ALSA: riptide: 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: Takashi Iwai <tiwai@suse.de>

sound/pci/riptide/riptide.c

@@ -1315,7 +1315,7 @@ static int riptide_reset(struct cmdif *cif, struct snd_riptide *chip)
 	return 0;
 }
 
-static struct snd_pcm_hardware snd_riptide_playback = {
+static const struct snd_pcm_hardware snd_riptide_playback = {
 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),
@@ -1334,7 +1334,7 @@ static struct snd_pcm_hardware snd_riptide_playback = {
 	.periods_max = 64,
 	.fifo_size = 0,
 };
-static struct snd_pcm_hardware snd_riptide_capture = {
+static const struct snd_pcm_hardware snd_riptide_capture = {
 	.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 		 SNDRV_PCM_INFO_BLOCK_TRANSFER |
 		 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID),