ASoC: rk817: Constify static struct snd_soc_dai_ops

The snd_soc_dai_ops structures is only stored in the ops field of a
snd_soc_dai_driver structure, so make the snd_soc_dai_ops structure
const to allow the compiler to put it in read-only memory.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20210602113643.3037374-1-weiyongjun1@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rk817_codec.c b/sound/soc/codecs/rk817_codec.c
index d3a19fc9b5d0ae805ad281d6f9202bd29ac0b681..943d7d933e81b3325e3ae09a25df7c1ada8e422d 100644 (file)
--- a/sound/soc/codecs/rk817_codec.c
+++ b/sound/soc/codecs/rk817_codec.c
@@ -383,7 +383,7 @@ static int rk817_digital_mute(struct snd_soc_dai *dai, int mute, int stream)
                        SNDRV_PCM_FMTBIT_S24_LE |\
                        SNDRV_PCM_FMTBIT_S32_LE)
 
-static struct snd_soc_dai_ops rk817_dai_ops = {
+static const struct snd_soc_dai_ops rk817_dai_ops = {
        .hw_params      = rk817_hw_params,
        .set_fmt        = rk817_set_dai_fmt,
        .set_sysclk     = rk817_set_dai_sysclk,