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path: root/sound/usb/usx2y/us122l.c
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Diffstat (limited to 'sound/usb/usx2y/us122l.c')
-rw-r--r--sound/usb/usx2y/us122l.c63
1 files changed, 35 insertions, 28 deletions
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
index 6e1bfe894dd5..e558931cce16 100644
--- a/sound/usb/usx2y/us122l.c
+++ b/sound/usb/usx2y/us122l.c
@@ -49,7 +49,7 @@ static int us122l_create_usbmidi(struct snd_card *card)
static const struct snd_usb_audio_quirk quirk = {
.vendor_name = "US122L",
.product_name = NAME_ALLCAPS,
- .ifnum = 1,
+ .ifnum = 1,
.type = QUIRK_MIDI_US122L,
.data = &quirk_data
};
@@ -71,7 +71,7 @@ static int us144_create_usbmidi(struct snd_card *card)
static const struct snd_usb_audio_quirk quirk = {
.vendor_name = "US144",
.product_name = NAME_ALLCAPS,
- .ifnum = 0,
+ .ifnum = 0,
.type = QUIRK_MIDI_US122L,
.data = &quirk_data
};
@@ -95,6 +95,7 @@ static void pt_info_set(struct usb_device *dev, u8 v)
static void usb_stream_hwdep_vm_open(struct vm_area_struct *area)
{
struct us122l *us122l = area->vm_private_data;
+
atomic_inc(&us122l->mmap_count);
snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
}
@@ -113,9 +114,9 @@ static vm_fault_t usb_stream_hwdep_vm_fault(struct vm_fault *vmf)
goto unlock;
offset = vmf->pgoff << PAGE_SHIFT;
- if (offset < PAGE_ALIGN(s->read_size))
+ if (offset < PAGE_ALIGN(s->read_size)) {
vaddr = (char *)s + offset;
- else {
+ } else {
offset -= PAGE_ALIGN(s->read_size);
if (offset >= PAGE_ALIGN(s->write_size))
goto unlock;
@@ -138,6 +139,7 @@ unlock:
static void usb_stream_hwdep_vm_close(struct vm_area_struct *area)
{
struct us122l *us122l = area->vm_private_data;
+
atomic_dec(&us122l->mmap_count);
snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
}
@@ -148,11 +150,11 @@ static const struct vm_operations_struct usb_stream_hwdep_vm_ops = {
.close = usb_stream_hwdep_vm_close,
};
-
static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file)
{
struct us122l *us122l = hw->private_data;
struct usb_interface *iface;
+
snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
if (hw->used >= 2)
return -EBUSY;
@@ -173,6 +175,7 @@ static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file)
{
struct us122l *us122l = hw->private_data;
struct usb_interface *iface;
+
snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
if (us122l->is_us144) {
@@ -235,7 +238,7 @@ static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw,
struct file *file, poll_table *wait)
{
struct us122l *us122l = hw->private_data;
- unsigned *polled;
+ unsigned int *polled;
__poll_t mask;
poll_wait(file, &us122l->sk.sleep, wait);
@@ -243,6 +246,7 @@ static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw,
mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM | EPOLLERR;
if (mutex_trylock(&us122l->mutex)) {
struct usb_stream *s = us122l->sk.s;
+
if (s && s->state == usb_stream_ready) {
if (us122l->first == file)
polled = &s->periods_polled;
@@ -251,8 +255,9 @@ static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw,
if (*polled != s->periods_done) {
*polled = s->periods_done;
mask = EPOLLIN | EPOLLOUT | EPOLLWRNORM;
- } else
+ } else {
mask = 0;
+ }
}
mutex_unlock(&us122l->mutex);
}
@@ -262,6 +267,7 @@ static __poll_t usb_stream_hwdep_poll(struct snd_hwdep *hw,
static void us122l_stop(struct us122l *us122l)
{
struct list_head *p;
+
list_for_each(p, &us122l->midi_list)
snd_usbmidi_input_stop(p);
@@ -289,11 +295,11 @@ static int us122l_set_sample_rate(struct usb_device *dev, int rate)
}
static bool us122l_start(struct us122l *us122l,
- unsigned rate, unsigned period_frames)
+ unsigned int rate, unsigned int period_frames)
{
struct list_head *p;
int err;
- unsigned use_packsize = 0;
+ unsigned int use_packsize = 0;
bool success = false;
if (us122l->dev->speed == USB_SPEED_HIGH) {
@@ -320,13 +326,13 @@ static bool us122l_start(struct us122l *us122l,
err = us122l_set_sample_rate(us122l->dev, rate);
if (err < 0) {
us122l_stop(us122l);
- snd_printk(KERN_ERR "us122l_set_sample_rate error \n");
+ snd_printk(KERN_ERR "us122l_set_sample_rate error\n");
goto out;
}
err = usb_stream_start(&us122l->sk);
if (err < 0) {
us122l_stop(us122l);
- snd_printk(KERN_ERR "us122l_start error %i \n", err);
+ snd_printk(KERN_ERR "%s error %i\n", __func__, err);
goto out;
}
list_for_each(p, &us122l->midi_list)
@@ -337,12 +343,12 @@ out:
}
static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
- unsigned cmd, unsigned long arg)
+ unsigned int cmd, unsigned long arg)
{
struct usb_stream_config cfg;
struct us122l *us122l = hw->private_data;
struct usb_stream *s;
- unsigned min_period_frames;
+ unsigned int min_period_frames;
int err = 0;
bool high_speed;
@@ -379,13 +385,13 @@ static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
if (cfg.period_frames < min_period_frames)
return -EINVAL;
- snd_power_wait(hw->card, SNDRV_CTL_POWER_D0);
+ snd_power_wait(hw->card);
mutex_lock(&us122l->mutex);
s = us122l->sk.s;
- if (!us122l->master)
+ if (!us122l->master) {
us122l->master = file;
- else if (us122l->master != file) {
+ } else if (us122l->master != file) {
if (!s || memcmp(&cfg, &s->cfg, sizeof(cfg))) {
err = -EIO;
goto unlock;
@@ -431,7 +437,6 @@ static int usb_stream_hwdep_new(struct snd_card *card)
return 0;
}
-
static bool us122l_create_card(struct snd_card *card)
{
int err;
@@ -440,13 +445,13 @@ static bool us122l_create_card(struct snd_card *card)
if (us122l->is_us144) {
err = usb_set_interface(us122l->dev, 0, 1);
if (err) {
- snd_printk(KERN_ERR "usb_set_interface error \n");
+ snd_printk(KERN_ERR "usb_set_interface error\n");
return false;
}
}
err = usb_set_interface(us122l->dev, 1, 1);
if (err) {
- snd_printk(KERN_ERR "usb_set_interface error \n");
+ snd_printk(KERN_ERR "usb_set_interface error\n");
return false;
}
@@ -461,13 +466,14 @@ static bool us122l_create_card(struct snd_card *card)
else
err = us122l_create_usbmidi(card);
if (err < 0) {
- snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err);
+ snd_printk(KERN_ERR "us122l_create_usbmidi error %i\n", err);
goto stop;
}
err = usb_stream_hwdep_new(card);
if (err < 0) {
-/* release the midi resources */
+ /* release the midi resources */
struct list_head *p;
+
list_for_each(p, &us122l->midi_list)
snd_usbmidi_disconnect(p);
@@ -484,7 +490,8 @@ static void snd_us122l_free(struct snd_card *card)
{
struct us122l *us122l = US122L(card);
int index = us122l->card_index;
- if (index >= 0 && index < SNDRV_CARDS)
+
+ if (index >= 0 && index < SNDRV_CARDS)
snd_us122l_card_used[index] = 0;
}
@@ -565,7 +572,7 @@ static int snd_us122l_probe(struct usb_interface *intf,
if (id->driver_info & US122L_FLAG_US144 &&
device->speed == USB_SPEED_HIGH) {
- snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n");
+ snd_printk(KERN_ERR "disable ehci-hcd to run US-144\n");
return -ENODEV;
}
@@ -601,7 +608,7 @@ static void snd_us122l_disconnect(struct usb_interface *intf)
us122l_stop(us122l);
mutex_unlock(&us122l->mutex);
-/* release the midi resources */
+ /* release the midi resources */
list_for_each(p, &us122l->midi_list) {
snd_usbmidi_disconnect(p);
}
@@ -661,13 +668,13 @@ static int snd_us122l_resume(struct usb_interface *intf)
if (us122l->is_us144) {
err = usb_set_interface(us122l->dev, 0, 1);
if (err) {
- snd_printk(KERN_ERR "usb_set_interface error \n");
+ snd_printk(KERN_ERR "usb_set_interface error\n");
goto unlock;
}
}
err = usb_set_interface(us122l->dev, 1, 1);
if (err) {
- snd_printk(KERN_ERR "usb_set_interface error \n");
+ snd_printk(KERN_ERR "usb_set_interface error\n");
goto unlock;
}
@@ -677,7 +684,7 @@ static int snd_us122l_resume(struct usb_interface *intf)
err = us122l_set_sample_rate(us122l->dev,
us122l->sk.s->cfg.sample_rate);
if (err < 0) {
- snd_printk(KERN_ERR "us122l_set_sample_rate error \n");
+ snd_printk(KERN_ERR "us122l_set_sample_rate error\n");
goto unlock;
}
err = usb_stream_start(&us122l->sk);
@@ -717,8 +724,8 @@ static const struct usb_device_id snd_us122l_usb_id_table[] = {
},
{ /* terminator */ }
};
-
MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table);
+
static struct usb_driver snd_us122l_usb_driver = {
.name = "snd-usb-us122l",
.probe = snd_us122l_probe,
generated by cgit (git 2.34.1) at 2024-06-24 05:34:58 +0000