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>

3 files changed, 6 insertions, 6 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 */
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 87863ccf9068..c3d5a977cfed 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -202,11 +202,11 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
                         return -EIO;
                 }
                 subs->interface = -1;
-                subs->format = 0;
+                subs->altset_idx = 0;
         }
 
         /* set interface */
-        if (subs->interface != fmt->iface || subs->format != fmt->altset_idx) {
+        if (subs->interface != fmt->iface || subs->altset_idx != fmt->altset_idx) {
                 if (usb_set_interface(dev, fmt->iface, fmt->altsetting) < 0) {
                         snd_printk(KERN_ERR "%d:%d:%d: usb_set_interface failed\n",
                                    dev->devnum, fmt->iface, fmt->altsetting);
@@ -214,7 +214,7 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
                 }
                 snd_printdd(KERN_INFO "setting usb interface %d:%d\n", fmt->iface, fmt->altsetting);
                 subs->interface = fmt->iface;
-                subs->format = fmt->altset_idx;
+                subs->altset_idx = fmt->altset_idx;
         }
 
         /* create a data pipe */
@@ -771,7 +771,7 @@ static int snd_usb_pcm_open(struct snd_pcm_substream *substream, int direction)
         struct snd_usb_substream *subs = &as->substream[direction];
 
         subs->interface = -1;
-        subs->format = 0;
+        subs->altset_idx = 0;
         runtime->hw = snd_usb_hardware;
         runtime->private_data = subs;
         subs->pcm_substream = substream;
diff --git a/sound/usb/proc.c b/sound/usb/proc.c
index be3065ea1afa..78fc3ba2522c 100644
--- a/sound/usb/proc.c
+++ b/sound/usb/proc.c
@@ -116,7 +116,7 @@ static void proc_dump_substream_status(struct snd_usb_substream *subs, struct sn
                 unsigned int i;
                 snd_iprintf(buffer, "  Status: Running\n");
                 snd_iprintf(buffer, "    Interface = %d\n", subs->interface);
-                snd_iprintf(buffer, "    Altset = %d\n", subs->format);
+                snd_iprintf(buffer, "    Altset = %d\n", subs->altset_idx);
                 snd_iprintf(buffer, "    URBs = %d [ ", subs->nurbs);
                 for (i = 0; i < subs->nurbs; i++)
                         snd_iprintf(buffer, "%d ", subs->dataurb[i].packets);