ALSA: msnd: 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/isa/msnd/msnd.c b/sound/isa/msnd/msnd.c
index 8109ab3d29d1be755edcab61a5856ed08bea5c13..ae9562cffbf947d99a388360e223d87ee23b9560 100644 (file)
--- a/sound/isa/msnd/msnd.c
+++ b/sound/isa/msnd/msnd.c
@@ -572,7 +572,7 @@ snd_msnd_playback_pointer(struct snd_pcm_substream *substream)
 }
 
 
-static struct snd_pcm_ops snd_msnd_playback_ops = {
+static const struct snd_pcm_ops snd_msnd_playback_ops = {
        .open =         snd_msnd_playback_open,
        .close =        snd_msnd_playback_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -669,7 +669,7 @@ static int snd_msnd_capture_hw_params(struct snd_pcm_substream *substream,
 }
 
 
-static struct snd_pcm_ops snd_msnd_capture_ops = {
+static const struct snd_pcm_ops snd_msnd_capture_ops = {
        .open =         snd_msnd_capture_open,
        .close =        snd_msnd_capture_close,
        .ioctl =        snd_pcm_lib_ioctl,