ASoC: arizona: Remove redundant extern declarations

Functions are given external linkage by default making the extern's
unnecessary, as such remove them.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h
index 813f1cdb565dda473ad8b438095ffe186799eb59..56707860657cca129df30ed0d64d4081efdedbbf 100644 (file)
--- a/sound/soc/codecs/arizona.h
+++ b/sound/soc/codecs/arizona.h
@@ -256,28 +256,24 @@ extern const struct soc_enum arizona_output_anc_src[];
 
 extern const struct snd_kcontrol_new arizona_voice_trigger_switch[];
 
-extern int arizona_in_ev(struct snd_soc_dapm_widget *w,
-                        struct snd_kcontrol *kcontrol,
-                        int event);
-extern int arizona_out_ev(struct snd_soc_dapm_widget *w,
-                         struct snd_kcontrol *kcontrol,
-                         int event);
-extern int arizona_hp_ev(struct snd_soc_dapm_widget *w,
-                        struct snd_kcontrol *kcontrol,
-                        int event);
-extern int arizona_anc_ev(struct snd_soc_dapm_widget *w,
-                         struct snd_kcontrol *kcontrol,
-                         int event);
-
-extern int arizona_eq_coeff_put(struct snd_kcontrol *kcontrol,
-                               struct snd_ctl_elem_value *ucontrol);
-extern int arizona_lhpf_coeff_put(struct snd_kcontrol *kcontrol,
-                                 struct snd_ctl_elem_value *ucontrol);
-
-extern int arizona_clk_ev(struct snd_soc_dapm_widget *w,
-                         struct snd_kcontrol *kcontrol, int event);
-extern int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id,
-                             int source, unsigned int freq, int dir);
+int arizona_in_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
+                 int event);
+int arizona_out_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
+                  int event);
+int arizona_hp_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
+                 int event);
+int arizona_anc_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
+                  int event);
+
+int arizona_eq_coeff_put(struct snd_kcontrol *kcontrol,
+                        struct snd_ctl_elem_value *ucontrol);
+int arizona_lhpf_coeff_put(struct snd_kcontrol *kcontrol,
+                          struct snd_ctl_elem_value *ucontrol);
+
+int arizona_clk_ev(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol,
+                  int event);
+int arizona_set_sysclk(struct snd_soc_codec *codec, int clk_id, int source,
+                      unsigned int freq, int dir);
 
 extern const struct snd_soc_dai_ops arizona_dai_ops;
 extern const struct snd_soc_dai_ops arizona_simple_dai_ops;
@@ -300,35 +296,35 @@ struct arizona_fll {
        char clock_ok_name[ARIZONA_FLL_NAME_LEN];
 };
 
-extern int arizona_dvfs_up(struct snd_soc_codec *codec, unsigned int flags);
-extern int arizona_dvfs_down(struct snd_soc_codec *codec, unsigned int flags);
-extern int arizona_dvfs_sysclk_ev(struct snd_soc_dapm_widget *w,
-                                 struct snd_kcontrol *kcontrol, int event);
-extern void arizona_init_dvfs(struct arizona_priv *priv);
-
-extern int arizona_init_fll(struct arizona *arizona, int id, int base,
-                           int lock_irq, int ok_irq, struct arizona_fll *fll);
-extern int arizona_set_fll_refclk(struct arizona_fll *fll, int source,
-                                 unsigned int Fref, unsigned int Fout);
-extern int arizona_set_fll(struct arizona_fll *fll, int source,
+int arizona_dvfs_up(struct snd_soc_codec *codec, unsigned int flags);
+int arizona_dvfs_down(struct snd_soc_codec *codec, unsigned int flags);
+int arizona_dvfs_sysclk_ev(struct snd_soc_dapm_widget *w,
+                          struct snd_kcontrol *kcontrol, int event);
+void arizona_init_dvfs(struct arizona_priv *priv);
+
+int arizona_init_fll(struct arizona *arizona, int id, int base,
+                    int lock_irq, int ok_irq, struct arizona_fll *fll);
+int arizona_set_fll_refclk(struct arizona_fll *fll, int source,
                           unsigned int Fref, unsigned int Fout);
+int arizona_set_fll(struct arizona_fll *fll, int source,
+                   unsigned int Fref, unsigned int Fout);
 
-extern int arizona_init_spk(struct snd_soc_codec *codec);
-extern int arizona_init_gpio(struct snd_soc_codec *codec);
-extern int arizona_init_mono(struct snd_soc_codec *codec);
-extern int arizona_init_notifiers(struct snd_soc_codec *codec);
+int arizona_init_spk(struct snd_soc_codec *codec);
+int arizona_init_gpio(struct snd_soc_codec *codec);
+int arizona_init_mono(struct snd_soc_codec *codec);
+int arizona_init_notifiers(struct snd_soc_codec *codec);
 
-extern int arizona_init_spk_irqs(struct arizona *arizona);
-extern int arizona_free_spk_irqs(struct arizona *arizona);
+int arizona_init_spk_irqs(struct arizona *arizona);
+int arizona_free_spk_irqs(struct arizona *arizona);
 
-extern int arizona_init_dai(struct arizona_priv *priv, int dai);
+int arizona_init_dai(struct arizona_priv *priv, int dai);
 
 int arizona_set_output_mode(struct snd_soc_codec *codec, int output,
                            bool diff);
 
-extern bool arizona_input_analog(struct snd_soc_codec *codec, int shift);
+bool arizona_input_analog(struct snd_soc_codec *codec, int shift);
 
-extern const char *arizona_sample_rate_val_to_name(unsigned int rate_val);
+const char *arizona_sample_rate_val_to_name(unsigned int rate_val);
 
 static inline int arizona_register_notifier(struct snd_soc_codec *codec,
                                            struct notifier_block *nb,