[ALSA] ak4xxx-adda - Code clean-up
Takashi Iwai [Tue, 27 Jun 2006 15:49:12 +0000 (17:49 +0200)]
Fix spaces, fold lines to fit 80 columns in ak4xxx-adda driver codes.
Split a long reset function to each codec routine just for better
readability.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

include/sound/ak4xxx-adda.h
sound/i2c/other/ak4xxx-adda.c

index acf8cc1..3d98884 100644 (file)
@@ -32,8 +32,8 @@ struct snd_akm4xxx;
 struct snd_ak4xxx_ops {
        void (*lock)(struct snd_akm4xxx *ak, int chip);
        void (*unlock)(struct snd_akm4xxx *ak, int chip);
-       void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val);
-       // unsigned char (*read)(struct snd_akm4xxx *ak, int chip, unsigned char reg);
+       void (*write)(struct snd_akm4xxx *ak, int chip, unsigned char reg,
+                     unsigned char val);
        void (*set_rate_val)(struct snd_akm4xxx *ak, unsigned int rate);
 };
 
@@ -41,31 +41,40 @@ struct snd_ak4xxx_ops {
 
 struct snd_akm4xxx {
        struct snd_card *card;
-       unsigned int num_adcs;                          /* AK4524 or AK4528 ADCs */
-       unsigned int num_dacs;                          /* AK4524 or AK4528 DACs */
-       unsigned char images[AK4XXX_IMAGE_SIZE];        /* saved register image */
-       unsigned char ipga_gain[AK4XXX_MAX_CHIPS][2];   /* saved register image for IPGA (AK4528) */
+       unsigned int num_adcs;                  /* AK4524 or AK4528 ADCs */
+       unsigned int num_dacs;                  /* AK4524 or AK4528 DACs */
+       unsigned char images[AK4XXX_IMAGE_SIZE]; /* saved register image */
+       unsigned char ipga_gain[AK4XXX_MAX_CHIPS][2]; /* saved register image
+                                                      * for IPGA (AK4528)
+                                                      */
        unsigned long private_value[AK4XXX_MAX_CHIPS];  /* helper for driver */
        void *private_data[AK4XXX_MAX_CHIPS];           /* helper for driver */
        /* template should fill the following fields */
-       unsigned int idx_offset;                        /* control index offset */
+       unsigned int idx_offset;                /* control index offset */
        enum {
                SND_AK4524, SND_AK4528, SND_AK4529,
                SND_AK4355, SND_AK4358, SND_AK4381
        } type;
-       unsigned int *num_stereo;                       /* array of combined counts for the mixer */
-       char **channel_names;                           /* array of mixer channel names */
+       unsigned int *num_stereo;       /* array of combined counts
+                                        * for the mixer
+                                        */
+       char **channel_names;           /* array of mixer channel names */
        struct snd_ak4xxx_ops ops;
 };
 
-void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val);
+void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
+                      unsigned char val);
 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state);
 void snd_akm4xxx_init(struct snd_akm4xxx *ak);
 int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak);
 
-#define snd_akm4xxx_get(ak,chip,reg) (ak)->images[(chip) * 16 + (reg)]
-#define snd_akm4xxx_set(ak,chip,reg,val) ((ak)->images[(chip) * 16 + (reg)] = (val))
-#define snd_akm4xxx_get_ipga(ak,chip,reg) (ak)->ipga_gain[chip][(reg)-4]
-#define snd_akm4xxx_set_ipga(ak,chip,reg,val) ((ak)->ipga_gain[chip][(reg)-4] = (val))
+#define snd_akm4xxx_get(ak,chip,reg) \
+       (ak)->images[(chip) * 16 + (reg)]
+#define snd_akm4xxx_set(ak,chip,reg,val) \
+       ((ak)->images[(chip) * 16 + (reg)] = (val))
+#define snd_akm4xxx_get_ipga(ak,chip,reg) \
+       (ak)->ipga_gain[chip][(reg)-4]
+#define snd_akm4xxx_set_ipga(ak,chip,reg,val) \
+       ((ak)->ipga_gain[chip][(reg)-4] = (val))
 
 #endif /* __SOUND_AK4XXX_ADDA_H */
index f68bd74..dc7cc20 100644 (file)
@@ -34,7 +34,8 @@ MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Takashi Iwai <tiwai@suse.de>");
 MODULE_DESCRIPTION("Routines for control of AK452x / AK43xx  AD/DA converters");
 MODULE_LICENSE("GPL");
 
-void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsigned char val)
+void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg,
+                      unsigned char val)
 {
        ak->ops.lock(ak, chip);
        ak->ops.write(ak, chip, reg, val);
@@ -52,6 +53,67 @@ void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsi
        ak->ops.unlock(ak, chip);
 }
 
+EXPORT_SYMBOL(snd_akm4xxx_write);
+
+/* reset procedure for AK4524 and AK4528 */
+static void ak4524_reset(struct snd_akm4xxx *ak, int state)
+{
+       unsigned int chip;
+       unsigned char reg, maxreg;
+
+       if (ak->type == SND_AK4528)
+               maxreg = 0x06;
+       else
+               maxreg = 0x08;
+       for (chip = 0; chip < ak->num_dacs/2; chip++) {
+               snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
+               if (state)
+                       continue;
+               /* DAC volumes */
+               for (reg = 0x04; reg < maxreg; reg++)
+                       snd_akm4xxx_write(ak, chip, reg,
+                                         snd_akm4xxx_get(ak, chip, reg));
+               if (ak->type == SND_AK4528)
+                       continue;
+               /* IPGA */
+               for (reg = 0x04; reg < 0x06; reg++)
+                       snd_akm4xxx_write(ak, chip, reg,
+                                         snd_akm4xxx_get_ipga(ak, chip, reg));
+       }
+}
+
+/* reset procedure for AK4355 and AK4358 */
+static void ak4355_reset(struct snd_akm4xxx *ak, int state)
+{
+       unsigned char reg;
+
+       if (state) {
+               snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
+               return;
+       }
+       for (reg = 0x00; reg < 0x0b; reg++)
+               if (reg != 0x01)
+                       snd_akm4xxx_write(ak, 0, reg,
+                                         snd_akm4xxx_get(ak, 0, reg));
+       snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
+}
+
+/* reset procedure for AK4381 */
+static void ak4381_reset(struct snd_akm4xxx *ak, int state)
+{
+       unsigned int chip;
+       unsigned char reg;
+
+       for (chip = 0; chip < ak->num_dacs/2; chip++) {
+               snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
+               if (state)
+                       continue;
+               for (reg = 0x01; reg < 0x05; reg++)
+                       snd_akm4xxx_write(ak, chip, reg,
+                                         snd_akm4xxx_get(ak, chip, reg));
+       }
+}
+
 /*
  * reset the AKM codecs
  * @state: 1 = reset codec, 0 = restore the registers
@@ -60,52 +122,26 @@ void snd_akm4xxx_write(struct snd_akm4xxx *ak, int chip, unsigned char reg, unsi
  */
 void snd_akm4xxx_reset(struct snd_akm4xxx *ak, int state)
 {
-       unsigned int chip;
-       unsigned char reg;
-       
        switch (ak->type) {
        case SND_AK4524:
        case SND_AK4528:
-               for (chip = 0; chip < ak->num_dacs/2; chip++) {
-                       snd_akm4xxx_write(ak, chip, 0x01, state ? 0x00 : 0x03);
-                       if (state)
-                               continue;
-                       /* DAC volumes */
-                       for (reg = 0x04; reg < (ak->type == SND_AK4528 ? 0x06 : 0x08); reg++)
-                               snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
-                       if (ak->type == SND_AK4528)
-                               continue;
-                       /* IPGA */
-                       for (reg = 0x04; reg < 0x06; reg++)
-                               snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get_ipga(ak, chip, reg));
-               }
+               ak4524_reset(ak, state);
                break;
        case SND_AK4529:
                /* FIXME: needed for ak4529? */
                break;
        case SND_AK4355:
        case SND_AK4358:
-               if (state) {
-                       snd_akm4xxx_write(ak, 0, 0x01, 0x02); /* reset and soft-mute */
-                       return;
-               }
-               for (reg = 0x00; reg < 0x0b; reg++)
-                       if (reg != 0x01)
-                               snd_akm4xxx_write(ak, 0, reg, snd_akm4xxx_get(ak, 0, reg));
-               snd_akm4xxx_write(ak, 0, 0x01, 0x01); /* un-reset, unmute */
+               ak4355_reset(ak, state);
                break;
        case SND_AK4381:
-               for (chip = 0; chip < ak->num_dacs/2; chip++) {
-                       snd_akm4xxx_write(ak, chip, 0x00, state ? 0x0c : 0x0f);
-                       if (state)
-                               continue;
-                       for (reg = 0x01; reg < 0x05; reg++)
-                               snd_akm4xxx_write(ak, chip, reg, snd_akm4xxx_get(ak, chip, reg));
-               }
+               ak4381_reset(ak, state);
                break;
        }
 }
 
+EXPORT_SYMBOL(snd_akm4xxx_reset);
+
 /*
  * initialize all the ak4xxx chips
  */
@@ -153,7 +189,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
        };
        static unsigned char inits_ak4355[] = {
                0x01, 0x02, /* 1: reset and soft-mute */
-               0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
+               0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
+                            * disable DZF, sharp roll-off, RSTN#=0 */
                0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
                // 0x02, 0x2e, /* quad speed */
                0x03, 0x01, /* 3: de-emphasis off */
@@ -169,7 +206,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
        };
        static unsigned char inits_ak4358[] = {
                0x01, 0x02, /* 1: reset and soft-mute */
-               0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect, disable DZF, sharp roll-off, RSTN#=0 */
+               0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
+                            * disable DZF, sharp roll-off, RSTN#=0 */
                0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
                // 0x02, 0x2e, /* quad speed */
                0x03, 0x01, /* 3: de-emphasis off */
@@ -187,7 +225,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
        };
        static unsigned char inits_ak4381[] = {
                0x00, 0x0c, /* 0: mode3(i2s), disable auto-clock detect */
-               0x01, 0x02, /* 1: de-emphasis off, normal speed, sharp roll-off, DZF off */
+               0x01, 0x02, /* 1: de-emphasis off, normal speed,
+                            * sharp roll-off, DZF off */
                // 0x01, 0x12, /* quad speed */
                0x02, 0x00, /* 2: DZF disabled */
                0x03, 0x00, /* 3: LATT 0 */
@@ -239,12 +278,15 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
        }
 }
 
+EXPORT_SYMBOL(snd_akm4xxx_init);
+
 #define AK_GET_CHIP(val)               (((val) >> 8) & 0xff)
 #define AK_GET_ADDR(val)               ((val) & 0xff)
 #define AK_GET_SHIFT(val)              (((val) >> 16) & 0x7f)
 #define AK_GET_INVERT(val)             (((val) >> 23) & 1)
 #define AK_GET_MASK(val)               (((val) >> 24) & 0xff)
-#define AK_COMPOSE(chip,addr,shift,mask) (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
+#define AK_COMPOSE(chip,addr,shift,mask) \
+       (((chip) << 8) | (addr) | ((shift) << 16) | ((mask) << 24))
 #define AK_INVERT                      (1<<23)
 
 static int snd_akm4xxx_volume_info(struct snd_kcontrol *kcontrol,
@@ -293,7 +335,7 @@ static int snd_akm4xxx_volume_put(struct snd_kcontrol *kcontrol,
 }
 
 static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
-                                  struct snd_ctl_elem_info *uinfo)
+                                         struct snd_ctl_elem_info *uinfo)
 {
        unsigned int mask = AK_GET_MASK(kcontrol->private_value);
 
@@ -305,7 +347,7 @@ static int snd_akm4xxx_stereo_volume_info(struct snd_kcontrol *kcontrol,
 }
 
 static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
-                                 struct snd_ctl_elem_value *ucontrol)
+                                        struct snd_ctl_elem_value *ucontrol)
 {
        struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
        int chip = AK_GET_CHIP(kcontrol->private_value);
@@ -323,7 +365,7 @@ static int snd_akm4xxx_stereo_volume_get(struct snd_kcontrol *kcontrol,
 }
 
 static int snd_akm4xxx_stereo_volume_put(struct snd_kcontrol *kcontrol,
-                                 struct snd_ctl_elem_value *ucontrol)
+                                        struct snd_ctl_elem_value *ucontrol)
 {
        struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
        int chip = AK_GET_CHIP(kcontrol->private_value);
@@ -366,7 +408,8 @@ static int snd_akm4xxx_ipga_gain_get(struct snd_kcontrol *kcontrol,
        struct snd_akm4xxx *ak = snd_kcontrol_chip(kcontrol);
        int chip = AK_GET_CHIP(kcontrol->private_value);
        int addr = AK_GET_ADDR(kcontrol->private_value);
-       ucontrol->value.integer.value[0] = snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
+       ucontrol->value.integer.value[0] =
+               snd_akm4xxx_get_ipga(ak, chip, addr) & 0x7f;
        return 0;
 }
 
@@ -394,7 +437,8 @@ static int snd_akm4xxx_deemphasis_info(struct snd_kcontrol *kcontrol,
        uinfo->value.enumerated.items = 4;
        if (uinfo->value.enumerated.item >= 4)
                uinfo->value.enumerated.item = 3;
-       strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]);
+       strcpy(uinfo->value.enumerated.name,
+              texts[uinfo->value.enumerated.item]);
        return 0;
 }
 
@@ -405,7 +449,8 @@ static int snd_akm4xxx_deemphasis_get(struct snd_kcontrol *kcontrol,
        int chip = AK_GET_CHIP(kcontrol->private_value);
        int addr = AK_GET_ADDR(kcontrol->private_value);
        int shift = AK_GET_SHIFT(kcontrol->private_value);
-       ucontrol->value.enumerated.item[0] = (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
+       ucontrol->value.enumerated.item[0] =
+               (snd_akm4xxx_get(ak, chip, addr) >> shift) & 3;
        return 0;
 }
 
@@ -419,7 +464,8 @@ static int snd_akm4xxx_deemphasis_put(struct snd_kcontrol *kcontrol,
        unsigned char nval = ucontrol->value.enumerated.item[0] & 3;
        int change;
        
-       nval = (nval << shift) | (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
+       nval = (nval << shift) |
+               (snd_akm4xxx_get(ak, chip, addr) & ~(3 << shift));
        change = snd_akm4xxx_get(ak, chip, addr) != nval;
        if (change)
                snd_akm4xxx_write(ak, chip, addr, nval);
@@ -451,7 +497,7 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
                } else {
                        strcpy(ctl->id.name, ak->channel_names[mixer_ch]);
                        num_stereo = ak->num_stereo[mixer_ch];
-                       ctl->id.index = 0; //mixer_ch + ak->idx_offset * 2;
+                       ctl->id.index = 0;
                }
                ctl->id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
                ctl->count = 1;
@@ -466,27 +512,40 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
                }
                switch (ak->type) {
                case SND_AK4524:
-                       ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127); /* register 6 & 7 */
+                       /* register 6 & 7 */
+                       ctl->private_value =
+                               AK_COMPOSE(idx/2, (idx%2) + 6, 0, 127);
                        break;
                case SND_AK4528:
-                       ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
+                       /* register 4 & 5 */
+                       ctl->private_value =
+                               AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
                        break;
                case SND_AK4529: {
-                       int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb; /* registers 2-7 and b,c */
-                       ctl->private_value = AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
+                       /* registers 2-7 and b,c */
+                       int val = idx < 6 ? idx + 2 : (idx - 6) + 0xb;
+                       ctl->private_value =
+                               AK_COMPOSE(0, val, 0, 255) | AK_INVERT;
                        break;
                }
                case SND_AK4355:
-                       ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
+                       /* register 4-9, chip #0 only */
+                       ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255);
                        break;
                case SND_AK4358:
                        if (idx >= 6)
-                               ctl->private_value = AK_COMPOSE(0, idx + 5, 0, 255); /* register 4-9, chip #0 only */
+                               /* register 4-9, chip #0 only */
+                               ctl->private_value =
+                                       AK_COMPOSE(0, idx + 5, 0, 255);
                        else
-                               ctl->private_value = AK_COMPOSE(0, idx + 4, 0, 255); /* register 4-9, chip #0 only */
+                               /* register 4-9, chip #0 only */
+                               ctl->private_value =
+                                       AK_COMPOSE(0, idx + 4, 0, 255);
                        break;
                case SND_AK4381:
-                       ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255); /* register 3 & 4 */
+                       /* register 3 & 4 */
+                       ctl->private_value =
+                               AK_COMPOSE(idx/2, (idx%2) + 3, 0, 255);
                        break;
                default:
                        err = -EINVAL;
@@ -494,7 +553,10 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
                }
 
                ctl->private_data = ak;
-               if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
+               err = snd_ctl_add(ak->card,
+                                 snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
+                                             SNDRV_CTL_ELEM_ACCESS_WRITE));
+               if (err < 0)
                        goto __error;
 
                idx += num_stereo;
@@ -509,9 +571,14 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
                ctl->info = snd_akm4xxx_volume_info;
                ctl->get = snd_akm4xxx_volume_get;
                ctl->put = snd_akm4xxx_volume_put;
-               ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127); /* register 4 & 5 */
+               /* register 4 & 5 */
+               ctl->private_value =
+                       AK_COMPOSE(idx/2, (idx%2) + 4, 0, 127);
                ctl->private_data = ak;
-               if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
+               err = snd_ctl_add(ak->card,
+                                 snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
+                                             SNDRV_CTL_ELEM_ACCESS_WRITE));
+               if (err < 0)
                        goto __error;
 
                memset(ctl, 0, sizeof(*ctl));
@@ -522,9 +589,13 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
                ctl->info = snd_akm4xxx_ipga_gain_info;
                ctl->get = snd_akm4xxx_ipga_gain_get;
                ctl->put = snd_akm4xxx_ipga_gain_put;
-               ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0); /* register 4 & 5 */
+               /* register 4 & 5 */
+               ctl->private_value = AK_COMPOSE(idx/2, (idx%2) + 4, 0, 0);
                ctl->private_data = ak;
-               if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
+               err = snd_ctl_add(ak->card,
+                                 snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
+                                             SNDRV_CTL_ELEM_ACCESS_WRITE));
+               if (err < 0)
                        goto __error;
        }
        if (ak->type == SND_AK4355 || ak->type == SND_AK4358)
@@ -543,11 +614,13 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
                switch (ak->type) {
                case SND_AK4524:
                case SND_AK4528:
-                       ctl->private_value = AK_COMPOSE(idx, 3, 0, 0); /* register 3 */
+                       /* register 3 */
+                       ctl->private_value = AK_COMPOSE(idx, 3, 0, 0);
                        break;
                case SND_AK4529: {
                        int shift = idx == 3 ? 6 : (2 - idx) * 2;
-                       ctl->private_value = AK_COMPOSE(0, 8, shift, 0); /* register 8 with shift */
+                       /* register 8 with shift */
+                       ctl->private_value = AK_COMPOSE(0, 8, shift, 0);
                        break;
                }
                case SND_AK4355:
@@ -559,7 +632,10 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
                        break;
                }
                ctl->private_data = ak;
-               if ((err = snd_ctl_add(ak->card, snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|SNDRV_CTL_ELEM_ACCESS_WRITE))) < 0)
+               err = snd_ctl_add(ak->card,
+                                 snd_ctl_new(ctl, SNDRV_CTL_ELEM_ACCESS_READ|
+                                             SNDRV_CTL_ELEM_ACCESS_WRITE));
+               if (err < 0)
                        goto __error;
        }
        err = 0;
@@ -569,6 +645,8 @@ int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
        return err;
 }
 
+EXPORT_SYMBOL(snd_akm4xxx_build_controls);
+
 static int __init alsa_akm4xxx_module_init(void)
 {
        return 0;
@@ -580,8 +658,3 @@ static void __exit alsa_akm4xxx_module_exit(void)
         
 module_init(alsa_akm4xxx_module_init)
 module_exit(alsa_akm4xxx_module_exit)
-
-EXPORT_SYMBOL(snd_akm4xxx_write);
-EXPORT_SYMBOL(snd_akm4xxx_reset);
-EXPORT_SYMBOL(snd_akm4xxx_init);
-EXPORT_SYMBOL(snd_akm4xxx_build_controls);