snd_pcm_ops are not supposed to change at runtime. All functions
working with snd_pcm_ops provided by <sound/soc.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: Mark Brown <broonie@kernel.org>
                vma->vm_end - vma->vm_start, vma->vm_page_prot);
 }
 
-static struct snd_pcm_ops mmp_pcm_ops = {
+static const struct snd_pcm_ops mmp_pcm_ops = {
        .open           = mmp_pcm_open,
        .close          = snd_dmaengine_pcm_close_release_chan,
        .ioctl          = snd_pcm_lib_ioctl,
 
        return 0;
 }
 
-static struct snd_pcm_ops pxa2xx_pcm_ops = {
+static const struct snd_pcm_ops pxa2xx_pcm_ops = {
        .open           = __pxa2xx_pcm_open,
        .close          = __pxa2xx_pcm_close,
        .ioctl          = snd_pcm_lib_ioctl,