[ALSA] timer: formatting changes

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>

1 files changed, 167 insertions, 112 deletions

diff --git a/sound/core/timer.c b/sound/core/timer.c
index 488c28ac56c0..1b90a38d10ff 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -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;
 }