ALSA: sb16: 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/sb/sb16_main.c b/sound/isa/sb/sb16_main.c
index 4be1350..6fc6325 100644 (file)
--- a/sound/isa/sb/sb16_main.c
+++ b/sound/isa/sb/sb16_main.c
@@ -838,7 +838,7 @@ int snd_sb16dsp_configure(struct snd_sb * chip)
        return 0;
 }
 
-static struct snd_pcm_ops snd_sb16_playback_ops = {
+static const struct snd_pcm_ops snd_sb16_playback_ops = {
        .open =         snd_sb16_playback_open,
        .close =        snd_sb16_playback_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -849,7 +849,7 @@ static struct snd_pcm_ops snd_sb16_playback_ops = {
        .pointer =      snd_sb16_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_sb16_capture_ops = {
+static const struct snd_pcm_ops snd_sb16_capture_ops = {
        .open =         snd_sb16_capture_open,
        .close =        snd_sb16_capture_close,
        .ioctl =        snd_pcm_lib_ioctl,