linux-kernel - [PATCH 3/4] ALSA: atiixp: constify ac97

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Message-Id: <1503490168-26501-4-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Wed, 23 Aug 2017 17:39:27 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     linux@...linux.org.uk, perex@...ex.cz, tiwai@...e.com
Cc:     linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: [PATCH 3/4] ALSA: atiixp: 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@...il.com>
---
 sound/pci/atiixp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
index a40c918..fa70804 100644
--- a/sound/pci/atiixp.c
+++ b/sound/pci/atiixp.c
@@ -1183,7 +1183,7 @@ static int snd_atiixp_spdif_close(struct snd_pcm_substream *substream)
 	.pointer =	snd_atiixp_pcm_pointer,
 };
 
-static struct ac97_pcm atiixp_pcm_defs[] = {
+static const struct ac97_pcm atiixp_pcm_defs[] = {
 	/* front PCM */
 	{
 		.exclusive = 1,
-- 
1.9.1