_type;          /* USB audio format type (1-3) */
         unsigned int frame_size;        /* samples per frame for non-audio */