ALSA: intel8x0m: constify snd_pcm_ops structures

snd_pcm_ops are not supposed to change at runtime. All functions
working with snd_pcm_ops provided by <sound/pcm.h> work with
const snd_pcm_ops. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c
index 18ff668..2f1b878 100644 (file)
--- a/sound/pci/intel8x0m.c
+++ b/sound/pci/intel8x0m.c
@@ -685,7 +685,7 @@ static int snd_intel8x0m_capture_close(struct snd_pcm_substream *substream)
 }
 
 
-static struct snd_pcm_ops snd_intel8x0m_playback_ops = {
+static const struct snd_pcm_ops snd_intel8x0m_playback_ops = {
        .open =         snd_intel8x0m_playback_open,
        .close =        snd_intel8x0m_playback_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -696,7 +696,7 @@ static struct snd_pcm_ops snd_intel8x0m_playback_ops = {
        .pointer =      snd_intel8x0m_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_intel8x0m_capture_ops = {
+static const struct snd_pcm_ops snd_intel8x0m_capture_ops = {
        .open =         snd_intel8x0m_capture_open,
        .close =        snd_intel8x0m_capture_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -710,8 +710,8 @@ static struct snd_pcm_ops snd_intel8x0m_capture_ops = {
 
 struct ich_pcm_table {
        char *suffix;
-       struct snd_pcm_ops *playback_ops;
-       struct snd_pcm_ops *capture_ops;
+       const struct snd_pcm_ops *playback_ops;
+       const struct snd_pcm_ops *capture_ops;
        size_t prealloc_size;
        size_t prealloc_max_size;
        int ac97_idx;