ASoC: rt1019: 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: Ye Bin <yebin10@huawei.com>
Link: https://lore.kernel.org/r/20210408062701.803865-1-yebin10@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt1019.c b/sound/soc/codecs/rt1019.c
index 5138f028d9f241d17ffdd787ebf599c6abe2df28..f64bb7302720bb4402ca9ec7c419d10507b7f7d2 100644 (file)
--- a/sound/soc/codecs/rt1019.c
+++ b/sound/soc/codecs/rt1019.c
@@ -823,7 +823,7 @@ static int rt1019_probe(struct snd_soc_component *component)
 #define RT1019_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
 
-static struct snd_soc_dai_ops rt1019_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt1019_aif_dai_ops = {
        .hw_params = rt1019_hw_params,
        .set_fmt = rt1019_set_dai_fmt,
        .set_sysclk = rt1019_set_dai_sysclk,