ALSA: azt2320: constify pnp_card_device_id

pnp_card_device_id are not supposed to change at runtime. All functions
working with pnp_card_device_id provided by <linux/pnp.h> work with
const pnp_card_device_id. 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/azt2320.c b/sound/isa/azt2320.c
index fff186f..4e6fad4 100644 (file)
--- a/sound/isa/azt2320.c
+++ b/sound/isa/azt2320.c
@@ -79,7 +79,7 @@ struct snd_card_azt2320 {
        struct snd_wss *chip;
 };
 
-static struct pnp_card_device_id snd_azt2320_pnpids[] = {
+static const struct pnp_card_device_id snd_azt2320_pnpids[] = {
        /* PRO16V */
        { .id = "AZT1008", .devs = { { "AZT1008" }, { "AZT2001" }, } },
        /* Aztech Sound Galaxy 16 */