ALSA: es1688: 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/es1688/es1688_lib.c b/sound/isa/es1688/es1688_lib.c
index 5d3df96..ec7e68b 100644
--- a/sound/isa/es1688/es1688_lib.c
+++ b/sound/isa/es1688/es1688_lib.c
@@ -706,7 +706,7 @@ int snd_es1688_create(struct snd_card *card,
return err;
}
-static struct snd_pcm_ops snd_es1688_playback_ops = {
+static const struct snd_pcm_ops snd_es1688_playback_ops = {
.open = snd_es1688_playback_open,
.close = snd_es1688_playback_close,
.ioctl = snd_es1688_ioctl,
@@ -717,7 +717,7 @@ static struct snd_pcm_ops snd_es1688_playback_ops = {
.pointer = snd_es1688_playback_pointer,
};
-static struct snd_pcm_ops snd_es1688_capture_ops = {
+static const struct snd_pcm_ops snd_es1688_capture_ops = {
.open = snd_es1688_capture_open,
.close = snd_es1688_capture_close,
.ioctl = snd_es1688_ioctl,