Fix misspellings of "system", "controller", "interrupt" and "necessary".

Fix the various misspellings of "system", controller", "interrupt" and
"[un]necessary".

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>

sound/core/seq/seq_midi_emul.c

@@ -71,7 +71,7 @@ static void reset_all_channels(struct snd_midi_channel_set *chset);
  * such as GM, GS and XG.
  * There modes that this module will run in are:
  *   Generic MIDI - no interpretation at all, it will just save current values
- *                  of controlers etc.
+ *                  of controllers etc.
  *   GM - You can use all gm_ prefixed elements of chan.  Controls, RPN, NRPN,
  *        SysEx will be interpreded as defined in General Midi.
  *   GS - You can use all gs_ prefixed elements of chan. Codes for GS will be
@@ -176,7 +176,7 @@ snd_midi_process_event(struct snd_midi_op *ops,
 				   ev->data.control.value);
 		break;
 	case SNDRV_SEQ_EVENT_NONREGPARAM:
-		/* Break it back into its controler values */
+		/* Break it back into its controller values */
 		chan->param_type = SNDRV_MIDI_PARAM_TYPE_NONREGISTERED;
 		chan->control[MIDI_CTL_MSB_DATA_ENTRY]
 			= (ev->data.control.value >> 7) & 0x7f;
@@ -189,7 +189,7 @@ snd_midi_process_event(struct snd_midi_op *ops,
 		nrpn(ops, drv, chan, chanset);
 		break;
 	case SNDRV_SEQ_EVENT_REGPARAM:
-		/* Break it back into its controler values */
+		/* Break it back into its controller values */
 		chan->param_type = SNDRV_MIDI_PARAM_TYPE_REGISTERED;
 		chan->control[MIDI_CTL_MSB_DATA_ENTRY]
 			= (ev->data.control.value >> 7) & 0x7f;
@@ -267,7 +267,7 @@ note_off(struct snd_midi_op *ops, void *drv, struct snd_midi_channel *chan,
 }
 
 /*
- * Do all driver independent operations for this controler and pass
+ * Do all driver independent operations for this controller and pass
  * events that need to take place immediately to the driver.
  */
 static void

sound/drivers/opl3/opl3_midi.c

@@ -808,7 +808,7 @@ static void snd_opl3_pitch_ctrl(struct snd_opl3 *opl3, struct snd_midi_channel *
 }
 
 /*
- * Deal with a controler type event.  This includes all types of
+ * Deal with a controller type event.  This includes all types of
  * control events, not just the midi controllers
  */
 void snd_opl3_control(void *p, int type, struct snd_midi_channel *chan)

sound/isa/es18xx.c

@@ -623,7 +623,7 @@ static int snd_es18xx_capture_prepare(struct snd_pcm_substream *substream)
                          (snd_pcm_format_width(runtime->format) == 16 ? 0x04 : 0x00) |
                          (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x20));
 
-        /* Set DMA controler */
+        /* Set DMA controller */
         snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT);
 
 	return 0;
@@ -689,7 +689,7 @@ static int snd_es18xx_playback2_prepare(struct snd_es18xx *chip,
                          (snd_pcm_format_width(runtime->format) == 16 ? 0x04 : 0x00) |
                          (snd_pcm_format_unsigned(runtime->format) ? 0x00 : 0x20));
 
-        /* Set DMA controler */
+        /* Set DMA controller */
         snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT);
 
 	return 0;

sound/mips/au1x00.c

@@ -498,8 +498,8 @@ snd_au1000_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 	int             i;
 
 	spin_lock(&au1000->ac97_lock);
-/* would rather use the interupt than this polling but it works and I can't
-get the interupt driven case to work efficiently */
+/* would rather use the interrupt than this polling but it works and I can't
+get the interrupt driven case to work efficiently */
 	for (i = 0; i < 0x5000; i++)
 		if (!(au1000->ac97_ioport->status & AC97C_CP))
 			break;
@@ -535,8 +535,8 @@ snd_au1000_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short
 	int i;
 
 	spin_lock(&au1000->ac97_lock);
-/* would rather use the interupt than this polling but it works and I can't
-get the interupt driven case to work efficiently */
+/* would rather use the interrupt than this polling but it works and I can't
+get the interrupt driven case to work efficiently */
 	for (i = 0; i < 0x5000; i++)
 		if (!(au1000->ac97_ioport->status & AC97C_CP))
 			break;

sound/pci/au88x0/au88x0.c

@@ -191,7 +191,7 @@ snd_vortex_create(struct snd_card *card, struct pci_dev *pci, vortex_t ** rchip)
 
 	/* Init audio core.
 	 * This must be done before we do request_irq otherwise we can get spurious
-	 * interupts that we do not handle properly and make a mess of things */
+	 * interrupts that we do not handle properly and make a mess of things */
 	if ((err = vortex_core_init(chip)) != 0) {
 		printk(KERN_ERR "hw core init failed\n");
 		goto core_out;

sound/soc/soc-core.c

@@ -264,7 +264,7 @@ out:
 }
 
 /*
- * Power down the audio subsytem pmdown_time msecs after close is called.
+ * Power down the audio subsystem pmdown_time msecs after close is called.
  * This is to ensure there are no pops or clicks in between any music tracks
  * due to DAPM power cycling.
  */

sound/soc/soc-dapm.c

@@ -24,7 +24,7 @@
  *    o Automatic Mic Bias support
  *    o Jack insertion power event initiation - e.g. hp insertion will enable
  *      sinks, dacs, etc
- *    o Delayed powerdown of audio susbsytem to reduce pops between a quick
+ *    o Delayed powerdown of audio susbsystem to reduce pops between a quick
  *      device reopen.
  *
  *  Todo:

sound/synth/emux/emux_synth.c

@@ -317,7 +317,7 @@ snd_emux_update_port(struct snd_emux_port *port, int update)
 
 
 /*
- * Deal with a controler type event.  This includes all types of
+ * Deal with a controller type event.  This includes all types of
  * control events, not just the midi controllers
  */
 void