linux-kernel - [PATCH 04/15] ALSA: ad1816a: constify pnp_card_device

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Date:   Thu, 17 Aug 2017 15:36:19 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     perex@...ex.cz, tiwai@...e.com, dhowells@...hat.com
Cc:     linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: [PATCH 04/15] ALSA: ad1816a: 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@...il.com>
---
 sound/isa/ad1816a/ad1816a.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/isa/ad1816a/ad1816a.c b/sound/isa/ad1816a/ad1816a.c
index 7692265..4be6c12 100644
--- a/sound/isa/ad1816a/ad1816a.c
+++ b/sound/isa/ad1816a/ad1816a.c
@@ -63,7 +63,7 @@ MODULE_PARM_DESC(enable, "Enable ad1816a based soundcard.");
 module_param_array(clockfreq, int, NULL, 0444);
 MODULE_PARM_DESC(clockfreq, "Clock frequency for ad1816a driver (default = 0).");
 
-static struct pnp_card_device_id snd_ad1816a_pnpids[] = {
+static const struct pnp_card_device_id snd_ad1816a_pnpids[] = {
 	/* Analog Devices AD1815 */
 	{ .id = "ADS7150", .devs = { { .id = "ADS7150" }, { .id = "ADS7151" } } },
 	/* Analog Device AD1816? */
-- 
2.7.4