linux-kernel - [PATCH] staging: greybus: audio: constify snd_soc_dai

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Message-Id: <b68f19a4b69ca87e27f863f5c72cf04a39ee1b2c.1503291306.git.arvind.yadav.cs@gmail.com>
Date:   Mon, 21 Aug 2017 10:28:24 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     vaibhav.sr@...il.com, mgreer@...malcreek.com, johan@...nel.org,
        elder@...nel.org, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, greybus-dev@...ts.linaro.org,
        devel@...verdev.osuosl.org
Subject: [PATCH] staging: greybus: audio: constify snd_soc_dai_ops structures

snd_soc_dai_ops are not supposed to change at runtime. All functions
working with snd_soc_dai_ops provided by <sound/soc-dai.h> work with
const snd_soc_dai_ops. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/staging/greybus/audio_codec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c
index 25c8bb4..a6d01f0 100644
--- a/drivers/staging/greybus/audio_codec.c
+++ b/drivers/staging/greybus/audio_codec.c
@@ -674,7 +674,7 @@ static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
 	return ret;
 }
 
-static struct snd_soc_dai_ops gbcodec_dai_ops = {
+static const struct snd_soc_dai_ops gbcodec_dai_ops = {
 	.startup = gbcodec_startup,
 	.shutdown = gbcodec_shutdown,
 	.hw_params = gbcodec_hw_params,
-- 
1.9.1