ALSA: atmel: 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/atmel/ac97c.c b/sound/atmel/ac97c.c
index f85131bfa6cd0e64df9e3c567d318f61b29a3d22..5402f825811dbd9f7918c346430a1bc3c690fa44 100644 (file)
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -461,7 +461,7 @@ atmel_ac97c_capture_pointer(struct snd_pcm_substream *substream)
        return frames;
 }
 
-static struct snd_pcm_ops atmel_ac97_playback_ops = {
+static const struct snd_pcm_ops atmel_ac97_playback_ops = {
        .open           = atmel_ac97c_playback_open,
        .close          = atmel_ac97c_playback_close,
        .ioctl          = snd_pcm_lib_ioctl,
@@ -472,7 +472,7 @@ static struct snd_pcm_ops atmel_ac97_playback_ops = {
        .pointer        = atmel_ac97c_playback_pointer,
 };
 
-static struct snd_pcm_ops atmel_ac97_capture_ops = {
+static const struct snd_pcm_ops atmel_ac97_capture_ops = {
        .open           = atmel_ac97c_capture_open,
        .close          = atmel_ac97c_capture_close,
        .ioctl          = snd_pcm_lib_ioctl,