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@xxxxxxxxxx>
--- linux/sound/usb/card.h
+++ linux/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 */
--- linux/sound/usb/pcm.c
+++ linux/sound/usb/pcm.c
@@ -202,11 +202,11 @@ static int set_format(struct snd_usb_sub
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_sub
}
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_p
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;
--- linux/sound/usb/proc.c
+++ linux/sound/usb/proc.c
@@ -116,7 +116,7 @@ static void proc_dump_substream_status(s
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);
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