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ALSA: es18xx: constify pnp_device_id and pnp_card_device_id

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*_device_id are not supposed to change at runtime. All functions
working with *_device_id provided by <linux/pnp.h> work with
const *_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>
This commit is contained in:
Arvind Yadav 2017-08-17 15:36:17 +05:30 committed by Takashi Iwai
parent 1491c68a22
commit 05cb183e87
1 changed files with 2 additions and 2 deletions
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4
sound/isa/es18xx.c
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@ -2017,7 +2017,7 @@ static int isa_registered;
static int pnp_registered;
static int pnpc_registered;
static struct pnp_device_id snd_audiodrive_pnpbiosids[] = {
static const struct pnp_device_id snd_audiodrive_pnpbiosids[] = {
{ .id = "ESS1869" },
{ .id = "ESS1879" },
{ .id = "" } /* end */
@ -2062,7 +2062,7 @@ static int snd_audiodrive_pnp(int dev, struct snd_es18xx *chip,
return 0;
}
static struct pnp_card_device_id snd_audiodrive_pnpids[] = {
static const struct pnp_card_device_id snd_audiodrive_pnpids[] = {
/* ESS 1868 (integrated on Compaq dual P-Pro motherboard and Genius 18PnP 3D) */
{ .id = "ESS1868", .devs = { { "ESS1868" }, { "ESS0000" } } },
/* ESS 1868 (integrated on Maxisound Cards) */