ASoC: codecs: constify snd_soc_dai_ops structures

The snd_soc_dai_ops structures are only stored in the ops field of a
snd_soc_dai_driver structure, so make the snd_soc_dai_ops structures
const as well.

Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/ak4458.c

@@ -456,7 +456,7 @@ static int ak4458_startup(struct snd_pcm_substream *substream,
 	return ret;
 }
 
-static struct snd_soc_dai_ops ak4458_dai_ops = {
+static const struct snd_soc_dai_ops ak4458_dai_ops = {
 	.startup        = ak4458_startup,
 	.hw_params	= ak4458_hw_params,
 	.set_fmt	= ak4458_set_dai_fmt,

sound/soc/codecs/ak5558.c

@@ -246,7 +246,7 @@ static int ak5558_startup(struct snd_pcm_substream *substream,
 					  &ak5558_rate_constraints);
 }
 
-static struct snd_soc_dai_ops ak5558_dai_ops = {
+static const struct snd_soc_dai_ops ak5558_dai_ops = {
 	.startup        = ak5558_startup,
 	.hw_params	= ak5558_hw_params,
 

sound/soc/codecs/hdac_hda.c

@@ -46,7 +46,7 @@ static int hdac_hda_dai_set_tdm_slot(struct snd_soc_dai *dai,
 static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt,
 						 struct snd_soc_dai *dai);
 
-static struct snd_soc_dai_ops hdac_hda_dai_ops = {
+static const struct snd_soc_dai_ops hdac_hda_dai_ops = {
 	.startup = hdac_hda_dai_open,
 	.shutdown = hdac_hda_dai_close,
 	.prepare = hdac_hda_dai_prepare,

sound/soc/codecs/tas6424.c

@@ -378,7 +378,7 @@ static struct snd_soc_component_driver soc_codec_dev_tas6424 = {
 	.non_legacy_dai_naming	= 1,
 };
 
-static struct snd_soc_dai_ops tas6424_speaker_dai_ops = {
+static const struct snd_soc_dai_ops tas6424_speaker_dai_ops = {
 	.hw_params	= tas6424_hw_params,
 	.set_fmt	= tas6424_set_dai_fmt,
 	.set_tdm_slot	= tas6424_set_dai_tdm_slot,