ASoC: rt*: Constify static struct snd_soc_dai_ops

The only usage of them is to assign their address to the ops field in
the snd_soc_dai_driver struct, which is a pointer to const. Make them
const to allow the compiler to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Link: https://lore.kernel.org/r/20210224211918.39109-3-rikard.falkeborn@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt1015.c b/sound/soc/codecs/rt1015.c
index 844e407..501cc45 100644 (file)
--- a/sound/soc/codecs/rt1015.c
+++ b/sound/soc/codecs/rt1015.c
@@ -1028,7 +1028,7 @@ static void rt1015_remove(struct snd_soc_component *component)
 #define RT1015_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 rt1015_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt1015_aif_dai_ops = {
        .hw_params = rt1015_hw_params,
        .set_fmt = rt1015_set_dai_fmt,
        .set_tdm_slot = rt1015_set_tdm_slot,

diff --git a/sound/soc/codecs/rt1016.c b/sound/soc/codecs/rt1016.c
index a23d368..483375f 100644 (file)
--- a/sound/soc/codecs/rt1016.c
+++ b/sound/soc/codecs/rt1016.c
@@ -534,7 +534,7 @@ static void rt1016_remove(struct snd_soc_component *component)
 #define RT1016_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 rt1016_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt1016_aif_dai_ops = {
        .hw_params = rt1016_hw_params,
        .set_fmt = rt1016_set_dai_fmt,
 };

diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c
index 0b7ac74..5e097f7 100644 (file)
--- a/sound/soc/codecs/rt5682-sdw.c
+++ b/sound/soc/codecs/rt5682-sdw.c
@@ -269,7 +269,7 @@ static int rt5682_sdw_hw_free(struct snd_pcm_substream *substream,
        return 0;
 }
 
-static struct snd_soc_dai_ops rt5682_sdw_ops = {
+static const struct snd_soc_dai_ops rt5682_sdw_ops = {
        .hw_params      = rt5682_sdw_hw_params,
        .hw_free        = rt5682_sdw_hw_free,
        .set_sdw_stream = rt5682_set_sdw_stream,

diff --git a/sound/soc/codecs/rt700.c b/sound/soc/codecs/rt700.c
index 66ec395..01af9d9 100644 (file)
--- a/sound/soc/codecs/rt700.c
+++ b/sound/soc/codecs/rt700.c
@@ -1002,7 +1002,7 @@ static int rt700_pcm_hw_free(struct snd_pcm_substream *substream,
 #define RT700_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 rt700_ops = {
+static const struct snd_soc_dai_ops rt700_ops = {
        .hw_params      = rt700_pcm_hw_params,
        .hw_free        = rt700_pcm_hw_free,
        .set_sdw_stream = rt700_set_sdw_stream,

diff --git a/sound/soc/codecs/rt711.c b/sound/soc/codecs/rt711.c
index 85f7441..202bf6f 100644 (file)
--- a/sound/soc/codecs/rt711.c
+++ b/sound/soc/codecs/rt711.c
@@ -1048,7 +1048,7 @@ static int rt711_pcm_hw_free(struct snd_pcm_substream *substream,
 #define RT711_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 rt711_ops = {
+static const struct snd_soc_dai_ops rt711_ops = {
        .hw_params      = rt711_pcm_hw_params,
        .hw_free        = rt711_pcm_hw_free,
        .set_sdw_stream = rt711_set_sdw_stream,

diff --git a/sound/soc/codecs/rt715.c b/sound/soc/codecs/rt715.c
index 9a7d393..f419d00 100644 (file)
--- a/sound/soc/codecs/rt715.c
+++ b/sound/soc/codecs/rt715.c
@@ -683,7 +683,7 @@ static int rt715_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_ops = {
+static const struct snd_soc_dai_ops rt715_ops = {
        .hw_params      = rt715_pcm_hw_params,
        .hw_free        = rt715_pcm_hw_free,
        .set_sdw_stream = rt715_set_sdw_stream,