ALSA: sh: make snd_pcm_hardware const

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

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/sh/sh_dac_audio.c

diff --git a/sound/sh/sh_dac_audio.c b/sound/sh/sh_dac_audio.c
index c1e00ed..a077f1c 100644
--- a/sound/sh/sh_dac_audio.c
+++ b/sound/sh/sh_dac_audio.c
@@ -93,7 +93,7 @@ static void dac_audio_set_rate(struct snd_sh_dac *chip)
 
 /* PCM INTERFACE */
 
-static struct snd_pcm_hardware snd_sh_dac_pcm_hw = {
+static const struct snd_pcm_hardware snd_sh_dac_pcm_hw = {
 	.info			= (SNDRV_PCM_INFO_MMAP |
 					SNDRV_PCM_INFO_MMAP_VALID |
 					SNDRV_PCM_INFO_INTERLEAVED |