ASoC: Constify snd_soc_dai_ops variables

The snd_soc_dai_ops variables are not modified after initialization in
these drivers, so make them const.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cs42l52.c

@@ -919,7 +919,7 @@ static int cs42l52_set_bias_level(struct snd_soc_codec *codec,
 			SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_U20_3LE | \
 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_U24_LE)
 
-static struct snd_soc_dai_ops cs42l52_ops = {
+static const struct snd_soc_dai_ops cs42l52_ops = {
 	.hw_params	= cs42l52_pcm_hw_params,
 	.digital_mute	= cs42l52_digital_mute,
 	.set_fmt	= cs42l52_set_fmt,

sound/soc/codecs/cs42l56.c

@@ -989,7 +989,7 @@ static int cs42l56_set_bias_level(struct snd_soc_codec *codec,
 			SNDRV_PCM_FMTBIT_S32_LE)
 
 
-static struct snd_soc_dai_ops cs42l56_ops = {
+static const struct snd_soc_dai_ops cs42l56_ops = {
 	.hw_params	= cs42l56_pcm_hw_params,
 	.digital_mute	= cs42l56_digital_mute,
 	.set_fmt	= cs42l56_set_dai_fmt,

sound/soc/codecs/isabelle.c

@@ -1016,25 +1016,25 @@ static int isabelle_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 #define ISABELLE_FORMATS (SNDRV_PCM_FMTBIT_S20_3LE |\
 			SNDRV_PCM_FMTBIT_S32_LE)
 
-static struct snd_soc_dai_ops isabelle_hs_dai_ops = {
+static const struct snd_soc_dai_ops isabelle_hs_dai_ops = {
 	.hw_params	= isabelle_hw_params,
 	.set_fmt	= isabelle_set_dai_fmt,
 	.digital_mute	= isabelle_hs_mute,
 };
 
-static struct snd_soc_dai_ops isabelle_hf_dai_ops = {
+static const struct snd_soc_dai_ops isabelle_hf_dai_ops = {
 	.hw_params	= isabelle_hw_params,
 	.set_fmt	= isabelle_set_dai_fmt,
 	.digital_mute	= isabelle_hf_mute,
 };
 
-static struct snd_soc_dai_ops isabelle_line_dai_ops = {
+static const struct snd_soc_dai_ops isabelle_line_dai_ops = {
 	.hw_params	= isabelle_hw_params,
 	.set_fmt	= isabelle_set_dai_fmt,
 	.digital_mute	= isabelle_line_mute,
 };
 
-static struct snd_soc_dai_ops isabelle_ul_dai_ops = {
+static const struct snd_soc_dai_ops isabelle_ul_dai_ops = {
 	.hw_params	= isabelle_hw_params,
 	.set_fmt	= isabelle_set_dai_fmt,
 };

sound/soc/codecs/lm49453.c

@@ -1291,35 +1291,35 @@ static int lm49453_set_bias_level(struct snd_soc_codec *codec,
 #define LM49453_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
 			 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
 
-static struct snd_soc_dai_ops lm49453_headset_dai_ops = {
+static const struct snd_soc_dai_ops lm49453_headset_dai_ops = {
 	.hw_params	= lm49453_hw_params,
 	.set_sysclk	= lm49453_set_dai_sysclk,
 	.set_fmt	= lm49453_set_dai_fmt,
 	.digital_mute	= lm49453_hp_mute,
 };
 
-static struct snd_soc_dai_ops lm49453_speaker_dai_ops = {
+static const struct snd_soc_dai_ops lm49453_speaker_dai_ops = {
 	.hw_params	= lm49453_hw_params,
 	.set_sysclk	= lm49453_set_dai_sysclk,
 	.set_fmt	= lm49453_set_dai_fmt,
 	.digital_mute	= lm49453_ls_mute,
 };
 
-static struct snd_soc_dai_ops lm49453_haptic_dai_ops = {
+static const struct snd_soc_dai_ops lm49453_haptic_dai_ops = {
 	.hw_params	= lm49453_hw_params,
 	.set_sysclk	= lm49453_set_dai_sysclk,
 	.set_fmt	= lm49453_set_dai_fmt,
 	.digital_mute	= lm49453_ha_mute,
 };
 
-static struct snd_soc_dai_ops lm49453_ep_dai_ops = {
+static const struct snd_soc_dai_ops lm49453_ep_dai_ops = {
 	.hw_params	= lm49453_hw_params,
 	.set_sysclk	= lm49453_set_dai_sysclk,
 	.set_fmt	= lm49453_set_dai_fmt,
 	.digital_mute	= lm49453_ep_mute,
 };
 
-static struct snd_soc_dai_ops lm49453_lineout_dai_ops = {
+static const struct snd_soc_dai_ops lm49453_lineout_dai_ops = {
 	.hw_params	= lm49453_hw_params,
 	.set_sysclk	= lm49453_set_dai_sysclk,
 	.set_fmt	= lm49453_set_dai_fmt,

sound/soc/codecs/max98090.c

@@ -2383,7 +2383,7 @@ EXPORT_SYMBOL_GPL(max98090_mic_detect);
 #define MAX98090_RATES SNDRV_PCM_RATE_8000_96000
 #define MAX98090_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE)
 
-static struct snd_soc_dai_ops max98090_dai_ops = {
+static const struct snd_soc_dai_ops max98090_dai_ops = {
 	.set_sysclk = max98090_dai_set_sysclk,
 	.set_fmt = max98090_dai_set_fmt,
 	.set_tdm_slot = max98090_set_tdm_slot,

sound/soc/codecs/max98357a.c

@@ -79,7 +79,7 @@ static struct snd_soc_codec_driver max98357a_codec_driver = {
 	.num_dapm_routes	= ARRAY_SIZE(max98357a_dapm_routes),
 };
 
-static struct snd_soc_dai_ops max98357a_dai_ops = {
+static const struct snd_soc_dai_ops max98357a_dai_ops = {
 	.trigger	= max98357a_daiops_trigger,
 };
 

sound/soc/codecs/mc13783.c

@@ -650,14 +650,14 @@ static int mc13783_remove(struct snd_soc_codec *codec)
 #define MC13783_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
 	SNDRV_PCM_FMTBIT_S24_LE)
 
-static struct snd_soc_dai_ops mc13783_ops_dac = {
+static const struct snd_soc_dai_ops mc13783_ops_dac = {
 	.hw_params	= mc13783_pcm_hw_params_dac,
 	.set_fmt	= mc13783_set_fmt_async,
 	.set_sysclk	= mc13783_set_sysclk_dac,
 	.set_tdm_slot	= mc13783_set_tdm_slot_dac,
 };
 
-static struct snd_soc_dai_ops mc13783_ops_codec = {
+static const struct snd_soc_dai_ops mc13783_ops_codec = {
 	.hw_params	= mc13783_pcm_hw_params_codec,
 	.set_fmt	= mc13783_set_fmt_async,
 	.set_sysclk	= mc13783_set_sysclk_codec,
@@ -698,7 +698,7 @@ static struct snd_soc_dai_driver mc13783_dai_async[] = {
 	},
 };
 
-static struct snd_soc_dai_ops mc13783_ops_sync = {
+static const struct snd_soc_dai_ops mc13783_ops_sync = {
 	.hw_params	= mc13783_pcm_hw_params_sync,
 	.set_fmt	= mc13783_set_fmt_sync,
 	.set_sysclk	= mc13783_set_sysclk_sync,

sound/soc/codecs/rt5645.c

@@ -3110,7 +3110,7 @@ static int rt5645_resume(struct snd_soc_codec *codec)
 #define RT5645_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 rt5645_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt5645_aif_dai_ops = {
 	.hw_params = rt5645_hw_params,
 	.set_fmt = rt5645_set_dai_fmt,
 	.set_sysclk = rt5645_set_dai_sysclk,

sound/soc/codecs/rt5670.c

@@ -2720,7 +2720,7 @@ static int rt5670_resume(struct snd_soc_codec *codec)
 #define RT5670_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 rt5670_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt5670_aif_dai_ops = {
 	.hw_params = rt5670_hw_params,
 	.set_fmt = rt5670_set_dai_fmt,
 	.set_sysclk = rt5670_set_dai_sysclk,

sound/soc/codecs/rt5677.c

@@ -4863,7 +4863,7 @@ static int rt5677_write(void *context, unsigned int reg, unsigned int val)
 #define RT5677_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 rt5677_aif_dai_ops = {
+static const struct snd_soc_dai_ops rt5677_aif_dai_ops = {
 	.hw_params = rt5677_hw_params,
 	.set_fmt = rt5677_set_dai_fmt,
 	.set_sysclk = rt5677_set_dai_sysclk,

sound/soc/codecs/si476x.c

@@ -208,7 +208,7 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
 	return err;
 }
 
-static struct snd_soc_dai_ops si476x_dai_ops = {
+static const struct snd_soc_dai_ops si476x_dai_ops = {
 	.hw_params	= si476x_codec_hw_params,
 	.set_fmt	= si476x_codec_set_dai_fmt,
 };

sound/soc/codecs/tas2552.c

@@ -520,7 +520,7 @@ static const struct dev_pm_ops tas2552_pm = {
 			   NULL)
 };
 
-static struct snd_soc_dai_ops tas2552_speaker_dai_ops = {
+static const struct snd_soc_dai_ops tas2552_speaker_dai_ops = {
 	.hw_params	= tas2552_hw_params,
 	.prepare	= tas2552_prepare,
 	.set_sysclk	= tas2552_set_dai_sysclk,

sound/soc/codecs/tlv320aic31xx.c

@@ -1121,7 +1121,7 @@ static struct snd_soc_codec_driver soc_codec_driver_aic31xx = {
 	.num_dapm_routes	= ARRAY_SIZE(aic31xx_audio_map),
 };
 
-static struct snd_soc_dai_ops aic31xx_dai_ops = {
+static const struct snd_soc_dai_ops aic31xx_dai_ops = {
 	.hw_params	= aic31xx_hw_params,
 	.set_sysclk	= aic31xx_set_dai_sysclk,
 	.set_fmt	= aic31xx_set_dai_fmt,