ALSA: ac97c: constify ac97_pcm structures

ac97_pcm are not supposed to change at runtime. All functions
working with ac97_pcm provided by <sound/ac97_codec.h> work with
const ac97_pcm. 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 5402f825811dbd9f7918c346430a1bc3c690fa44..24623c7907737d5110c9f8015855e1513a666bb0 100644 (file)
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -558,7 +558,7 @@ static irqreturn_t atmel_ac97c_interrupt(int irq, void *dev)
        return retval;
 }
 
-static struct ac97_pcm at91_ac97_pcm_defs[] = {
+static const struct ac97_pcm at91_ac97_pcm_defs[] = {
        /* Playback */
        {
                .exclusive = 1,