ASoC: rt715-sdca: 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/20210408062654.803538-1-yebin10@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt715-sdca.c b/sound/soc/codecs/rt715-sdca.c
index 20528af..7db76c1 100644 (file)
--- a/sound/soc/codecs/rt715-sdca.c
+++ b/sound/soc/codecs/rt715-sdca.c
@@ -935,7 +935,7 @@ static int rt715_sdca_pcm_hw_free(struct snd_pcm_substream *substream,
 #define RT715_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 rt715_sdca_ops = {
+static const struct snd_soc_dai_ops rt715_sdca_ops = {
        .hw_params      = rt715_sdca_pcm_hw_params,
        .hw_free        = rt715_sdca_pcm_hw_free,
        .set_sdw_stream = rt715_sdca_set_sdw_stream,