Fix common misspellings

Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index 917e405..150cb7e 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -253,7 +253,7 @@
  * snd_pcm_lib_preallocate_pages - pre-allocation for the given DMA type
  * @substream: the pcm substream instance
  * @type: DMA type (SNDRV_DMA_TYPE_*)
- * @data: DMA type dependant data
+ * @data: DMA type dependent data
  * @size: the requested pre-allocation size in bytes
  * @max: the max. allowed pre-allocation size
  *
@@ -278,10 +278,10 @@
 EXPORT_SYMBOL(snd_pcm_lib_preallocate_pages);
 
 /**
- * snd_pcm_lib_preallocate_pages_for_all - pre-allocation for continous memory type (all substreams)
+ * snd_pcm_lib_preallocate_pages_for_all - pre-allocation for continuous memory type (all substreams)
  * @pcm: the pcm instance
  * @type: DMA type (SNDRV_DMA_TYPE_*)
- * @data: DMA type dependant data
+ * @data: DMA type dependent data
  * @size: the requested pre-allocation size in bytes
  * @max: the max. allowed pre-allocation size
  *
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index fe5c803..1a07750 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -460,7 +460,7 @@
 				   PM_QOS_CPU_DMA_LATENCY, usecs);
 	return 0;
  _error:
-	/* hardware might be unuseable from this time,
+	/* hardware might be unusable from this time,
 	   so we force application to retry to set
 	   the correct hardware parameter settings */
 	runtime->status->state = SNDRV_PCM_STATE_OPEN;
diff --git a/sound/core/seq/seq_dummy.c b/sound/core/seq/seq_dummy.c
index f3bdc54..1d7d90c 100644
--- a/sound/core/seq/seq_dummy.c
+++ b/sound/core/seq/seq_dummy.c
@@ -50,7 +50,7 @@
 
 	option snd-seq-dummy ports=4
 
-  The modle option "duplex=1" enables duplex operation to the port.
+  The model option "duplex=1" enables duplex operation to the port.
   In duplex mode, a pair of ports are created instead of single port,
   and events are tunneled between pair-ports.  For example, input to
   port A is sent to output port of another port B and vice versa.
diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c
index a89948a..a39d3d8 100644
--- a/sound/core/vmaster.c
+++ b/sound/core/vmaster.c
@@ -233,7 +233,7 @@
  * Add a slave control to the group with the given master control
  *
  * All slaves must be the same type (returning the same information
- * via info callback).  The fucntion doesn't check it, so it's your
+ * via info callback).  The function doesn't check it, so it's your
  * responsibility.
  *
  * Also, some additional limitations: