linux-kernel - [PATCH] ASoC: mediatek: Constify static snd_soc

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Date:   Tue, 12 Oct 2021 22:55:21 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tzung-Bi Shih <tzungbi@...gle.com>,
        Jiaxin Yu <jiaxin.yu@...iatek.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] ASoC: mediatek: Constify static snd_soc_ops

These are only assigned to the ops field in the snd_soc_dai_link struct
which is a pointer to const struct snd_soc_ops. Make them const to allow
the compiler to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 sound/soc/mediatek/mt2701/mt2701-cs42448.c                 | 2 +-
 sound/soc/mediatek/mt2701/mt2701-wm8960.c                  | 2 +-
 sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/mediatek/mt2701/mt2701-cs42448.c b/sound/soc/mediatek/mt2701/mt2701-cs42448.c
index 44a8d5cfb0aa..d9fd6eb786aa 100644
--- a/sound/soc/mediatek/mt2701/mt2701-cs42448.c
+++ b/sound/soc/mediatek/mt2701/mt2701-cs42448.c
@@ -146,7 +146,7 @@ static int mt2701_cs42448_be_ops_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_ops mt2701_cs42448_be_ops = {
+static const struct snd_soc_ops mt2701_cs42448_be_ops = {
 	.hw_params = mt2701_cs42448_be_ops_hw_params
 };
 
diff --git a/sound/soc/mediatek/mt2701/mt2701-wm8960.c b/sound/soc/mediatek/mt2701/mt2701-wm8960.c
index 414e422c0eba..f56de1b918bf 100644
--- a/sound/soc/mediatek/mt2701/mt2701-wm8960.c
+++ b/sound/soc/mediatek/mt2701/mt2701-wm8960.c
@@ -40,7 +40,7 @@ static int mt2701_wm8960_be_ops_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static struct snd_soc_ops mt2701_wm8960_be_ops = {
+static const struct snd_soc_ops mt2701_wm8960_be_ops = {
 	.hw_params = mt2701_wm8960_be_ops_hw_params
 };
 
diff --git a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
index 94dcbd36c869..aeb1af86047e 100644
--- a/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
+++ b/sound/soc/mediatek/mt8183/mt8183-mt6358-ts3a227-max98357.c
@@ -335,7 +335,7 @@ static void mt8183_mt6358_tdm_shutdown(struct snd_pcm_substream *substream)
 			__func__, ret);
 }
 
-static struct snd_soc_ops mt8183_mt6358_tdm_ops = {
+static const struct snd_soc_ops mt8183_mt6358_tdm_ops = {
 	.startup = mt8183_mt6358_tdm_startup,
 	.shutdown = mt8183_mt6358_tdm_shutdown,
 };
-- 
2.33.0