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path: root/drivers/staging/line6/pcm.c
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Diffstat (limited to 'drivers/staging/line6/pcm.c')
-rw-r--r--drivers/staging/line6/pcm.c132
1 files changed, 73 insertions, 59 deletions
diff --git a/drivers/staging/line6/pcm.c b/drivers/staging/line6/pcm.c
index 0eac29123f77..8fb5596efe9e 100644
--- a/drivers/staging/line6/pcm.c
+++ b/drivers/staging/line6/pcm.c
@@ -1,5 +1,5 @@
/*
- * Line6 Linux USB driver - 0.9.0
+ * Line6 Linux USB driver - 0.9.1beta
*
* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
*
@@ -21,10 +21,9 @@
#include "playback.h"
#include "pod.h"
-
#ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE
-static struct snd_line6_pcm* dev2pcm(struct device *dev)
+static struct snd_line6_pcm *dev2pcm(struct device *dev)
{
struct usb_interface *interface = to_usb_interface(dev);
struct usb_line6 *line6 = usb_get_intfdata(interface);
@@ -36,8 +35,7 @@ static struct snd_line6_pcm* dev2pcm(struct device *dev)
"read" request on "impulse_volume" special file.
*/
static ssize_t pcm_get_impulse_volume(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+ struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%d\n", dev2pcm(dev)->impulse_volume);
}
@@ -53,7 +51,7 @@ static ssize_t pcm_set_impulse_volume(struct device *dev,
int value = simple_strtoul(buf, NULL, 10);
line6pcm->impulse_volume = value;
- if(value > 0)
+ if (value > 0)
line6_pcm_start(line6pcm, MASK_PCM_IMPULSE);
else
line6_pcm_stop(line6pcm, MASK_PCM_IMPULSE);
@@ -65,8 +63,7 @@ static ssize_t pcm_set_impulse_volume(struct device *dev,
"read" request on "impulse_period" special file.
*/
static ssize_t pcm_get_impulse_period(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+ struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%d\n", dev2pcm(dev)->impulse_period);
}
@@ -82,87 +79,100 @@ static ssize_t pcm_set_impulse_period(struct device *dev,
return count;
}
-static DEVICE_ATTR(impulse_volume, S_IWUGO | S_IRUGO, pcm_get_impulse_volume, pcm_set_impulse_volume);
-static DEVICE_ATTR(impulse_period, S_IWUGO | S_IRUGO, pcm_get_impulse_period, pcm_set_impulse_period);
+static DEVICE_ATTR(impulse_volume, S_IWUGO | S_IRUGO, pcm_get_impulse_volume,
+ pcm_set_impulse_volume);
+static DEVICE_ATTR(impulse_period, S_IWUGO | S_IRUGO, pcm_get_impulse_period,
+ pcm_set_impulse_period);
#endif
int line6_pcm_start(struct snd_line6_pcm *line6pcm, int channels)
{
- unsigned long flags_old = __sync_fetch_and_or(&line6pcm->flags, channels);
+ unsigned long flags_old =
+ __sync_fetch_and_or(&line6pcm->flags, channels);
unsigned long flags_new = flags_old | channels;
int err = 0;
#if LINE6_BACKUP_MONITOR_SIGNAL
if (!(line6pcm->line6->properties->capabilities & LINE6_BIT_HWMON)) {
- line6pcm->prev_fbuf = kmalloc(LINE6_ISO_PACKETS * line6pcm->max_packet_size, GFP_KERNEL);
+ line6pcm->prev_fbuf =
+ kmalloc(LINE6_ISO_PACKETS * line6pcm->max_packet_size,
+ GFP_KERNEL);
if (!line6pcm->prev_fbuf) {
- dev_err(line6pcm->line6->ifcdev, "cannot malloc monitor buffer\n");
+ dev_err(line6pcm->line6->ifcdev,
+ "cannot malloc monitor buffer\n");
return -ENOMEM;
}
}
#else
line6pcm->prev_fbuf = NULL;
#endif
-
+
if (((flags_old & MASK_CAPTURE) == 0) &&
((flags_new & MASK_CAPTURE) != 0)) {
/*
- Waiting for completion of active URBs in the stop handler is
- a bug, we therefore report an error if capturing is restarted
- too soon.
- */
- if(line6pcm->active_urb_in | line6pcm->unlink_urb_in)
+ Waiting for completion of active URBs in the stop handler is
+ a bug, we therefore report an error if capturing is restarted
+ too soon.
+ */
+ if (line6pcm->active_urb_in | line6pcm->unlink_urb_in)
return -EBUSY;
- line6pcm->buffer_in = kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * line6pcm->max_packet_size, GFP_KERNEL);
+ line6pcm->buffer_in =
+ kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS *
+ line6pcm->max_packet_size, GFP_KERNEL);
if (!line6pcm->buffer_in) {
- dev_err(line6pcm->line6->ifcdev, "cannot malloc capture buffer\n");
+ dev_err(line6pcm->line6->ifcdev,
+ "cannot malloc capture buffer\n");
return -ENOMEM;
}
line6pcm->count_in = 0;
line6pcm->prev_fsize = 0;
err = line6_submit_audio_in_all_urbs(line6pcm);
-
+
if (err < 0) {
__sync_fetch_and_and(&line6pcm->flags, ~channels);
return err;
}
}
-
+
if (((flags_old & MASK_PLAYBACK) == 0) &&
((flags_new & MASK_PLAYBACK) != 0)) {
/*
- See comment above regarding PCM restart.
- */
- if(line6pcm->active_urb_out | line6pcm->unlink_urb_out)
+ See comment above regarding PCM restart.
+ */
+ if (line6pcm->active_urb_out | line6pcm->unlink_urb_out)
return -EBUSY;
- line6pcm->buffer_out = kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * line6pcm->max_packet_size, GFP_KERNEL);
+ line6pcm->buffer_out =
+ kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS *
+ line6pcm->max_packet_size, GFP_KERNEL);
if (!line6pcm->buffer_out) {
- dev_err(line6pcm->line6->ifcdev, "cannot malloc playback buffer\n");
+ dev_err(line6pcm->line6->ifcdev,
+ "cannot malloc playback buffer\n");
return -ENOMEM;
}
line6pcm->count_out = 0;
err = line6_submit_audio_out_all_urbs(line6pcm);
-
+
if (err < 0) {
__sync_fetch_and_and(&line6pcm->flags, ~channels);
return err;
}
}
-
+
return 0;
}
int line6_pcm_stop(struct snd_line6_pcm *line6pcm, int channels)
{
- unsigned long flags_old = __sync_fetch_and_and(&line6pcm->flags, ~channels);
+ unsigned long flags_old =
+ __sync_fetch_and_and(&line6pcm->flags, ~channels);
unsigned long flags_new = flags_old & ~channels;
if (((flags_old & MASK_CAPTURE) != 0) &&
@@ -178,7 +188,6 @@ int line6_pcm_stop(struct snd_line6_pcm *line6pcm, int channels)
kfree(line6pcm->buffer_out);
line6pcm->buffer_out = NULL;
}
-
#if LINE6_BACKUP_MONITOR_SIGNAL
if (line6pcm->prev_fbuf != NULL)
kfree(line6pcm->prev_fbuf);
@@ -223,8 +232,8 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
break;
default:
- dev_err(line6pcm->line6->ifcdev, "Unknown stream direction %d\n",
- s->stream);
+ dev_err(line6pcm->line6->ifcdev,
+ "Unknown stream direction %d\n", s->stream);
}
}
@@ -264,8 +273,10 @@ static int snd_line6_control_playback_put(struct snd_kcontrol *kcontrol,
struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);
for (i = 2; i--;)
- if (line6pcm->volume_playback[i] != ucontrol->value.integer.value[i]) {
- line6pcm->volume_playback[i] = ucontrol->value.integer.value[i];
+ if (line6pcm->volume_playback[i] !=
+ ucontrol->value.integer.value[i]) {
+ line6pcm->volume_playback[i] =
+ ucontrol->value.integer.value[i];
changed = 1;
}
@@ -315,8 +326,8 @@ static int snd_line6_new_pcm(struct snd_line6_pcm *line6pcm)
int err;
err = snd_pcm_new(line6pcm->line6->card,
- (char *)line6pcm->line6->properties->name,
- 0, 1, 1, &pcm);
+ (char *)line6pcm->line6->properties->name,
+ 0, 1, 1, &pcm);
if (err < 0)
return err;
@@ -328,13 +339,13 @@ static int snd_line6_new_pcm(struct snd_line6_pcm *line6pcm)
/* set operators */
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&snd_line6_playback_ops);
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
- &snd_line6_capture_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_line6_capture_ops);
/* pre-allocation of buffers */
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS,
- snd_dma_continuous_data(GFP_KERNEL),
- 64 * 1024, 128 * 1024);
+ snd_dma_continuous_data
+ (GFP_KERNEL), 64 * 1024,
+ 128 * 1024);
return 0;
}
@@ -350,7 +361,7 @@ static int snd_line6_pcm_free(struct snd_device *device)
*/
static void pcm_disconnect_substream(struct snd_pcm_substream *substream)
{
- if(substream->runtime && snd_pcm_running(substream)) {
+ if (substream->runtime && snd_pcm_running(substream)) {
snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);
}
}
@@ -360,8 +371,10 @@ static void pcm_disconnect_substream(struct snd_pcm_substream *substream)
*/
void line6_pcm_disconnect(struct snd_line6_pcm *line6pcm)
{
- pcm_disconnect_substream(get_substream(line6pcm, SNDRV_PCM_STREAM_CAPTURE));
- pcm_disconnect_substream(get_substream(line6pcm, SNDRV_PCM_STREAM_PLAYBACK));
+ pcm_disconnect_substream(get_substream
+ (line6pcm, SNDRV_PCM_STREAM_CAPTURE));
+ pcm_disconnect_substream(get_substream
+ (line6pcm, SNDRV_PCM_STREAM_PLAYBACK));
line6_unlink_wait_clear_audio_out_urbs(line6pcm);
line6_unlink_wait_clear_audio_in_urbs(line6pcm);
}
@@ -382,7 +395,7 @@ int line6_init_pcm(struct usb_line6 *line6,
struct snd_line6_pcm *line6pcm;
if (!(line6->properties->capabilities & LINE6_BIT_PCM))
- return 0; /* skip PCM initialization and report success */
+ return 0; /* skip PCM initialization and report success */
/* initialize PCM subsystem based on product id: */
switch (line6->product) {
@@ -392,18 +405,18 @@ int line6_init_pcm(struct usb_line6 *line6,
case LINE6_DEVID_PODXT:
case LINE6_DEVID_PODXTLIVE:
case LINE6_DEVID_PODXTPRO:
- ep_read = 0x82;
+ ep_read = 0x82;
ep_write = 0x01;
break;
case LINE6_DEVID_PODX3:
case LINE6_DEVID_PODX3LIVE:
- ep_read = 0x86;
+ ep_read = 0x86;
ep_write = 0x02;
break;
case LINE6_DEVID_POCKETPOD:
- ep_read = 0x82;
+ ep_read = 0x82;
ep_write = 0x02;
break;
@@ -414,17 +427,17 @@ int line6_init_pcm(struct usb_line6 *line6,
case LINE6_DEVID_TONEPORT_GX:
case LINE6_DEVID_TONEPORT_UX1:
case LINE6_DEVID_TONEPORT_UX2:
- ep_read = 0x82;
+ ep_read = 0x82;
ep_write = 0x01;
break;
/* this is for interface_number == 1:
- case LINE6_DEVID_TONEPORT_UX2:
- case LINE6_DEVID_PODSTUDIO_UX2:
- ep_read = 0x87;
- ep_write = 0x00;
- break;
- */
+ case LINE6_DEVID_TONEPORT_UX2:
+ case LINE6_DEVID_PODSTUDIO_UX2:
+ ep_read = 0x87;
+ ep_write = 0x00;
+ break;
+ */
default:
MISSING_CASE;
@@ -442,8 +455,7 @@ int line6_init_pcm(struct usb_line6 *line6,
line6pcm->ep_audio_write = ep_write;
line6pcm->max_packet_size = usb_maxpacket(line6->usbdev,
usb_rcvintpipe(line6->usbdev,
- ep_read),
- 0);
+ ep_read), 0);
line6pcm->properties = properties;
line6->line6pcm = line6pcm;
@@ -471,7 +483,9 @@ int line6_init_pcm(struct usb_line6 *line6,
return err;
/* mixer: */
- err = snd_ctl_add(line6->card, snd_ctl_new1(&line6_control_playback, line6pcm));
+ err =
+ snd_ctl_add(line6->card,
+ snd_ctl_new1(&line6_control_playback, line6pcm));
if (err < 0)
return err;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 09:18:57 +0000