ALSA: usb-audio: rename substream format field to altset_idx

The snd_usb_substream::format field actually contains the index of the
current alternate setting, so rename it to altset_idx to avoid
confusion.

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 71f03c151030..856d71b7407d 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -54,7 +54,7 @@ struct snd_usb_substream {
         struct audioformat *cur_audiofmt;       /* current audioformat pointer (for hw_params callback) */
         unsigned int cur_rate;          /* current rate (for hw_params callback) */
         unsigned int period_bytes;      /* current period bytes (for hw_params callback) */
-        unsigned int format;     /* USB data format */
+        unsigned int altset_idx;     /* USB data format: index of alternate setting */
         unsigned int datapipe;   /* the data i/o pipe */
         unsigned int syncpipe;   /* 1 - async out or adaptive in */
         unsigned int datainterval;      /* log_2 of data packet interval */