Commit e11b4e0e authored by Clemens Ladisch's avatar Clemens Ladisch Committed by Takashi Iwai
Browse files

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: default avatarClemens Ladisch <clemens@ladisch.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent e5779998

sound/usb/card.h

+1 −1
Original line number Diff line number Diff line
@@ -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 */

sound/usb/pcm.c

+4 −4
Original line number Diff line number Diff line
@@ -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;

sound/usb/proc.c

+1 −1
Original line number Diff line number Diff line
@@ -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);