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

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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>
This commit is contained in:
Clemens Ladisch 2010-03-04 19:46:14 +01:00 committed by Takashi Iwai
parent e5779998bf
commit e11b4e0e4f
3 changed files with 6 additions and 6 deletions
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2
sound/usb/card.h
View File

@ -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 */

8
sound/usb/pcm.c
View File

@ -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;

2
sound/usb/proc.c
View File

@ -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);