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/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,