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...@gmail.com>
---
 sound/isa/es18xx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
index ae17a65..77023e4 100644
--- a/sound/isa/es18xx.c
+++ b/sound/isa/es18xx.c
@@ -1665,7 +1665,7 @@ static int snd_es18xx_probe(struct snd_es18xx *chip,
        return snd_es18xx_initialize(chip, mpu_port, fm_port);
 }
 
-static struct snd_pcm_ops snd_es18xx_playback_ops = {
+static const struct snd_pcm_ops snd_es18xx_playback_ops = {
        .open =         snd_es18xx_playback_open,
        .close =        snd_es18xx_playback_close,
        .ioctl =        snd_pcm_lib_ioctl,
@@ -1676,7 +1676,7 @@ static int snd_es18xx_probe(struct snd_es18xx *chip,
        .pointer =      snd_es18xx_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_es18xx_capture_ops = {
+static const struct snd_pcm_ops snd_es18xx_capture_ops = {
        .open =         snd_es18xx_capture_open,
        .close =        snd_es18xx_capture_close,
        .ioctl =        snd_pcm_lib_ioctl,
-- 
1.9.1

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