media: usb: make snd_pcm_hardware const

Make these const as they are only used during a copy operation.
Done using Coccinelle.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/usb/cx231xx/cx231xx-audio.c

@@ -403,7 +403,7 @@ static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs,
 	return 0;
 }
 
-static struct snd_pcm_hardware snd_cx231xx_hw_capture = {
+static const struct snd_pcm_hardware snd_cx231xx_hw_capture = {
 	.info = SNDRV_PCM_INFO_BLOCK_TRANSFER 	|
 	    SNDRV_PCM_INFO_MMAP 		|
 	    SNDRV_PCM_INFO_INTERLEAVED 		|

drivers/media/usb/em28xx/em28xx-audio.c

@@ -216,7 +216,7 @@ static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs,
 	return 0;
 }
 
-static struct snd_pcm_hardware snd_em28xx_hw_capture = {
+static const struct snd_pcm_hardware snd_em28xx_hw_capture = {
 	.info = SNDRV_PCM_INFO_BLOCK_TRANSFER |
 		SNDRV_PCM_INFO_MMAP           |
 		SNDRV_PCM_INFO_INTERLEAVED    |

drivers/media/usb/go7007/snd-go7007.c

@@ -52,7 +52,7 @@ struct go7007_snd {
 	int capturing;
 };
 
-static struct snd_pcm_hardware go7007_snd_capture_hw = {
+static const struct snd_pcm_hardware go7007_snd_capture_hw = {
 	.info			= (SNDRV_PCM_INFO_MMAP |
 					SNDRV_PCM_INFO_INTERLEAVED |
 					SNDRV_PCM_INFO_BLOCK_TRANSFER |

drivers/media/usb/tm6000/tm6000-alsa.c

@@ -143,7 +143,7 @@ static int dsp_buffer_alloc(struct snd_pcm_substream *substream, int size)
  */
 #define DEFAULT_FIFO_SIZE	4096
 
-static struct snd_pcm_hardware snd_tm6000_digital_hw = {
+static const struct snd_pcm_hardware snd_tm6000_digital_hw = {
 	.info = SNDRV_PCM_INFO_BATCH |
 		SNDRV_PCM_INFO_MMAP |
 		SNDRV_PCM_INFO_INTERLEAVED |

drivers/media/usb/usbtv/usbtv-audio.c

@@ -43,7 +43,7 @@
 
 #include "usbtv.h"
 
-static struct snd_pcm_hardware snd_usbtv_digital_hw = {
+static const struct snd_pcm_hardware snd_usbtv_digital_hw = {
 	.info = SNDRV_PCM_INFO_BATCH |
 		SNDRV_PCM_INFO_MMAP |
 		SNDRV_PCM_INFO_INTERLEAVED |