diff --git a/audio/drivers/tinyalsa.c b/audio/drivers/tinyalsa.c
index ab56004527..8ebb39741b 100644
--- a/audio/drivers/tinyalsa.c
+++ b/audio/drivers/tinyalsa.c
@@ -1060,7 +1060,7 @@ static int pcm_set_config(struct pcm *pcm, const struct pcm_config *config)
     memset(&sparams, 0, sizeof(sparams));
     sparams.tstamp_mode = SNDRV_PCM_TSTAMP_ENABLE;
     sparams.period_step = 1;
-    sparams.avail_min = 1;
+    sparams.avail_min   = 1;
 
     if (!config->start_threshold)
     {
@@ -1126,15 +1126,17 @@ static int pcm_hw_mmap_status(struct pcm *pcm)
 
    page_size = sysconf(_SC_PAGE_SIZE);
 
-   pcm->mmap_status = (snd_pcm_mmap_status*)mmap(NULL, page_size, PROT_READ, MAP_FILE | MAP_SHARED,
-         pcm->fd, SNDRV_PCM_MMAP_OFFSET_STATUS);
+   pcm->mmap_status = (struct snd_pcm_mmap_status*)
+      mmap(NULL, page_size, PROT_READ, MAP_FILE | MAP_SHARED,
+            pcm->fd, SNDRV_PCM_MMAP_OFFSET_STATUS);
    if (pcm->mmap_status == MAP_FAILED)
       pcm->mmap_status = NULL;
    if (!pcm->mmap_status)
       goto mmap_error;
 
-   pcm->mmap_control = (snd_pcm_mmap_control*)mmap(NULL, page_size, PROT_READ | PROT_WRITE,
-         MAP_FILE | MAP_SHARED, pcm->fd, SNDRV_PCM_MMAP_OFFSET_CONTROL);
+   pcm->mmap_control = (struct snd_pcm_mmap_control*)
+      mmap(NULL, page_size, PROT_READ | PROT_WRITE,
+            MAP_FILE | MAP_SHARED, pcm->fd, SNDRV_PCM_MMAP_OFFSET_CONTROL);
    if (pcm->mmap_control == MAP_FAILED)
       pcm->mmap_control = NULL;
    if (!pcm->mmap_control)
@@ -1149,7 +1151,8 @@ static int pcm_hw_mmap_status(struct pcm *pcm)
 
 mmap_error:
 
-   pcm->sync_ptr = (snd_pcm_sync_ptr*)calloc(1, sizeof(*pcm->sync_ptr));
+   pcm->sync_ptr = (struct snd_pcm_sync_ptr*)
+      calloc(1, sizeof(*pcm->sync_ptr));
    if (!pcm->sync_ptr)
       return -ENOMEM;
    pcm->mmap_status = &pcm->sync_ptr->s.status;
@@ -1815,7 +1818,8 @@ static struct pcm *pcm_open(unsigned int card, unsigned int device,
       goto fail_close;
 
    rc = pcm_hw_mmap_status(pcm);
-   if (rc < 0) {
+   if (rc < 0)
+   {
       oops(pcm, rc, "mmap status failed");
       goto fail;
    }