[ALSA] timer: formatting changes
Clemens Ladisch [Wed, 12 Oct 2005 15:20:21 +0000 (17:20 +0200)]
Modules: Timer Midlevel

Split or rewrite lines that are longer than 80 characters, and remove
whitespaces at the end of lines.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

sound/core/timer.c

index 488c28a..1b90a38 100644 (file)
@@ -55,7 +55,7 @@ MODULE_PARM_DESC(timer_limit, "Maximum global timers in system.");
 
 typedef struct {
        snd_timer_instance_t *timeri;
-       int tread;                      /* enhanced read with timestamps and events */
+       int tread;              /* enhanced read with timestamps and events */
        unsigned long ticks;
        unsigned long overrun;
        int qhead;
@@ -95,7 +95,8 @@ static void snd_timer_reschedule(snd_timer_t * timer, unsigned long ticks_left);
  * create a timer instance with the given owner string.
  * when timer is not NULL, increments the module counter
  */
-static snd_timer_instance_t *snd_timer_instance_new(char *owner, snd_timer_t *timer)
+static snd_timer_instance_t *snd_timer_instance_new(char *owner,
+                                                   snd_timer_t *timer)
 {
        snd_timer_instance_t *timeri;
        timeri = kzalloc(sizeof(*timeri), GFP_KERNEL);
@@ -192,7 +193,8 @@ static void snd_timer_check_slave(snd_timer_instance_t *slave)
                        if (slave->slave_class == master->slave_class &&
                            slave->slave_id == master->slave_id) {
                                list_del(&slave->open_list);
-                               list_add_tail(&slave->open_list, &master->slave_list_head);
+                               list_add_tail(&slave->open_list,
+                                             &master->slave_list_head);
                                spin_lock_irq(&slave_active_lock);
                                slave->master = master;
                                slave->timer = master->timer;
@@ -225,7 +227,8 @@ static void snd_timer_check_master(snd_timer_instance_t *master)
                        slave->master = master;
                        slave->timer = master->timer;
                        if (slave->flags & SNDRV_TIMER_IFLG_RUNNING)
-                               list_add_tail(&slave->active_list, &master->slave_active_head);
+                               list_add_tail(&slave->active_list,
+                                             &master->slave_active_head);
                        spin_unlock_irq(&slave_active_lock);
                }
        }
@@ -241,7 +244,7 @@ int snd_timer_open(snd_timer_instance_t **ti,
 {
        snd_timer_t *timer;
        snd_timer_instance_t *timeri = NULL;
-       
+
        if (tid->dev_class == SNDRV_TIMER_CLASS_SLAVE) {
                /* open a slave instance */
                if (tid->dev_sclass <= SNDRV_TIMER_SCLASS_NONE ||
@@ -304,7 +307,8 @@ int snd_timer_open(snd_timer_instance_t **ti,
        return 0;
 }
 
-static int _snd_timer_stop(snd_timer_instance_t * timeri, int keep_flag, enum sndrv_timer_event event);
+static int _snd_timer_stop(snd_timer_instance_t * timeri,
+                          int keep_flag, enum sndrv_timer_event event);
 
 /*
  * close a timer instance
@@ -344,7 +348,8 @@ int snd_timer_close(snd_timer_instance_t * timeri)
                spin_unlock_irq(&timer->lock);
                down(&register_mutex);
                list_del(&timeri->open_list);
-               if (timer && list_empty(&timer->open_list_head) && timer->hw.close)
+               if (timer && list_empty(&timer->open_list_head) &&
+                   timer->hw.close)
                        timer->hw.close(timer);
                /* remove slave links */
                list_for_each_safe(p, n, &timeri->slave_list_head) {
@@ -382,7 +387,8 @@ unsigned long snd_timer_resolution(snd_timer_instance_t * timeri)
        return 0;
 }
 
-static void snd_timer_notify1(snd_timer_instance_t *ti, enum sndrv_timer_event event)
+static void snd_timer_notify1(snd_timer_instance_t *ti,
+                             enum sndrv_timer_event event)
 {
        snd_timer_t *timer;
        unsigned long flags;
@@ -392,8 +398,10 @@ static void snd_timer_notify1(snd_timer_instance_t *ti, enum sndrv_timer_event e
        struct timespec tstamp;
 
        getnstimeofday(&tstamp);
-       snd_assert(event >= SNDRV_TIMER_EVENT_START && event <= SNDRV_TIMER_EVENT_PAUSE, return);
-       if (event == SNDRV_TIMER_EVENT_START || event == SNDRV_TIMER_EVENT_CONTINUE)
+       snd_assert(event >= SNDRV_TIMER_EVENT_START &&
+                  event <= SNDRV_TIMER_EVENT_PAUSE, return);
+       if (event == SNDRV_TIMER_EVENT_START ||
+           event == SNDRV_TIMER_EVENT_CONTINUE)
                resolution = snd_timer_resolution(ti);
        if (ti->ccallback)
                ti->ccallback(ti, SNDRV_TIMER_EVENT_START, &tstamp, resolution);
@@ -413,7 +421,8 @@ static void snd_timer_notify1(snd_timer_instance_t *ti, enum sndrv_timer_event e
        spin_unlock_irqrestore(&timer->lock, flags);
 }
 
-static int snd_timer_start1(snd_timer_t *timer, snd_timer_instance_t *timeri, unsigned long sticks)
+static int snd_timer_start1(snd_timer_t *timer, snd_timer_instance_t *timeri,
+                           unsigned long sticks)
 {
        list_del(&timeri->active_list);
        list_add_tail(&timeri->active_list, &timer->active_list_head);
@@ -440,14 +449,15 @@ static int snd_timer_start_slave(snd_timer_instance_t *timeri)
        spin_lock_irqsave(&slave_active_lock, flags);
        timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;
        if (timeri->master)
-               list_add_tail(&timeri->active_list, &timeri->master->slave_active_head);
+               list_add_tail(&timeri->active_list,
+                             &timeri->master->slave_active_head);
        spin_unlock_irqrestore(&slave_active_lock, flags);
        return 1; /* delayed start */
 }
 
 /*
  *  start the timer instance
- */ 
+ */
 int snd_timer_start(snd_timer_instance_t * timeri, unsigned int ticks)
 {
        snd_timer_t *timer;
@@ -473,7 +483,8 @@ int snd_timer_start(snd_timer_instance_t * timeri, unsigned int ticks)
        return result;
 }
 
-static int _snd_timer_stop(snd_timer_instance_t * timeri, int keep_flag, enum sndrv_timer_event event)
+static int _snd_timer_stop(snd_timer_instance_t * timeri,
+                          int keep_flag, enum sndrv_timer_event event)
 {
        snd_timer_t *timer;
        unsigned long flags;
@@ -507,7 +518,8 @@ static int _snd_timer_stop(snd_timer_instance_t * timeri, int keep_flag, enum sn
                }
        }
        if (!keep_flag)
-               timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING|SNDRV_TIMER_IFLG_START);
+               timeri->flags &=
+                       ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);
        spin_unlock_irqrestore(&timer->lock, flags);
       __end:
        if (event != SNDRV_TIMER_EVENT_RESOLUTION)
@@ -625,7 +637,7 @@ static void snd_timer_tasklet(unsigned long arg)
 
                /* remove from ack_list and make empty */
                list_del_init(p);
-               
+
                ticks = ti->pticks;
                ti->pticks = 0;
                resolution = ti->resolution;
@@ -650,7 +662,7 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
 {
        snd_timer_instance_t *ti, *ts;
        unsigned long resolution, ticks;
-       struct list_head *p, *q, *n;
+       struct list_head *p, *q, *n, *ack_list_head;
        int use_tasklet = 0;
 
        if (timer == NULL)
@@ -665,8 +677,9 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
                resolution = timer->hw.resolution;
 
        /* loop for all active instances
-        * here we cannot use list_for_each because the active_list of a processed
-        * instance is relinked to done_list_head before callback is called.
+        * Here we cannot use list_for_each because the active_list of a
+        * processed instance is relinked to done_list_head before the callback
+        * is called.
         */
        list_for_each_safe(p, n, &timer->active_list_head) {
                ti = list_entry(p, snd_timer_instance_t, active_list);
@@ -687,26 +700,19 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
                        if (--timer->running)
                                list_del(p);
                }
-               if (list_empty(&ti->ack_list)) {
-                       if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) ||
-                           (ti->flags & SNDRV_TIMER_IFLG_FAST)) {
-                               list_add_tail(&ti->ack_list, &timer->ack_list_head);
-                       } else {
-                               list_add_tail(&ti->ack_list, &timer->sack_list_head);
-                       }
-               }
+               if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) ||
+                   (ti->flags & SNDRV_TIMER_IFLG_FAST))
+                       ack_list_head = &timer->ack_list_head;
+               else
+                       ack_list_head = &timer->sack_list_head;
+               if (list_empty(&ti->ack_list))
+                       list_add_tail(&ti->ack_list, ack_list_head);
                list_for_each(q, &ti->slave_active_head) {
                        ts = list_entry(q, snd_timer_instance_t, active_list);
                        ts->pticks = ti->pticks;
                        ts->resolution = resolution;
-                       if (list_empty(&ts->ack_list)) {
-                               if ((timer->hw.flags & SNDRV_TIMER_HW_TASKLET) ||
-                                   (ti->flags & SNDRV_TIMER_IFLG_FAST)) {
-                                       list_add_tail(&ts->ack_list, &timer->ack_list_head);
-                               } else {
-                                       list_add_tail(&ts->ack_list, &timer->sack_list_head);
-                               }
-                       }
+                       if (list_empty(&ts->ack_list))
+                               list_add_tail(&ts->ack_list, ack_list_head);
                }
        }
        if (timer->flags & SNDRV_TIMER_FLG_RESCHED)
@@ -730,10 +736,10 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
        while (!list_empty(&timer->ack_list_head)) {
                p = timer->ack_list_head.next;          /* get first item */
                ti = list_entry(p, snd_timer_instance_t, ack_list);
-               
+
                /* remove from ack_list and make empty */
                list_del_init(p);
-               
+
                ticks = ti->pticks;
                ti->pticks = 0;
 
@@ -757,7 +763,8 @@ void snd_timer_interrupt(snd_timer_t * timer, unsigned long ticks_left)
 
  */
 
-int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid, snd_timer_t ** rtimer)
+int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid,
+                 snd_timer_t **rtimer)
 {
        snd_timer_t *timer;
        int err;
@@ -785,10 +792,12 @@ int snd_timer_new(snd_card_t *card, char *id, snd_timer_id_t *tid, snd_timer_t *
        INIT_LIST_HEAD(&timer->ack_list_head);
        INIT_LIST_HEAD(&timer->sack_list_head);
        spin_lock_init(&timer->lock);
-       tasklet_init(&timer->task_queue, snd_timer_tasklet, (unsigned long)timer);
+       tasklet_init(&timer->task_queue, snd_timer_tasklet,
+                    (unsigned long)timer);
        if (card != NULL) {
                timer->module = card->module;
-               if ((err = snd_device_new(card, SNDRV_DEV_TIMER, timer, &ops)) < 0) {
+               err = snd_device_new(card, SNDRV_DEV_TIMER, timer, &ops);
+               if (err < 0) {
                        snd_timer_free(timer);
                        return err;
                }
@@ -818,7 +827,8 @@ static int snd_timer_dev_register(snd_device_t *dev)
        snd_timer_t *timer1;
        struct list_head *p;
 
-       snd_assert(timer != NULL && timer->hw.start != NULL && timer->hw.stop != NULL, return -ENXIO);
+       snd_assert(timer != NULL && timer->hw.start != NULL &&
+                  timer->hw.stop != NULL, return -ENXIO);
        if (!(timer->hw.flags & SNDRV_TIMER_HW_SLAVE) &&
            !timer->hw.resolution && timer->hw.c_resolution == NULL)
                return -EINVAL;
@@ -879,7 +889,8 @@ static int snd_timer_dev_unregister(snd_device_t *device)
        return snd_timer_unregister(timer);
 }
 
-void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct timespec *tstamp)
+void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event,
+                     struct timespec *tstamp)
 {
        unsigned long flags;
        unsigned long resolution = 0;
@@ -888,7 +899,8 @@ void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct t
 
        if (! (timer->hw.flags & SNDRV_TIMER_HW_SLAVE))
                return;
-       snd_assert(event >= SNDRV_TIMER_EVENT_MSTART && event <= SNDRV_TIMER_EVENT_MRESUME, return);
+       snd_assert(event >= SNDRV_TIMER_EVENT_MSTART &&
+                  event <= SNDRV_TIMER_EVENT_MRESUME, return);
        spin_lock_irqsave(&timer->lock, flags);
        if (event == SNDRV_TIMER_EVENT_MSTART ||
            event == SNDRV_TIMER_EVENT_MCONTINUE ||
@@ -917,7 +929,7 @@ void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct t
 int snd_timer_global_new(char *id, int device, snd_timer_t **rtimer)
 {
        snd_timer_id_t tid;
-       
+
        tid.dev_class = SNDRV_TIMER_CLASS_GLOBAL;
        tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
        tid.card = -1;
@@ -945,7 +957,7 @@ int snd_timer_global_unregister(snd_timer_t *timer)
        return snd_timer_unregister(timer);
 }
 
-/* 
+/*
  *  System timer
  */
 
@@ -1021,7 +1033,8 @@ static int snd_timer_register_system(void)
        struct snd_timer_system_private *priv;
        int err;
 
-       if ((err = snd_timer_global_new("system", SNDRV_TIMER_GLOBAL_SYSTEM, &timer)) < 0)
+       err = snd_timer_global_new("system", SNDRV_TIMER_GLOBAL_SYSTEM, &timer);
+       if (err < 0)
                return err;
        strcpy(timer->name, "system timer");
        timer->hw = snd_timer_system;
@@ -1058,27 +1071,35 @@ static void snd_timer_proc_read(snd_info_entry_t *entry,
                        snd_iprintf(buffer, "G%i: ", timer->tmr_device);
                        break;
                case SNDRV_TIMER_CLASS_CARD:
-                       snd_iprintf(buffer, "C%i-%i: ", timer->card->number, timer->tmr_device);
+                       snd_iprintf(buffer, "C%i-%i: ",
+                                   timer->card->number, timer->tmr_device);
                        break;
                case SNDRV_TIMER_CLASS_PCM:
-                       snd_iprintf(buffer, "P%i-%i-%i: ", timer->card->number, timer->tmr_device, timer->tmr_subdevice);
+                       snd_iprintf(buffer, "P%i-%i-%i: ", timer->card->number,
+                                   timer->tmr_device, timer->tmr_subdevice);
                        break;
                default:
-                       snd_iprintf(buffer, "?%i-%i-%i-%i: ", timer->tmr_class, timer->card ? timer->card->number : -1, timer->tmr_device, timer->tmr_subdevice);
+                       snd_iprintf(buffer, "?%i-%i-%i-%i: ", timer->tmr_class,
+                                   timer->card ? timer->card->number : -1,
+                                   timer->tmr_device, timer->tmr_subdevice);
                }
                snd_iprintf(buffer, "%s :", timer->name);
                if (timer->hw.resolution)
-                       snd_iprintf(buffer, " %lu.%03luus (%lu ticks)", timer->hw.resolution / 1000, timer->hw.resolution % 1000, timer->hw.ticks);
+                       snd_iprintf(buffer, " %lu.%03luus (%lu ticks)",
+                                   timer->hw.resolution / 1000,
+                                   timer->hw.resolution % 1000,
+                                   timer->hw.ticks);
                if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)
                        snd_iprintf(buffer, " SLAVE");
                snd_iprintf(buffer, "\n");
                spin_lock_irqsave(&timer->lock, flags);
                list_for_each(q, &timer->open_list_head) {
                        ti = list_entry(q, snd_timer_instance_t, open_list);
-                       snd_iprintf(buffer, "  Client %s : %s : lost interrupts %li\n",
-                                       ti->owner ? ti->owner : "unknown",
-                                       ti->flags & (SNDRV_TIMER_IFLG_START|SNDRV_TIMER_IFLG_RUNNING) ? "running" : "stopped",
-                                       ti->lost);
+                       snd_iprintf(buffer, "  Client %s : %s\n",
+                                   ti->owner ? ti->owner : "unknown",
+                                   ti->flags & (SNDRV_TIMER_IFLG_START |
+                                                SNDRV_TIMER_IFLG_RUNNING)
+                                   ? "running" : "stopped");
                }
                spin_unlock_irqrestore(&timer->lock, flags);
        }
@@ -1096,7 +1117,7 @@ static void snd_timer_user_interrupt(snd_timer_instance_t *timeri,
        snd_timer_user_t *tu = timeri->callback_data;
        snd_timer_read_t *r;
        int prev;
-       
+
        spin_lock(&tu->qlock);
        if (tu->qused > 0) {
                prev = tu->qtail == 0 ? tu->queue_size - 1 : tu->qtail - 1;
@@ -1121,7 +1142,8 @@ static void snd_timer_user_interrupt(snd_timer_instance_t *timeri,
        wake_up(&tu->qchange_sleep);
 }
 
-static void snd_timer_user_append_to_tqueue(snd_timer_user_t *tu, snd_timer_tread_t *tread)
+static void snd_timer_user_append_to_tqueue(snd_timer_user_t *tu,
+                                           snd_timer_tread_t *tread)
 {
        if (tu->qused >= tu->queue_size) {
                tu->overrun++;
@@ -1140,7 +1162,8 @@ static void snd_timer_user_ccallback(snd_timer_instance_t *timeri,
        snd_timer_user_t *tu = timeri->callback_data;
        snd_timer_tread_t r1;
 
-       if (event >= SNDRV_TIMER_EVENT_START && event <= SNDRV_TIMER_EVENT_PAUSE)
+       if (event >= SNDRV_TIMER_EVENT_START &&
+           event <= SNDRV_TIMER_EVENT_PAUSE)
                tu->tstamp = *tstamp;
        if ((tu->filter & (1 << event)) == 0 || !tu->tread)
                return;
@@ -1165,13 +1188,15 @@ static void snd_timer_user_tinterrupt(snd_timer_instance_t *timeri,
 
        memset(&tstamp, 0, sizeof(tstamp));
        spin_lock(&tu->qlock);
-       if ((tu->filter & ((1 << SNDRV_TIMER_EVENT_RESOLUTION)|(1 << SNDRV_TIMER_EVENT_TICK))) == 0) {
+       if ((tu->filter & ((1 << SNDRV_TIMER_EVENT_RESOLUTION) |
+                          (1 << SNDRV_TIMER_EVENT_TICK))) == 0) {
                spin_unlock(&tu->qlock);
                return;
        }
        if (tu->last_resolution != resolution || ticks > 0)
                getnstimeofday(&tstamp);
-       if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) && tu->last_resolution != resolution) {
+       if ((tu->filter & (1 << SNDRV_TIMER_EVENT_RESOLUTION)) &&
+           tu->last_resolution != resolution) {
                r1.event = SNDRV_TIMER_EVENT_RESOLUTION;
                r1.tstamp = tstamp;
                r1.val = resolution;
@@ -1209,7 +1234,7 @@ static void snd_timer_user_tinterrupt(snd_timer_instance_t *timeri,
 static int snd_timer_user_open(struct inode *inode, struct file *file)
 {
        snd_timer_user_t *tu;
-       
+
        tu = kzalloc(sizeof(*tu), GFP_KERNEL);
        if (tu == NULL)
                return -ENOMEM;
@@ -1218,7 +1243,8 @@ static int snd_timer_user_open(struct inode *inode, struct file *file)
        init_MUTEX(&tu->tread_sem);
        tu->ticks = 1;
        tu->queue_size = 128;
-       tu->queue = (snd_timer_read_t *)kmalloc(tu->queue_size * sizeof(snd_timer_read_t), GFP_KERNEL);
+       tu->queue = kmalloc(tu->queue_size * sizeof(snd_timer_read_t),
+                           GFP_KERNEL);
        if (tu->queue == NULL) {
                kfree(tu);
                return -ENOMEM;
@@ -1267,7 +1293,7 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid)
        snd_timer_id_t id;
        snd_timer_t *timer;
        struct list_head *p;
-       
+
        if (copy_from_user(&id, _tid, sizeof(id)))
                return -EFAULT;
        down(&register_mutex);
@@ -1308,7 +1334,11 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid)
                                        if (id.device < 0) {
                                                id.device = 0;
                                        } else {
-                                               id.subdevice = id.subdevice < 0 ? 0 : id.subdevice + 1;
+                                               if (id.subdevice < 0) {
+                                                       id.subdevice = 0;
+                                               } else {
+                                                       id.subdevice++;
+                                               }
                                        }
                                }
                        }
@@ -1352,9 +1382,10 @@ static int snd_timer_user_next_device(snd_timer_id_t __user *_tid)
        if (copy_to_user(_tid, &id, sizeof(*_tid)))
                return -EFAULT;
        return 0;
-} 
+}
 
-static int snd_timer_user_ginfo(struct file *file, snd_timer_ginfo_t __user *_ginfo)
+static int snd_timer_user_ginfo(struct file *file,
+                               snd_timer_ginfo_t __user *_ginfo)
 {
        snd_timer_ginfo_t *ginfo;
        snd_timer_id_t tid;
@@ -1398,7 +1429,8 @@ static int snd_timer_user_ginfo(struct file *file, snd_timer_ginfo_t __user *_gi
        return err;
 }
 
-static int snd_timer_user_gparams(struct file *file, snd_timer_gparams_t __user *_gparams)
+static int snd_timer_user_gparams(struct file *file,
+                                 snd_timer_gparams_t __user *_gparams)
 {
        snd_timer_gparams_t gparams;
        snd_timer_t *t;
@@ -1408,23 +1440,26 @@ static int snd_timer_user_gparams(struct file *file, snd_timer_gparams_t __user
                return -EFAULT;
        down(&register_mutex);
        t = snd_timer_find(&gparams.tid);
-       if (t != NULL) {
-               if (list_empty(&t->open_list_head)) {
-                       if (t->hw.set_period)
-                               err = t->hw.set_period(t, gparams.period_num, gparams.period_den);
-                       else
-                               err = -ENOSYS;
-               } else {
-                       err = -EBUSY;
-               }
-       } else {
+       if (!t) {
                err = -ENODEV;
+               goto _error;
+       }
+       if (!list_empty(&t->open_list_head)) {
+               err = -EBUSY;
+               goto _error;
+       }
+       if (!t->hw.set_period) {
+               err = -ENOSYS;
+               goto _error;
        }
+       err = t->hw.set_period(t, gparams.period_num, gparams.period_den);
+_error:
        up(&register_mutex);
        return err;
 }
 
-static int snd_timer_user_gstatus(struct file *file, snd_timer_gstatus_t __user *_gstatus)
+static int snd_timer_user_gstatus(struct file *file,
+                                 snd_timer_gstatus_t __user *_gstatus)
 {
        snd_timer_gstatus_t gstatus;
        snd_timer_id_t tid;
@@ -1444,7 +1479,8 @@ static int snd_timer_user_gstatus(struct file *file, snd_timer_gstatus_t __user
                else
                        gstatus.resolution = t->hw.resolution;
                if (t->hw.precise_resolution) {
-                       t->hw.precise_resolution(t, &gstatus.resolution_num, &gstatus.resolution_den);
+                       t->hw.precise_resolution(t, &gstatus.resolution_num,
+                                                &gstatus.resolution_den);
                } else {
                        gstatus.resolution_num = gstatus.resolution;
                        gstatus.resolution_den = 1000000000uL;
@@ -1458,13 +1494,14 @@ static int snd_timer_user_gstatus(struct file *file, snd_timer_gstatus_t __user
        return err;
 }
 
-static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *_tselect)
+static int snd_timer_user_tselect(struct file *file,
+                                 snd_timer_select_t __user *_tselect)
 {
        snd_timer_user_t *tu;
        snd_timer_select_t tselect;
        char str[32];
        int err = 0;
-       
+
        tu = file->private_data;
        down(&tu->tread_sem);
        if (tu->timeri) {
@@ -1478,7 +1515,8 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *
        sprintf(str, "application %i", current->pid);
        if (tselect.id.dev_class != SNDRV_TIMER_CLASS_SLAVE)
                tselect.id.dev_sclass = SNDRV_TIMER_SCLASS_APPLICATION;
-       if ((err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid)) < 0)
+       err = snd_timer_open(&tu->timeri, str, &tselect.id, current->pid);
+       if (err < 0)
                goto __err;
 
        kfree(tu->queue);
@@ -1486,21 +1524,24 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *
        kfree(tu->tqueue);
        tu->tqueue = NULL;
        if (tu->tread) {
-               tu->tqueue = (snd_timer_tread_t *)kmalloc(tu->queue_size * sizeof(snd_timer_tread_t), GFP_KERNEL);
+               tu->tqueue = kmalloc(tu->queue_size * sizeof(snd_timer_tread_t),
+                                    GFP_KERNEL);
                if (tu->tqueue == NULL)
                        err = -ENOMEM;
        } else {
-               tu->queue = (snd_timer_read_t *)kmalloc(tu->queue_size * sizeof(snd_timer_read_t), GFP_KERNEL);
+               tu->queue = kmalloc(tu->queue_size * sizeof(snd_timer_read_t),
+                                   GFP_KERNEL);
                if (tu->queue == NULL)
                        err = -ENOMEM;
        }
-       
+
        if (err < 0) {
                snd_timer_close(tu->timeri);
                tu->timeri = NULL;
        } else {
                tu->timeri->flags |= SNDRV_TIMER_IFLG_FAST;
-               tu->timeri->callback = tu->tread ? snd_timer_user_tinterrupt : snd_timer_user_interrupt;
+               tu->timeri->callback = tu->tread
+                       ? snd_timer_user_tinterrupt : snd_timer_user_interrupt;
                tu->timeri->ccallback = snd_timer_user_ccallback;
                tu->timeri->callback_data = (void *)tu;
        }
@@ -1510,7 +1551,8 @@ static int snd_timer_user_tselect(struct file *file, snd_timer_select_t __user *
        return err;
 }
 
-static int snd_timer_user_info(struct file *file, snd_timer_info_t __user *_info)
+static int snd_timer_user_info(struct file *file,
+                              snd_timer_info_t __user *_info)
 {
        snd_timer_user_t *tu;
        snd_timer_info_t *info;
@@ -1537,7 +1579,8 @@ static int snd_timer_user_info(struct file *file, snd_timer_info_t __user *_info
        return err;
 }
 
-static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_params)
+static int snd_timer_user_params(struct file *file,
+                                snd_timer_params_t __user *_params)
 {
        snd_timer_user_t *tu;
        snd_timer_params_t params;
@@ -1545,7 +1588,7 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
        snd_timer_read_t *tr;
        snd_timer_tread_t *ttr;
        int err;
-       
+
        tu = file->private_data;
        snd_assert(tu->timeri != NULL, return -ENXIO);
        t = tu->timeri->timer;
@@ -1556,7 +1599,8 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
                err = -EINVAL;
                goto _end;
        }
-       if (params.queue_size > 0 && (params.queue_size < 32 || params.queue_size > 1024)) {
+       if (params.queue_size > 0 &&
+           (params.queue_size < 32 || params.queue_size > 1024)) {
                err = -EINVAL;
                goto _end;
        }
@@ -1589,16 +1633,19 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
        if (params.flags & SNDRV_TIMER_PSFLG_EARLY_EVENT)
                tu->timeri->flags |= SNDRV_TIMER_IFLG_EARLY_EVENT;
        spin_unlock_irq(&t->lock);
-       if (params.queue_size > 0 && (unsigned int)tu->queue_size != params.queue_size) {
+       if (params.queue_size > 0 &&
+           (unsigned int)tu->queue_size != params.queue_size) {
                if (tu->tread) {
-                       ttr = (snd_timer_tread_t *)kmalloc(params.queue_size * sizeof(snd_timer_tread_t), GFP_KERNEL);
+                       ttr = kmalloc(params.queue_size * sizeof(*ttr),
+                                     GFP_KERNEL);
                        if (ttr) {
                                kfree(tu->tqueue);
                                tu->queue_size = params.queue_size;
                                tu->tqueue = ttr;
                        }
                } else {
-                       tr = (snd_timer_read_t *)kmalloc(params.queue_size * sizeof(snd_timer_read_t), GFP_KERNEL);
+                       tr = kmalloc(params.queue_size * sizeof(*tr),
+                                    GFP_KERNEL);
                        if (tr) {
                                kfree(tu->queue);
                                tu->queue_size = params.queue_size;
@@ -1622,7 +1669,6 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
                        tu->qused++;
                        tu->qtail++;
                }
-               
        }
        tu->filter = params.filter;
        tu->ticks = params.ticks;
@@ -1633,11 +1679,12 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_
        return err;
 }
 
-static int snd_timer_user_status(struct file *file, snd_timer_status_t __user *_status)
+static int snd_timer_user_status(struct file *file,
+                                snd_timer_status_t __user *_status)
 {
        snd_timer_user_t *tu;
        snd_timer_status_t status;
-       
+
        tu = file->private_data;
        snd_assert(tu->timeri != NULL, return -ENXIO);
        memset(&status, 0, sizeof(status));
@@ -1657,7 +1704,7 @@ static int snd_timer_user_start(struct file *file)
 {
        int err;
        snd_timer_user_t *tu;
-               
+
        tu = file->private_data;
        snd_assert(tu->timeri != NULL, return -ENXIO);
        snd_timer_stop(tu->timeri);
@@ -1670,7 +1717,7 @@ static int snd_timer_user_stop(struct file *file)
 {
        int err;
        snd_timer_user_t *tu;
-               
+
        tu = file->private_data;
        snd_assert(tu->timeri != NULL, return -ENXIO);
        return (err = snd_timer_stop(tu->timeri)) < 0 ? err : 0;
@@ -1680,7 +1727,7 @@ static int snd_timer_user_continue(struct file *file)
 {
        int err;
        snd_timer_user_t *tu;
-               
+
        tu = file->private_data;
        snd_assert(tu->timeri != NULL, return -ENXIO);
        tu->timeri->lost = 0;
@@ -1691,7 +1738,7 @@ static int snd_timer_user_pause(struct file *file)
 {
        int err;
        snd_timer_user_t *tu;
-               
+
        tu = file->private_data;
        snd_assert(tu->timeri != NULL, return -ENXIO);
        return (err = snd_timer_pause(tu->timeri)) < 0 ? err : 0;
@@ -1704,12 +1751,13 @@ enum {
        SNDRV_TIMER_IOCTL_PAUSE_OLD = _IO('T', 0x23),
 };
 
-static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static long snd_timer_user_ioctl(struct file *file, unsigned int cmd,
+                                unsigned long arg)
 {
        snd_timer_user_t *tu;
        void __user *argp = (void __user *)arg;
        int __user *p = argp;
-       
+
        tu = file->private_data;
        switch (cmd) {
        case SNDRV_TIMER_IOCTL_PVERSION:
@@ -1719,7 +1767,7 @@ static long snd_timer_user_ioctl(struct file *file, unsigned int cmd, unsigned l
        case SNDRV_TIMER_IOCTL_TREAD:
        {
                int xarg;
-               
+
                down(&tu->tread_sem);
                if (tu->timeri) {       /* too late */
                        up(&tu->tread_sem);
@@ -1767,7 +1815,7 @@ static int snd_timer_user_fasync(int fd, struct file * file, int on)
 {
        snd_timer_user_t *tu;
        int err;
-       
+
        tu = file->private_data;
        err = fasync_helper(fd, file, on, &tu->fasync);
         if (err < 0)
@@ -1775,12 +1823,13 @@ static int snd_timer_user_fasync(int fd, struct file * file, int on)
        return 0;
 }
 
-static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, size_t count, loff_t *offset)
+static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
+                                  size_t count, loff_t *offset)
 {
        snd_timer_user_t *tu;
        long result = 0, unit;
        int err = 0;
-       
+
        tu = file->private_data;
        unit = tu->tread ? sizeof(snd_timer_tread_t) : sizeof(snd_timer_read_t);
        spin_lock_irq(&tu->qlock);
@@ -1814,12 +1863,14 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, size_
                        goto _error;
 
                if (tu->tread) {
-                       if (copy_to_user(buffer, &tu->tqueue[tu->qhead++], sizeof(snd_timer_tread_t))) {
+                       if (copy_to_user(buffer, &tu->tqueue[tu->qhead++],
+                                        sizeof(snd_timer_tread_t))) {
                                err = -EFAULT;
                                goto _error;
                        }
                } else {
-                       if (copy_to_user(buffer, &tu->queue[tu->qhead++], sizeof(snd_timer_read_t))) {
+                       if (copy_to_user(buffer, &tu->queue[tu->qhead++],
+                                        sizeof(snd_timer_read_t))) {
                                err = -EFAULT;
                                goto _error;
                        }
@@ -1846,7 +1897,7 @@ static unsigned int snd_timer_user_poll(struct file *file, poll_table * wait)
         tu = file->private_data;
 
         poll_wait(file, &tu->qchange_sleep, wait);
-       
+
        mask = 0;
        if (tu->qused)
                mask |= POLLIN | POLLRDNORM;
@@ -1890,9 +1941,11 @@ static int __init alsa_timer_init(void)
        snd_info_entry_t *entry;
 
 #ifdef SNDRV_OSS_INFO_DEV_TIMERS
-       snd_oss_info_register(SNDRV_OSS_INFO_DEV_TIMERS, SNDRV_CARDS - 1, "system timer");
+       snd_oss_info_register(SNDRV_OSS_INFO_DEV_TIMERS, SNDRV_CARDS - 1,
+                             "system timer");
 #endif
-       if ((entry = snd_info_create_module_entry(THIS_MODULE, "timers", NULL)) != NULL) {
+       entry = snd_info_create_module_entry(THIS_MODULE, "timers", NULL);
+       if (entry != NULL) {
                entry->c.text.read_size = SNDRV_TIMER_DEVICES * 128;
                entry->c.text.read = snd_timer_proc_read;
                if (snd_info_register(entry) < 0) {
@@ -1902,10 +1955,12 @@ static int __init alsa_timer_init(void)
        }
        snd_timer_proc_entry = entry;
        if ((err = snd_timer_register_system()) < 0)
-               snd_printk(KERN_ERR "unable to register system timer (%i)\n", err);
+               snd_printk(KERN_ERR "unable to register system timer (%i)\n",
+                          err);
        if ((err = snd_register_device(SNDRV_DEVICE_TYPE_TIMER,
                                        NULL, 0, &snd_timer_reg, "timer"))<0)
-               snd_printk(KERN_ERR "unable to register timer device (%i)\n", err);
+               snd_printk(KERN_ERR "unable to register timer device (%i)\n",
+                          err);
        return 0;
 }